H E L I C A L G E A R U N I T S

Transcription

1 ELICAL GEAR NITS

2 Index Description SPECS. 001 ARKETING DATA Date Sheet Page No. Ref. Number 1. Index Design features SELECTION Procedures & Examples 1. orizontal nits S Vertical nits S004 6 RATINGS echanical & Thermal Capacities kw Type Reduction Shafts 1 Single Parallel R , V2 Double Parallel R , V3 Triple Parallel R Quadruple Parallel R B2, VB2 Double Right Angle R B3, VB3 Triple Right Angle R B4 Quadruple Right Angle R DIENSIONS Principal, Shaft & Keyway (mm) 1. orizontal nits Type Reduction Shafts ounting 1 Single Parallel Foot D Double Parallel Foot D SF Double Parallel Foot/Shaft D Triple Parallel Foot D SF Triple Parallel Foot/Shaft D Quadruple Parallel Foot D SF Quadruple Parallel Foot/Shaft D B2 Double Right Angle Foot D B2SF Double Right Angle Foot/Shaft D B3 Triple Right Angle Foot D B3SF Triple Right Angle Foot/Shaft D B4 Quadruple Right Angle Foot D B4SF Quadruple Right Angle Foot/Shaft D otorised All Parallel/Right Foot/Shaft D Vertical nits V2, V2SA, V2CT Double Parallel Foot D V3, V3SA, V3CT Triple Parallel Foot D VB2, VB2SA, VB2CT Double Right Angle Foot D VB3, VB3SA, VB3CT Triple Right Angle Foot D ENGINEERING DATA 1. Output Shaft & Shrink Disc Details E Torque Arm Details E Cooling Coil Connections E old Backs E oment Of Inertia E Exact Ratios Reference Catalogue of E Net Weights r.... E Oil Capacities /s... E

3 Design Features All Types SPECS. 003 Design Features GEARS: igh quality alloy case hardening materials provide long life wear resistance and fatigue strength. Profile ground single helical gears and spiral bevel gears lapped in pairs ensure high standards of accuracy, surface finish and quiet running characteristics. elical gears are fitted in parallel shaft units whilst units with shafts at right angles incorporate spiral bevel and helical gears. BEARINGS: Roller bearings are used throughout. GEAR CASES: Gear cases are of rigid cast iron construction with modern styling. S Fabricated gear cases are available as optional. Inspection covers are provided for viewing gear contacts. Oil level dipsticks, ventilators and drain plugs are fitted. Cases are split in horizontal plain for horizontal gearboxes and in the vertical plain for vertical gearboxes. Gearcase Finish: Internal and external surfaces are painted with linear epoxy primer. External surfaces are finished with alkyde semigloss blue paint. These paints are resistant to dilute acids and alkalis, oils and 0 solvents, sea water and temperatures upto 140 C. External Dimensions: Centre distances are chosen from ISO preferred number series. Shafts extensions and hollow wheelshaft bores are to ISO metric standards. Fastners are metric. Lubrication: In horizontal units, lubrication in most instances is by transfer of oil by gears dipping in the sumps of gear unit bases. Where high pitch line speeds could cause churning of the lubricant, case baffles are fitted as indicated on rating tables. Forced lubrication is necessary where shown and complete systems can be supplied when required. In vertical units, lubrication in most instances is provided by a pump driven from the bottom of the high speed or second motion shaft. The low speed gears dip in the oil bath. In some cases, it is necessary to use a forced lubrication system with a separate oil tank. These are marked in the rating tables. COOLING: Depending on the application, standard gear units are cooled by: Normal heat dissipation by convection from external surfaces. Fans fitted to high speed shafts. Cooling water coil fitted in gear unit base. Fan and cooling coil. Separate oil cooler incorporated in forced lubrication system. SAFT ONTED NITS: Shaft mounted units are of two designs, the first of which is mounted on the driven machine shaft extension and connected to the foundation by torque arm. Additionally foot/ shaft design is available for mounting on a base plate with motor and coupling, the complete assembly being mounted on the driven machine shaft extension and connected to the foundation by a torque arm. OTORISED GEAR NITS: Gear units of double and triple reduction types are available as standard assemblies with flanged motors directly mounted on gear case input shaft housing by adaptors. otor and gear unit shafts are connected by flexible coupling. OLD BACKS: old backs can be fitted to all horizontal, two and three stage gear units, where required to operate in nonreversing drives. They are located on horizontal pinion shaft and have adequate capacities to deal with full rated torque. Lubrication is provided automatically from the oil in the gear unit. Changing the direction of locking rotation is a simple operation. PRESERVATION/ PROTECTION: Premium helical gear units are despatched without oil. Prior to despatch they are test run with a rust preventative oil giving adequate protection to internal parts for a period of 6 months, covering normal transport and covered storage. NOTE: Where gear units are to operate in abnormal condition or where they are to stand for long period without running for e.g. in plant installation, Premium must be notified so that suitable protective arrangements can be made. As improvements in design being made, this specification is not to be regarded as binding in detail and drawings and capacities are subject to alterations without notice. Certified drawings would be sent on request. All units are provided with combined dipsticks and ventilators and drain plugs. Oil capacity are shown on E508. These are approximate as exact quantities vary with ratio. 2

4 Selection Selection Procedure orizontal nits SELECTION S004 1of9 Gearbox Selection for orizontal nits 1. Select Gearbox Type 1.1 Parallel Shafts (helical) or right angle drive (bevel/helical), foot mount, shaft mount with or without foot. Table 1: echanical Service Factors (orizontal & Vertical) Duration Load ClassificationsDriven achine Prime over of service oderate eavy rs.per day niform Shock Shock Electric otor nder Steam Turbine, or 3 to ydraulic otor Over Calculate gearbox ratio = Input Speed Output Speed 2. Select Gearbox Size from echanical Capacity 2.1 Determine type of load from table 3 on page 10 (uniform, moderate shock or heavy shock). ulticylinder Internal Combustion Engine Single Cylinder Internal Combustion Engine nder to Over nder to Over Determine mechanical service factor from table Calculate the required mechanical power capacity (P ) (P ) = absorbed power (kw) x mechanical service factor 2.4 Select gearbox size from rating tables. P must be equal to or less than the mechanical rating of the m m gearbox. 3. Thermal Rating Check 3.1 Thermal ratings are given for the following four cases : m Table 2 : Thermal Service Factors (orizontal & Vertical) for ambient temperature and duration of operation. Type Ambient Running Time in any hour of Temperature Cooling 0 C 100% 80% 60% 40% 20% Gearboxes without additional Cooling Gearbox without additional cooling. Gearbox fitted with fan. Gearbox fitted with cooling water coil. Gearbox fitted with fan and coil. 3.2 Determine the thermal service factor from table Calculate the required thermal power capacity (P t) (P ) = absorbed power (kw) thermal service factor. t 3.4 Specify the type of cooling required by referring to thermal rating tables. Pt must be equal to or less than the thermal capacity of the gearbox. Gearboxes with Fans Gearboxes with Cooling Coils(1) Additional Catalogue Information Gearbox overload capacity at start. 2.5 x mechanical rating, 5 times per day or, 2 x mechanical rating, 5 times per hour. 2. Intermittent duty. igher power than catalogue mechanical ratings can be transmitted on very intermittent operation within the finite life of the gears. Consult us with specific application details. Gearboxes with Fans and Cooling Coils (1) (1) Based on Cooling Water Temperature 20 C. 3

5 Selection ow to Order, Selection Examples SELECTION S004 2of9 ow to orderinformation required when ordering standard gear units. Prime over 1. Type electric motor or engine, for example 4 cylinder internal combustion engine. 2. Power rating in kw. 3. Output speed. If variable, indicate speed range and frequency of variation. 4. Dimensions of prime mover. Driven achine. 1. Type, for example, kiln, conveyor, etc. 2. Power rating in kw. 3. Speed. 4. Service hours per day, running time in any hour, details of reversals if applicable, type of loading, ambient temperature, etc. Gear nit 1. Type, for example, Size, for example, Ratio. 4. Shaft handing. Refer to dimension pages and quote reference. 5. Direction of rotation (for units with right angle shafts refer to handing diagrams on dimension pages). If holdback arrangement is to be fitted, please indicate the direction of rotation of low speed shaft looking towards it. Shaft Connections 1. Couplings. Quote shaft diameters with tolerances or coupling bores. 2. Details of overhung loads, including diameter and type of sheave, sprocket or pinion and any thrust loads. Shaft mounted units for igh Inertia Drive When used on Traverse drives with high inertia driven loads, e.g. crane drives (slewing, long travel and cross travel) bogie drives and selected high inertia load roller table drives, it is recommended that shaft mounted units should be fitted with shock absorbing Torque Arms. Consult us with specific application details. Selection Examples: Example1 A foot mounted parallel shaft reducer is to be directly coupled to a 750kW, 1500 rpm motor. The output shaft is to rotate at 365 rpm and is coupled to a large industrial fan which absorbs 725 kw on 0 24 hours/ day service. The maximum ambient temperture is 30 C. Selection 1. Gearbox Type 1.1. Parallel shaft type is specified type Ratio = 1500 = 4.11, type 1 (single reduction) echanical Capacity 2.1 From table 3 on page 10 the application is moderate shock. 2.2 From table 1 on page 3 the service factor is The required mechanical capacity = 1.5 x 725 = 1088 kw. 2.4 nder mechanical rating a unit size 315, normal ratio 4.13, has a capacity of 1293 kw 3. Thermal Rating Check 3.1 From table 2 on page 3 the thermal service factor for 0 30 C ambient temperature and 100% running time is 0.9 for a unit with fan cooling (reference to the thermal ratings shows that at least fan cooling is required.) 3.2 The required thermal capacity = = nder thermal ratings, fan cooled, a size 315 has a capacity of 918 kw at 1500 rpm, ratio Check that the exact ratio is satisfactory from E Order a gearbox type 1315 exact ratio 4.15 with cooling fans fitted. Example 2 A shaft mounted gear unit with right angle shafts is required to drive a belt conveyor running 24 hours/day at 80rpm. The unit must have feet for the attachment of a motor mounting baseplate. The motor is 500 kw at 1500 rpm and the absorbed power at the conveyor 0 headshaft is 465 kw. The ambient temperature on site is 20 C. Selection 1. Gearbox Type 1.1 Foot shaft mounted unit with right angle shafts. 1.2 Ratio = 1500 = 18.8, type B2SF or B3SF could be used echanical Capacity 2.1 From table 3 on page 10 the application is uniform load. 2.2 From table 1 on page 3 the service factor is The required mechanical capacity = 1.25 x 465 = 581kW. 2.4 nder mechanical ratings a unit size B3SF 400, nominal ratio 18.9, has a capacity of 620 kw. The double reduction type B2SF 400 ratio 18.9 has insufficient mechanical capacity. 3. Thermal Rating Check From table 2 on page 3 the thermal service factor for 20 C ambient temperature and 100% running time is The required thermal capacity = = 465 kw. 3.3 nder thermal ratings, fan cooled, a size 400 at 1500 rpm has a capacity of 484 kw. 4. Check that the exact ratio is satisfactory from E Order a gearbox type B3SF 400, exact ratio with cooling fans fitted. 4

6 Selection Overhung Loads / Axial Thrust Loads orizontal nits SELECTION S004 3of9 Whenever a sprocket, gear, sheave or pulley is mounted on the shaft, a calculation should be made to determine the overhung load in kn on the shaft, using the formula : Table 4 : Permissible Overhung Load on Low Speed Shaft ( kn) (orizontal nits) P = kw x 9545 x K NxR Direction Output Types 23B2B3 of Speed nit Size Load (rpm) Where P = equivalent overhung load in kn. kw = power carried by the shaft, N = rpm of the shaft R = pitch radius of sprocket, pinion, sheave or pulley (mm). K = factor > Overhung member K factor Sprocket for chain 1 Spur gear 1.25 V belt sheave 1.5 Flat belt pulley > > Notes : 1. Values are calculated for the most unfavourable direction of rotation. Consult us with specific application details. 2. Overhung load values are for loads applied midway along shaft extension. 3. For overhung load and axial thrust values for larger sizes consult us. Table 5 : Permissible Overhung Load on igh Speed Shaft at 1500rpm (kn) (orizontal nits) Type of nit Size nit SF 33SF B2B2SF B3B3SF Table 6 : Permissible Axial Thrust on Low Speed Shaft ( kn) ( orizontal nits) Output Types 23B2B3 Speed nit Size (rpm) and Below

7 Selection Selection Procedure & Examples Vertical nits SELECTION S004 4of9 Gearbox Selection for Vertical nits 1. Select Gearbox Type 1.1 Parallel shafts (helical) or right angle drive (bevel/helical), foot mount, shaft mount with or without foot. Input speed 1.2 Calculate gearbox ratio = Output speed 2. Select Gearbox Size from echanical Capacity 2.1 Determine type of load from table 3 on page 10. (niform, moderate shock or heavy shock). 2.2 Determine mechanical service factor from table 1 on page Calculate the required mechanical power capacity (P m) P m = absorbed power (kw) x mechanical service factor 2.4 Select gearbox size from rating tables Pm must be equal to or less than the mechanical rating of the gearbox. 3. Thermal Rating Check 3.1 Thermal ratings are given for the following two cases: Gearbox without additional cooling. Gearbox fitted with fan 3.2 Determine the thermal service factor from table 2 on page Calculate the required thermal power capacity (P ). (P ) = absorbed power (kw) thermal service factor. t 3.4 Specify the type of cooling required by referring to thermal rating tables. Pt must be equal to or less than the thermal capacity of the gearbox. 4. Axial Thrust Capacity Check Values are given in tables 7 and 8, page 7 for Standard nits, eavy Duty Stirrer Drives type SA and Cooling Tower Drives type CT 5. Overhung Load Capacity Check Values are given in table 9 and 10, page 8 for Standard nits and eavy Duty Stirrer Drives. 6. Bending oment Capacity Check Values are given in tables 12 and 13, page 9 for Standard nits and eavy Duty Stirrer Drives, type SA. Additional Catalogue Information 1. Gearbox overload capacity at start. 2.5 x mechanical rating, 5 times per day, or 2 x mechanical rating, 5 times per hour. 2. Intermittent duty. igher power than catalogue mechanical ratings can be transmitted on very intermittent operation within the finite life of the gears. Consult us with specific application details. t Example 1 A gearbox is required to transmit power continuously from a horizontal foot mounted motor to a cooling tower fan, which is to be mounted directly on the output shaft and above the gearbox. The motor power is 250 kw and 1450 rpm and the fan speed is rpm. The maximum ambient temperature is 30 C. The fan imparts an axial thrust of 17 kn to the gearbox output shaft. It is necessary to have added clearance for the fan, so a CT type is preferred. Selection 1. Gearbox Type 1.1 Right angle shafts type VB 1.2 Ratio = 1450 = 7.59 type VB2 CT 191 (double reduction) 2. echanical Capacity 2.1 From table 1 on page 3 the required service factor is The required mechanical capacity = 1.75 x 250 = kw 2.3 On page 21, under mechanical ratings, a unit size 315, norminal ratio 7.59 has a capacity of 526 kw at 1450 rpm input 3. Thermal Rating Check 3.1 From table 2 on page 3 the thermal service factor for 0 30 C ambient temperature and 100% running time is The required thermal capacity = = kw. 3.3 On page 21, under thermal ratings, fan cooled, a size 315 unit has a capacity of 402 kw at 1450 rpm, ratio Axial Thrust Capacity Check 4.1 From table 7 on page 7 the allowable axial thrust limited by the cover bolts is 47.7 kn 4.2 From table 8 on page 7 the allowable axial thrust limited by bearing life is 39.3 kn at 200 rpm output shaft speed. The bearing life is more than 1,00,000 hours L Check exact ratio on page Order a gearbox type VB2315 CT, exact ratio with cooling fan fitted. 6

8 Selection Axial Thrust Loads Vertical nits SELECTION S004 5of9 Table 8 : Axial Thrust Capacity (kn) Allowable thrust on output shaft, limited by BEARING LIFE (10000 RS L10)* Standard nits Output Speed V1V2V3VB2VB3 nit Size rpm Table 7 Axial Thrust Capacity (kn) Allowable thrust on output shaft, limited by COVER BOLT STRESS < < , Standard nits V1V2V3VB2VB3 nit Size eavy Duty Stirrer Drives V1 SA V2 SA V3 SA VB2 SA VB3 SA Output Speed nit Size rpm eavy Duty Stirrer Drives V1 SA V2 SA V3 SA VB2 SA VB3 SA nit Size < < Cooling Tower Drives V1 CT V2 CT V3 CT VB2 CT VB3 CT nit Size Cooling Tower Drives V1 CT V2 CT V3 CT VB2 CT VB3 CT Output Speed nit Size rpm Note : The values in table 7 are calculated for the most adverse direction of rotation. For the opposite rotation they can be increased by at least 50%. Consult PREI for an analysis where necessary < < * For other lives multiply values by the factors in table 11 page 9 Note : Values are based on the most unfavourable direction of rotation. igher values may be permitted after analysis by PREI. 7

9 Selection Overhung Loads Vertical nits SELECTION S004 6of9 Table 9 : Permissible Overhung Loads On igh Speed Shaft at 1450 rpm (kn) nit Types V2V2 SAV2 CT Size of nit nit Types V3V3 SAV3 CT Size of nit Overhung ember K Factor Sprocket for Chain 1 Spur Gear 1.25 nit Types VB2VB2 SAVB2 CT Size of nit V belt sheave 1.5 Flat belt pulley Whenever a sprocket, gear, sheave or pulley is mounted on the shaft, a calculation should be made to determine the overhung load in kn on the shaft, using the formula: nit Types VB3VB3 SAVB3 CT Size of nit P= kw x 9545 x K NxR Table 10 : Permissible Overhung Loads On Low Speed Shafts (kn) Where P = equivalent overhung load in kn, kw = power carried by the shaft, N = rpm of the shaft, R = pitch radius of sprocket, pinion, sheave or pulley(mm) K = factor. Notes : 1. Values are calculated for the most unfavourable direction of rotation. Consult PREI for a detailed analysis in critical selections. 2. Overhung load values are for loads applied midway along shaft extension. Standard nits V1 V2 V3 VB2 VB3 Output Size of nit Speed rpm < 31.5 eavy Duty Stirrer Drives V1 SA V2 SA V3 SA VB2 SA VB3 SA Output Size of nit Speed rpm <

10 Selection Standard and eavy Duty Vertical nits SELECTION S004 7of9 To calculate the Bending oment on the gearbox output shaft using the method recommended in The Engineering Equipment sers Association andbook No.9 : Bending oment = Absorbed Power (kw) x 9.5 x L = knm Shaft Speed x 0.75 R The above information is given for guidance. Where more precise bending moment values are available they should be used. Check the Bending oment Capacity of the Gearbox Standard units and the eavy Duty SA type are both suitable for supporting a paddle directly coupled to the gearbox output shaft and for accepting the bending moments and axial thrusts generated from the forces at the paddle. The SA type unit has an enlarged output shaft, extended bearing span and bigger bearings to accept higher loads than the standard unit. Check the standard unit first and, if this has insufficient capacity, use the SA type. Check the Bending oment Capacity limited by shaft stress, using Table 12. Output Torque (Nm) R metres L metres Check the Bending oment Capacity limited by bearing life, using Table 13. Note : Bearing Capacities are based on 10,000 hours, L10 life. For other bearing lives multiply the values in Table 13 by the factors in Table 11. 3/4 R P (kn) Table 12 : Bending oment Capacity (knm) Allowable Bending oment at output shaft lower bearing, limited by SAFT STRESS. Standard nits V1V2V3VB2VB3 Size of nit eavy Duty Stirrer Drives V1 SAV2 SAV3 SAVB2 SAVB3 SA Size of nit Table 11 Bearing Life Factors Required Life (ours) Factor Table 13 : Bending oment Capacity (knm) Allowable Bending oment at output shaft lower bearing, limited by BEARING LIFE (10,000 rs L10)* Standard nits V1 V2 V3 VB2 VB3 Output Size of nit Speed rpm < eavy Duty Stirrer Drives V1 SA V2 SA V3 SA VB2 SA VB3 SA Output Size of nit Speed rpm < * For other lives multiply values by the factors in table 11. 9

11 Selection Load Classification by Application SELECTION S004 8of9 Table 3 Driven machine Type of Load Driven machine Type of Load Driven machine Type of Load Agitators pure liquids liquids and solids liquidsvariable density Blowers centrifugal lobe vane Brewing and distilling bottling machinery brew kettlescontinuous duty cookerscontinuous duty mash tubescontinuous duty scale hopperfrequent starts Can filling machines Cane knives Car dumpers Car pullers Clarifiers Clay working machinery brick press briquette machine clay working machinery pug mill Compressors centrifugal lobe reciprocating multicylinder Singlecylinder Conveyors uniformly loaded or fed apron assembly belt bucket chain flight oven screw Conveyorsheavy duty not uniformly led apron assembly belt bucket chain flight live roll Oven fight live roll oven reciprocating screw shaker Cranes main hoists bridge travel trolley travel Dredges cable reels conveyors cutter head drives jig drives manoeuvring winches pumps screen drive stackers utility winches Dry dock cranes main hoist auxillary hoist boom, luffing rotating, swing or slew + tracking, drive wheels ++ Elevators/ bucketuniform load bucketheavy load bucketcontinuous centrifugal discharge escalators freight gravity discharge man lifts passenger Fans centrifugal cooling towers induced draft forced draft induced draft large, mine, etc. large, industrial light, small diameter Feeders apron belt disc reciprocating Screw Food industry beef slicer cereal cooker dough mixer meat grinders Generatorsnot welding ammer mills oists heavy duty medium duty Skip hoist Laundry washers reversing Laundry tumblers Line shafts driving processing equipment light other line shafts Lumber Industry barkershydraulic mechanical burner conveyor chain saw and drag saw chain transfer craneway transfer debarking drum edger feed gang feed green chain live rolls log deck log haulincline log haulwell type log turning device main log conveyor off bearing rolls planer feed chains planer floor chains planer tilting hoist resaw merrygoround conveyor roll cases slab conveyor 10

12 Selection Load Classification by Application SELECTION S004 9of9 Driven achine Type of Load Driven achine Type of Load Driven achine Type of Load Small waste conveyorbelt Small waste conveyorchain Sorting table Triple hoist conveyor Triple hoist drive Transfer conveyor Transfer rolls Tray drive Trimmer feed Waste conveyor achine tools Bending roll Punch pressgear driven Notching pressbelt driven Plate planners Tapping machine Other machine tools ain drives Auxiliary drives etal mills Draw bench carriage and main drive Pinch, dryer and scrubber Rollreversing Slitters Table conveyors nonreversing Group drives Individual drives Reversing Wire drawing and flattening machine Wire winding machine illsrotary type Ball* Cement kilns* Dryers and coolers* Kilns, other than cement Pebble* Rod* Plain Wedge bar Tumbling barrels ixer Concrete mixerscontinuous Concrete mixersintemittent Constant density Variable density Oil Industry Chillers Oil well pumping Paraffin filter press Rotary kilns Pager mills Agitators, (mixer) Barkerauxiliarieshydraulic Barkermechanical Barker drum Beater and pulper Bleacher Calenders Calendarssuper converting achine except cutters, platers Conveyors Couch Cuttersplates Cylinders Dryers Felt stretcher Felt whipper Jordans Log haul Presses Pulp machine reel Stock chest Suction roll Washers and thickeners Winders Printing presses Pullers Barge haul Pumps Centrifugal Proportioning Reciprocating Single acting: 3 or more cylinders Double acting : 2 or more cylinders Single acting : 1 or 2 cylinders Doubling acting : single cylinders Rotary Gear type Lobe, vane Rubber and plastics industries Crackers Laboratory equipment ixed mills* Refiners* Rubber calenders* Rubber mill 2 on line* Rubber mill 3 on line* Sheeter*` Tire building machines Tire and tube press openers tubers and stainers* Warming mills* Sand muller Sewage disposal equipment Bar screens Chemical feeders Collectors Dewatering screws Scrum breakers Slow or rapid mixers Thickeners Vacuum filters Screen Air washing Rotarystone or gravel Travelling water intake Slab pushers Steering gear Stokers Sugar industry Cane knives Crushers ills* Textile industry Batchers Calenders Cards Dry cans Dryers Dyeing machinery Knitting machines Looms angles Nappers Pads Range drives Slashers Soapers Spinners Tenter frames Washers Winders Windlass = niform load = oderate shock load = eavy shock load = Refer to PREI * 24 hours / day Service Factor Only se 1.00 Service Factor + se 1.25 Service Factor ++ se 1.50 Service Factor 11

13 Type 1 Single Reduction nits Parallel Shafts echanical & Thermal Capacities kw ECANICAL CAPACITIES (kw) RATINGS R115 1of2 Nominal Input Nominal nit Size Ratio Speed Output rpm Speed rpm * 5514* * * For igher Size nits refer to PREI Nominal Ratios are shown. Interpolate for other input speeds. A case baffle is fitted where rating is shown in colour. * Forced lubrication is necessary. TERAL CAPACITIES (kw) Nominal Input nit Size Ratio Speed rpm nits without fan To To To nits with Fan Cooling To To To Full Load Efficiency 98.5% (approx.) 13

14 Type 1 Single Reduction nits Parallel Shafts echanical & Thermal Capacities kw RATINGS R115 2of2 ECANICAL CAPACITIES (kw) Nominal Input Nominal nit Size Ratio Speed Output rpm Speed rpm For igher Size nits refer to PREI Nominal Ratios are shown. Interpolate for other input speeds. A case baffle is fitted where rating is shown in colour. TERAL CAPACITIES (kw) Nominal Input nit Size Ratio Speed rpm nits with Cooling Coils To To To nits with Fan and Cooling Coils To To To Full Load Efficiency 98.5% (approx.) Based on cooling water temperature 20 0 C

15 Type 22SFV2V2 SAV2 CT Double Reduction nits Parallel Shafts echanical and Thermal Capacities kw RATINGS R215 1of2 ECANICAL CAPACITIES (kw) Nominal Input Nominal nit Size Ratio Speed Output rpm Speed rpm * * * * * REFER TO PREI For capacities higher than above refer to PREI Nominal ratios are shown. Interpolate for other input speeds. A case baffle is fitted where rating is shown in colour. * Forced lubrication system required for Vertical nits. Thermal Capacities (kw) For sizes 500 & above igher rating possible with spl. Design refer PREI Nominal Input nit Size Ratio Speed rpm nits Without Fan Cooling (orizontal & Vertical) To To nits With Fan Cooling (orizontal) To To nits With Fan Cooling (Vertical) To REFER TO PREI To Full Load Efficiency 98% (approx.) REFER TO PREI 15

16 Type 2 2SFV2V2 SAV2 CT Double Reduction nits Parallel Shafts echanical and Thermal Capacities kw ECANICAL CAPACITIES (kw) Nominal Input Nominal nit Size Ratio Speed Output rpm Speed rpm RATINGS R215 2of For capacities higher than above refer to PREI Nominal ratios are shown. Interpolate for other input speeds. REFER TO PREI Thermal Capacities (kw) Nominal Input nit Size Ratio Speed rpm nits With Cooling Coils ( orizontal) To To nits With Fan and Cooling Coils ( orizontal) To To Full Load Efficiency 98% (approx.) 0 Based on cooling water temperature 20 C Cooling Coil not available for vertical units. 16

17 Type 33SFV3V3 SAV3 CT Triple Reduction nits Parallel Shafts echanical and Thermal Capacities kw ECANICAL CAPACITIES (kw) RATINGS R315 1of2 Nominal Input Nominal nit Size Ratio Speed Output rpm Speed rpm REFER TO R TYPES 2 2SF REFER TO PREI For higher SIZES refer to PREI Nominal ratios are shown. Interpolate for other input speeds. Thermal Capacities (kw) Nominal Input nit Size Ratio Speed rpm nits without Fan (orizontal & Vertical) To To nits With Fan Cooling (orizontal) To Full Load Efficiency 97.5% (approx.) 17

18 Type 33SFV3V3 SAV3 CT Triple Reduction nits Parallel Shafts echanical and Thermal Capacities kw ECANICAL CAPACITIES (kw) RATINGS R315 2of2 Nominal Input Nominal nit Size Ratio Speed Output rpm Speed rpm For higher SIZES refer to PREI Nominal ratios are shown. Interpolate for other input speeds. REFER TO PREI Thermal Capacities (kw) Nominal Input nit Size Ratio Speed rpm nits with Cooling Coils To To nits with Fan and Cooling Coils To Full Load Efficiency 97.5% (approx.) 0 Based on cooling water temperature 20 C Cooling Coil not available for vertical units. 18

19 Type 44SF Quadruple Reduction nits Parallel Shafts echanical and Thermal Capacities kw ECANICAL CAPACITIES (kw) RATINGS R 415 1of2 Nominal Input Nominal nit Size Ratio Speed Output rpm Speed rpm REFER TO PREI For higher SIZES refer to PREI Nominal ratios are shown. Interpolate for other input speeds. TERAL CAPACITIES (KW) Nominal Input Ratio Speed nit Size rpm nits without Fan To Full Load Efficiency 97.5% (approx.) 19

20 Type 44SF Quadruple Reduction nits Parallel Shafts echanical and Thermal Capacities kw ECANICAL CAPACITIES (kw) RATINGS R 415 2of2 Nominal Input Nominal nit Size Ratio Speed Output rpm Speed rpm REFER TO PREI For higher SIZES refer to PREI Full Load Efficiency 96.5% (approx.) 20

21 Type B2B2SFVB2VB2 SAVB2 CT Double Reduction nits Right Angle Shafts echanical and Thermal Capacities kw ECANICAL CAPACITIES (kw) RATINGS R225 1of2 Nominal Input Nominal nit Size Ratio Speed Output rpm Speed * 1117* 1666* 2048* * 1117* 1614* 2048* * 1117* 1479* 2048* * 1417* 2048* * 1862* REFER TO PREI * For higher SIZES refer to PREI Nominal ratios are shown. Interpolate for other input speeds. * Forced lubrication is necessary. TERAL CAPACITIES (kw) Nominal Ratio Input Speed nit Size rpm nits Without Fan (orizontal & Vertical types ) To To nits With Fan Cooling (orizontal) To To REFER TO PREI REFER TO PREI nits With Fan Cooling (Vertical) To To REFER TO PREI Full Load Efficiency 97.5% (approx.) 21

22 Type B2B2SFVB2VB2 SAVB2 CT Double Reduction nits Right Angle Shafts echanical and Thermal Capacities kw ECANICAL CAPACITIES (kw) RATINGS R225 2of2 Nominal Input Nominal nit Size Ratio Speed Output rpm Speed REFER TO PREI For higher SIZES refer to PREI Nominal ratios are shown. Interpolate for other input speeds. TERAL CAPACITIES (kw) Nominal Input nit Size Ratio Speed rpm nits With Cooling Coils (orizontal) To To REFER TO PREI nits With Fan Cooling and Cooling Coils (orizontal) To To Full Load Efficiency 97.5% (approx.) 0 Based on cooling water temperature 20 C Cooling Coil not available for vertical units. REFER TO PREI 22

23 Type B3B3 SFVB3VB3 SAVB3 CT Triple Reduction nits Right Angle Shafts echanical and Thermal Capacities kw RATINGS R325 1of2 ECANICAL CAPACITIES (kw) Nominal Input Nominal nit Size Ratio Speed Output rpm Speed * 2958* * 1968* 2541* * * * 2162* 2958* * 1968* 2541* * 2162* 2958* * 1968* 2541* * 2110* 2958* * 1968* 2541* * 1903* 2545* * 2250* * 2145* * 1417* 2069* * 1979* * 1303* 1903* * * 1200* 1748* * 1127* 1531* For higher SIZES refer to Nominal ratios are shown. PREI TERAL CAPACITIES (KW) Nominal Input nit Size Ratio Speed rpm nits without Fan (orizontal & Vertical) To nits With Fan Cooling (orizontal) To nits with Fan Cooling (Vertical) Interpolate for other input speeds. * Forced lubrication is necessary To * REFER TO PREI Full Load Efficiency 97% (approx) 23

24 Type B3B3SFVB3VB3 SAVB3 CT Triple Reduction nits Right Angle Shafts echanical and Thermal Capacities kw RATINGS R325 2of2 ECANICAL CAPACITIES (kw) Nominal Input Nominal nit Size Ratio Speed Output rpm Speed * 1396* * REFER TO PREI For higher sizes refer to PREI Nominal ratios are shown. Interpolate for other input speeds. * Forced Lubrication is necessary. Thermal Capacities (kw) Nominal Input nit Size Ratio Speed rpm nits with Cooling Coils To To nits With Fan Cooling and Cooling Coils To Full Load Efficiency 97% (approx.) 0 Based on cooling water temperature 20 C Cooling Coil not available for vertical units. 24

25 Type B4B4SF Quadruple Reduction nits Right Angle Shafts echanical & Thermal Capacities RATINGS R425 1of2 ECANICAL CAPACITIES (kw) Nominal Input Nominal nit Size Ratio Speed Output rpm Speed rpm REFER TO PREI For higher sizes refer to PREI Nominal ratios are shown. Interpolate for other input speeds. Thermal Capacities (kw) Nominal Input nit Size Ratio Speed rpm nits without Fan To Full Load Efficiency 97.5% (approx.) 25

26 Type B4B4SF Quadruple Reduction nits Right Angle Shafts echanical & Thermal Capacities RATINGS R425 2of2 ECANICAL CAPACITIES (kw) Nominal Input Nominal nit Size Ratio Speed Output rpm Speed REFER TO PREI For higher sizes refer to PREI Full Load Efficiency 96.5% (approx.) 26

27 Type 1Foot ounted nits Single Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D110 1of2 Shaft anding / Rotation B A N Dipstick/ventilator W P1 Q W1 1 E Vø V1ø 2 T D Rø holes for Sø bolts J K L Drainplugsize500 Drain plug size F G 1 F 3 W nit without fans P F1 4 F1 Opposite Rotation Available V3 nit with fans nit Size A B D E F F1 G J K L N P nit Size P1 Q R S T 1 V V1 V3 W W X x x x x x x x x x x x See sheet 2 of D110 for shaft and keyway details. 27

28 Type 1Foot ounted nits Single Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D110 2of2 3 W3 Y1 3 W2 Y V4ø W øv V5ø Input Shaft W1 øv1 Output Shaft Input Shafts Output Shafts nit Size V V4 W W2 Y Z V1 V5 W1 W3 Y1 Z x x x x x x x x x x x x x x x x x x x x x x x x

29 Type 2Foot ounted nits Double Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D210 1of2 Shaft anding / Rotation B A1 A N Dipstick/ventilator W P1 Q W1 1 E Vø V1ø T D 2 Rø holes for Sø bolts L K2 K1 K J Drain plug sizes Drain plug sizes G F F nit without fans W 3 P F1 4 F1 Opposite Rotation Available V3 V4 nit with fans nit Size A A1 B D E F F1 G J K K1 K2 L N P nit Size P1 Q R S T 1 V V1 V3 V4 W W x x x x x x x x x x x x x x x See Sheet 2 of D210 for shaft and keyway details. Sizes 200 to 315 have 4 facings. sizes 355 to 500 have 6 facings and sizes 560 to 710 have 8. Ventilator is located on top cover, sizes 500 to 710 E is over ventilator on these sizes and dipstick position is as shown. Refer sheet 2 of D210 Refer sheet 2 of D210 29

30 Type 2Foot ounted nits Double Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D210 2of2 3 W3 Y1 3 W2 Y V4ø W øv V5ø Input Shaft W1 Output Shaft øv1 Input Shafts DetailRatios 11.4/1 to 25.6/1 nit Size V V4 W W2 Y Z x x x x x x x x x x x x x x x Output Shafts V1 V5 W1 W3 Y1 Z x x x x x x x x x x x x x x x Input Shaft Details Ratios 5.6/1 to 10.3/1 nit Size V V4 W W2 Y Z x x x x x x x

31 Type 2SFFoot/Shaft ounted nits Double Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D212 1of2 B N W P1 A1 A Dipstick/ventilator Shaft anding / Rotation E V1ø V2ø 1 T D 2 Rø holes for Sø bolts Vø K2 J L K1 K Drain plug Sizes Drain plug Sizes G F F nit without fans W W1 X X Opposite Rotation Available P F1 Q Z Z F1 X X1ø X2ø V3 V4 nit with fans Output Bore Sizes 160 & 140 only nit Size A A1 B D E F F1 G J K K1 K2 L N P nitsize P1 Q R S T 1 V V1 V2 V3 V6 W W1 X X1 X2 Z x X x x x x x x x x x x x x x Refer sheet 2 of D212 See Sheet 2 of D212 for shaft and keyway details. Sizes 200 to 315 have 4 facings. Sizes 355 to 500 have 6 facings and sizes 560 to 710 have 8. Ventilator is located on top cover for sizes 500 to 710. E is over ventilator these sizes and dipstick position is as shown. Refer sheet 2 of D212 31

32 Type 2SFFoot/Shaft ounted nits Double Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D212 2of2 3 W2 Y V1ø V2ø V4ø Y1 W øv Input Shaft X1ø X2ø Z1 X2ø Output Sleeve Bores Sizes 160 & 140 only Input Shaft Details Ratios 11.4/1 to 25.6/1 Output Sleeve Bores nit Size V V4 W W2 Y Z V1 V2 X1 X2 Z1 Y x x x x x x x x x x x X x x x Input Shaft Details Ratios 5.6/1 to 10.3/1 only nit Size V V4 W W2 Y Z x x x x x x x

33 Type 3Foot ounted nits Triple Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D310 1of2 Sizes B A1 A N Dipstick/ ventilattor W P F1 F1 Q W1 Sizes & Sizes B N A2 A1 A Ventilator Dipstick E E A2 D1 T D Vø V1ø T Drain plug D Rø holes for Sø bolts L K J Drain plug 1 F G F 1 Rø holes for Sø bolts K1 L K1 J Drain plug Size W P1 nit without fans shown in colour Shaft anding/rotation F1* V3* V4* * Sizes unit without fan * Sizes unit with one fan * Sizes unit with two fans nit Size N P P1 Q R S T 1 V V1 V3* V4* W W x x x x x x X X x x x x x x x * Fan can be fitted for ratios 20.9 to 70.6 only. See Sheet 2 of D310 for shaft and keyway details. Ventilator is located on top cover, sizes 500 to 710. E is over ventilator on these sizes nit Size A A1 A2 B D D1 E F F1* G J K K1 L Refer sheet 2 of D310 Refer sheet 2 of D310 Sizes 140 to 315 have 4 facings. sizes 355 to 450 have 6 facings and sizes 500 to 710 have 8 33

34 Type 3Foot ounted nits Triple Reduction Parallel Shafts Principal Dimensions (mm) 3 W3 DIENSIONS D310 2of2 Y1 3 W2 Y V4ø W øv V5ø Input Shaft W1 øv1 Input Shaft Output Shaft 180 Input Shaft Details Ratios 52.1 to x x x x18 8x18 16x32 16x32 16x32 16x32 24x50 24x50 24X50 24x50 30x x Output Shafts nit Size V V4 W W2 Y Z V1 V5 W1 W3 Y1 Z x x x x x x x x x x x x x x x Input Shaft Details Ratios 25.6 to 47.1 nit Size V V4 W W2 Y Z x x x x x x x x x

35 Type 3SFFoot/Shaft ounted nits Triple Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D312 1of2 Sizes Sizes & B A1 A N Dipstick/ ventilator W P F1 F1 B A2 A1 A N Ventilator Dipstick E E A2 D1 T D V1ø V2ø T D Drain plug Sizes Rø holes for Sø bolts W Vø J K L Drain plug W1 1 F G F 1 nit without fans shown in colour Rø holes for Sø bolts K1 J Shaft anding/rotation L K1 Drain plug Sizes X X P1 Q Z Z F1* V3* V4* X * Sizes unit without fan * Sizes unit with one fan * Sizes unit with two fans Output Bore Sizes 160 & 140 only nit Size A A1 A2 B D D1 E F F1* G J K K1 L N X1ø X2ø nit Size P P1 Q R S T 1 V V1 V2 V3* V4* W W1 X X1 X2 Z x x x x x x x x x x x x x x x * Fan can be fitted for ratios 20.9 to 70.6 only. See Sheet 2 of D312 for shaft and keyway details. Ventilator is located on top cover, sizes 500 to 710. E is over ventilator on these sizes Refer sheet 2 of D312 Refer sheet 2 of D312 Sizes 140 to 315 have 4 facings. sizes 355 to 450 have 6 facings and sizes 500 to 710 have 8 35

36 Type 3SFFoot/Shaft ounted nits Triple Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D312 2of2 3 W2 Y V1ø V2ø V4ø Y1 W øv Input Shaft X1ø X2ø X2ø Z Input Shafts Details 52.1 to 130 6x x x x x x x x x x x X x x x Output Sleeve Bores Input Shaft Details Ratios 25.6 to 47.1 nit Size V V4 W W2 Y Z Sizes 160 & 140 only Output Sleeve Bores nit Size V V4 W W2 Y Z V1 V2 X1 X2 N x x x x x x x x x

37 Type 4Foot ounted nits Quadruple Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D410 1of2 Shaft anding/rotation B A2 A1 A N Dipstick Ventilator Q W1 1 E Vø V1ø D1 T D 1 1 G 2 Rø holes for Sø bolts K1 J K L Drain Plug F F nit without fans 3 W P1 4 Opposite Rotation Available nit Size A A1 A2 B D D1 E F G J K K1 L nit Size N P1 Q R S T 1 V V1 W W x x x x x x x x x x x x x x x See Sheet 2 of D410 for shaft and keyway details. 37

38 Type 4Foot ounted nits Quadruple Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D410 2of2 3 W3 Y1 3 W2 Y V4ø W øv V5ø Input Shaft W1 øv1 Output Shaft Input Shafts Output Shafts nit Size V V4 W W2 Y Z V1 V5 W1 W3 Y1 Z x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x

39 Type 4SFFoot/Shaft ounted nits Quadruple Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D412 1of2 Shafts anding/rotation B A2 A1 A N Dipstick/ Ventilator 1 E V1ø V2ø D1 T D Size 180 shown 2 Rø holes for Sø bolts J L Drain Plug 1 F G 1 F Vø Size 180 only X X W W1 Z Z Opposite Rotation Available P1 Q X K1ø K2ø Output Bore Sizes 160 & 140 only nit Size A A1 A2 B D D1 E F G J L N P1 Q nit Size R S T 1 V V1 V2 W W1 X Z K1 K x x x For higher sizes refer to PREI See Sheet 2 of D412 for shaft and keyway details. 39

40 Type 4SFFoot/Shaft ounted nits Quadruple Reduction Parallel Shafts Principal Dimensions(mm) DIENSIONS D412 2of2 3 W2 Y V1ø V2ø Z Size 180 only V4ø N W øv Input Shaft K1ø K2ø K2ø Sizes 160 & 140 only Output Sleeve Bores Input Shafts Output Sleeve Bores nit Size V V4 W W2 Y Z V1 V2 K1 K2 N ` x x x

41 Type B2Foot ounted nits Double Reduction Right Angle Shafts Principal Dimensions (mm) DIENSIONS D220 1of2 Shaft anding/rotation W P1 Q W1 B A N Dipstick/Ventilator 1 E Vø V3 V1ø 1A T D V4 C Rø holes for Sø bolts L K J DrainPlugSize500 Drain Plug Size F G F 1 nit without fan 2 W P Vø 2A Opposite Rotation Available nit with fan nitsize A B C D E F G J K L N P P nit Size Q R S T 1 V V1 V3 V4 W W x x x x x x x x x x x x See Sheet 2 of D220 for shaft and keyway details. Ventilator is located on top cover, for size 500 E is over ventilator and dipstick position is as shown. 41

42 Type B2Foot ounted nits Double Reduction Right Angle Shaft Principal Dimensions(mm) DIENSIONS D220 2of2 3 W3 Y1 3 W2 Y V4ø W øv V5ø Input Shaft W1 øv1 Output Shaft Input Shafts Output Shafts nit Size V V4 W W2 Y Z V1 V5 W1 W3 Y1 Z x x x x x x x x x x x x x x x x x x x x x x x x

43 Type B2SFFoot/Shaft ounted nits Double Reduction Right Angle Shafts Principal Dimensions (mm) DIENSIONS D222 1of2 Shaft andling/rotation W P1 W1 Q X B A N Dipstick/Ventilator 1 E V1ø V2ø V3 T D C V4 1A Rø holes for Sø bolts L K J nit without fan DrainPlugSize500 Drain Plug Size W P X X 1 F G F 1 2 Z Z X1ø X2ø Vø Output Bore Sizes 160 & 140 only 2A nit with fan Opposite Rotation Available nit Size A B C D E F G J K L N P P1 Q nit Size R S T 1 V V1 V2 V3 V4 W W1 X X1 X2 Z x x x x x x x x x x x x See Sheet 2 of D222 for shaft and keyway details. Ventilator is located on top cover for size 500 and dipstick position is as shown. 43

44 Type B2SFFoot/Shaft ounted nits Double Reduction Right Angle Shafts Principal Dimensions (mm) DIENSIONS D222 2of2 3 W2 Y V1ø V2ø V4ø Y1 W øv Input Shaft X1ø X2ø X2ø Z1 Sizes 160 & 140 only Output Sleeve Bores Input Shafts Output Sleeve Bores nit Size V V4 W W2 Y Z V1 V2 X1 X2 N x x x x x x x x x x x x

45 Type B3Foot ounted nits Triple Reduction Right Angle Shafts Principle Dimensions (mm) DIENSIONS D320 1of2 Shaft andling/rotation W P1 B A N Dipstick/Ventilator Q W1 1 E Vø V3* V1ø 1A T Rø holes for Sø bolts L K2 K1 J K V4* D Drain Plug Size Drain Plug Size C* 1 F G F 1 2 W P* nit without fans Vø 2A Opposite Rotation Available nit with fan * nit Size A B C D E F G J K K1 K2 L N P nit Size P1 Q R S T 1 V V1 V3 V4 W W x x x x x x x x x x x x x x x * Fan can be fitted for ratios 14.0 to 63.8 only. Sizes 140 to 315 have 4 facings. Sizes 355 to 500 have 6 facings and sizes 560 to 710 have 8. Ventilator See Sheet 2 of D320 for shaft and keyway details. is located on top cover, sizes 500 to 710. E is over ventilator on these sizes, and dipstick position is as shown. 45

46 Type B3Foot ounted nits Triple Reduction Right Angle Shafts Shaft & Keyway Dimensions (mm) DIENSIONS D320 2of2 3 W3 Y1 3 W2 Y V4ø W øv V5ø Input Shaft W1 øv1 Output Shaft Input Shafts Output Shafts nit Size V V4 W W2 Y Z V1 V5 W1 W3 Y1 Z x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x

47 Type B3SFFoot/Shaft ounted nits Triple Reduction Right Angle Shafts Principal Dimensions (mm) DIENSIONS D322 1of2 Shaft andling/rotation W/ P1 B A N Dipstick/Ventilator W1 Q X 1 Vø E V1ø V2ø V4* V3* 1A T D C* 2 Rø holes for Sø bolts W K2 P* J L K1 K nit without fan Drain Plug Sizes Drain Plug Sizes F X Z G 1 F X Z X1ø X2ø 2A Vø Output Bore Sizes 160 & 140 only Opposite Rotation Available nit with fan* nits Size A B C* D E F G J K K1 K2 L N P* P1 Q nits Size R S T 1 V V1 V2 V3 V4* W W1 X X1 X2 Z x x x x x x x x x x x x x x x * Fan can be fitted for ratios 14.0 to 63.8 only. Sizes 355 to 500 have 6 facings and sizes 560 to 710 have 8. See Sheet 2 of D322 for shaft and keyway details. Sizes 140 to 315 have 4 facings. Ventilator is located on top cover, sizes 500 to 710. E is over ventilator on these sizes, and dipstick position is as shown. 47

48 Type B3SFFoot/Shaft ounted nits Triple Reduction Right Angle Shafts Principal Dimensions (mm) DIENSIONS D322 2of2 3 W2 Y V1ø V2ø V4ø Y1 W øv Input Shaft X1ø X2ø K2ø Z1 Sizes 160 & 140 only Output Sleeve Bores Input Shafts Output Sleeve Bores nit Size V V4 W W2 Y Z V1 V2 K1 K2 N x x x x x x x x x x x x x x x

49 Type B4 Foot ounted nits Quadruple Reduction Right Angle Shafts Principal Dimensions (mm) DIENSIONS D420 1of2 W P1 N Shaft anding/rotation B A Dipstick/Ventilator Q W1 E 1 Vø V1ø T D 1A Rø holes for Sø bolts J L Drain Plug 1 F G 1 F 2 2A Opposite Rotation Available nit Size A B D E F G J K K1 L N nit Size P1 Q R S T 1 V V1 W W x x x x x x x x x x x x x x x See Sheet 2 of D420 for shaft and keyway details. 49

50 Type B4Foot ounted nits Quadruple Reduction Right Angle Shafts Principal Dimensions (mm) DIENSIONS D420 2of2 3 W3 Y1 3 W2 Y V4ø W øv V5ø Input Shaft W1 øv1 Output Shaft Input Shafts Output Shafts nit Size V V4 W W2 Y Z V1 V5 W1 W3 Y1 Z x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x

51 Type B4SFFoot/Shaft ounted nits Quadruple Reduction Right Angle Shafts Principal Dimensions (mm) DIENSIONS D422 1of2 Shafts anding/rotation 1 W P1 B A N Dipstick/Ventilator E 1A Vø T D V1ø V2ø 2 Rø holes for Sø bolts J L Drain Plug 1 F G 1 F Size 180 only X X W1 Z Z 2A Q X K1ø K2ø Opposite Rotation Available Output Bore Sizes 160 & 40 only nit Size A B D E F G J L N P1 Q nit Size R S T 1 V V1 V2 W W1 X Z K1 K x x x For higher sizes refer to PREI See Sheet 2 of D422 for shaft and keyway details. 51

52 Type B4SFFoot/Shaft ounted nits Quadruple Reduction Right Angle Shafts Shafts, Keyway & Bore Dimensions (mm) DIENSIONS D422 2of2 3 W2 Y V1ø V2ø Size 180 only Z V4ø N W øv Input Shaft K1ø K2ø K2ø Sizes 160 & 140 only Output Sleeve Bores Input Shafts Output Sleeve Bores nit Size V V4 W W2 Y Z V1 V2 K1 K2 N ` x x x

53 ø ø ø ø otorised nits orizontal Parallel Shafts DIENSIONS D01 1of2 F LB C E Type 22SF Parallel Shafts otor nit Frame C P LB D E F Size Size (max) P D D D Foot mounted D D F LB P C E D D D D For type 2 2SF C = 458 for frame D280 when fitted to units with ratios 12.6 to SF Foot / Shaft mounted Types 33SF Parallel Shafts otor nit Frame C P LB D D1 D2 E F Size Size (max) D D D D F 3 Foot mounted F 3SF Foot/Shaft mounted LB LB P P C C D1 D1 D D E D2 E D2 D D D D D D D D D D D D D D D D D D D

54 ø ø ø ø otorised nits orizontal Right Angle Shafts DIENSIONS D01 2of2 Types B2B2SF Right Angle Shafts otor nit Frame C P LB D E Size Size (max) D D D LB P C E 225 D D D D D B2 Foot mounted D LB C E P D B2SF Foot/Shaft mounted Types B3B3SF Right Angle Shafts otor nit Frame C P LB D E Size Size (max) D D D D D D LB P C E D D D D D D D D D B3 Foot mounted LB C D D D D D D D P BSSF Foot / Shaft mounted E D 54

55 Type V2V2 SAV2 CT Double Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D214 1of2 V2Standard nits V2 SA eavy Duty Stirrer Drives V3 V4 V ø W P F1 F K T W P1 F2 Q W1 F K T Q V1ø Pump nit with fan W1 B A1 N Drain Plug V1ø V2 CT Cooling TowerDrives 1 Shaft anding/rotation E 1 G Dipstick/ ventilator 1 F2 Q Rø holes for Sø bolts A L Filter Plug W1 J V1ø nit without Fan 2 nit Size A A1 B E F F1 G J K L N P P1 Q R S T Ratios nit Size 1 V V V1 V3 V4 W W W1 F2 Q V1 W1 F2 Q V1 W See Sheet 2 of D214 for shaft and keyway details. Ratios V2 SA eavy Duty Stirrer Drives V2 CT Cooling Tower Drives 55

56 Type V2V2 SAV2 CT Double Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D214 2of2 3 W3 Y1 3 W2 Y V4ø W øv V5ø Input Shaft W1 øv1 Output Shaft Input Shafts Ratio Input Shafts Ratios nit Size V V4 W W2 Y Z V V4 W W2 Y Z x x x x x x x x x x x x x x x x Output Shafts Standard nits and CT Drives Output Shafts eavy Duty Stirrer Drives nit Size V V5 W1 W3 Y1 Z1 V1 V5 W1 W3 Y1 Z x x x x x x x x x x x x x x x x Approximate Net Weights and Oil Capacities nit Type/Size Net weight (kg) V V2 SAV2 CT Oil require at 1st filling (It.) V2V2 SAV2 CT

57 Type V3V3 SAV3 CT Triple Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D314 1of2 V3Standard nits V ø V3SA eavy Duty Stirrer Drives w P1 F K T F K T Q F2 Q Pump W1 W1 B N Drain Plug V1ø V1ø E 1 Shaft anding/rotation V3 CT Cooling TowerDrives A2 G Dipstick/ ventilator D1 1 1 Rø holes for Sø bolts A A1 J L Filter Plug 2 F2 Q W1 V1ø nit Size A A1 A2 B D1 E F G J K L N P1 Q R See Sheet 2 of D314 for shaft and keyway details. V3 SA eavy Duty Stirrer Drives V3 CT Cooling Tower Drives nit Size S T 1 V V1 W W1 F2 Q V1 W1 F2 Q V1 W

58 Type V3V3 SAV3 CT Triple Reduction Parallel Shafts Principal Dimensions (mm) DIENSIONS D314 2of2 3 W3 Y1 3 W2 Y V4ø W øv V5ø Input Shaft W1 øv1 Output Shaft Input Shafts nit Size V V4 W W2 Y Z x x x x x x x x Output Shafts Standard nits and CT Drives Output Shafts eavy Duty Stirrer Drives nit Size V1 V5 W1 W3 Y1 Z1 V1 V5 W1 W3 Y1 Z x x x x x x x x x x x x x x x x Approximate Net Weights and Oil Capacities nit Type/Size Net weight (kg) V3 V3 SAV3 CT Oil required at 1st filling (It) V3V3 SAV3 CT

59 Type VB2VB2 SAVB2 CT Double Reduction Right Angle Shafts Principal Dimensions (mm) DIENSIONS D224 1of2 VB2Standard nits VB2 SA eavy Duty Stirrer Drives nit with Fan V4 V3 Vø F K T F K T C F2 Q Q W1 W Pump P W1 V1ø V1ø E W P1 B N 1 Drain plug Shaft anding/rotation VB2 CT Cooling Tower Drives V1ø W1 E 1 G Dipstick/ ventilator F2 Q Rø holes for Sø bolts A J L Filler plug nit without Fan 2 nit Size A B C E F G J K L N P P1 Q R S VB2 SA eavy Duty Stirrer Drives VB2 CT Cooling Tower Drives nit Size T 1 V V1 V3 V4 W W1 F2 Q V1 W1 F2 Q V1 W See Sheet 2 of D224 for shaft and keyway details. 59

60 Type VB2VB2 SAVB2 CT Double Reduction Right Angle Shafts Principal Dimensions (mm) DIENSIONS D224 2of2 3 W3 Y1 3 W2 Y V4ø W øv V5ø Input Shaft W1 øv1 Output Shaft Input Shafts nit Size V V4 W W2 Y Z x x x x x X x x Output Shafts Standard nits and CT Drives Output Shafts eavy Duty Stirrer Drives nit Size V1 V5 W1 W3 Y1 Z1 V1 V5 W1 W3 Y1 Z x x x x x x x x x x x x x x x x Approximate Net Weights and Oil Capacities nit Type/Size Net weight (kg) VB VB2 SAVB2 CT Oil required at 1st filling (It.) VB2VB2 SAVB2 CT

61 Type VB3VB3 SAVB3 CT Triple Reduction Principal Dimensions (mm) DIENSIONS D324 1of2 VB3Standard nits nit with fan V3* V4* VB3 SA eavy Duty Stirrer Drives F K T Vø F K T C* Q F2 Q Pump W1 W1 W W P* P1 B N Drain Plug V1ø V1ø E 1 Shaft anding/rotation VB3 CT Cooling Tower Drives V1ø Rø holes for Sø bolts J A L 1 G Dipstick/ ventilator Filter Plug nit without Fan 1 2 W1 F2 Q nit Size A B C* E F G J K L N P* P1 Q R S VB3 SA eavy Duty Stirrer Drives VB3 CT Cooling Tower Drives nit Size T 1 V V1 V3* V4* W W1 F2 Q V1 W1 F2 Q V1 W *Fan is fitted for ratio 14.0 to 63.8 only. See Sheet 2 of D324 for shaft and keyway details. 61

62 Type VB3VB3 SAVB3 CT Triple Reduction Principal Dimensions (mm) DIENSIONS D324 2of2 3 W2 Y 3 W3 Y1 V4ø W øv Input Shaft V5ø W1 øv1 Input Shafts nit Size V V4 W W2 Y Z Output Shaft x x x x x x x x Output Shafts Standard nits and CT Drives Output Shafts eavy Duty Stirrer Drives nitsize V1 V5 W1 W3 Y1 Z1 V1 V5 W1 W3 Y1 Z x x x x x x x x x x x x x x x x Approximate Net Weights and Oil Capacities nit Type/Size Net weight (kg) VB VB3 SA VB3 CT Oil required at 1st filling (lt.) VB3 VB3 SA VB3 CT

63 Output Shaft & Shrink Disc Details (mm) Types 2SF 3SF B2SF B3SF ENGINEERING E501 1of2 Each shaft mounted gear unit can be fitted with a shrink disc device located on the hollow output shaft to provide a positive outer locking connection between gear unit and driven shaft. The shrink disc is a friction device, without keys, which exerts an external clamping force on the hollow output shaft, thus establishing a mechanical shrink fit between the gear unit hollow shaft & driven shaft. Shrink disc capacities have ample margins in dealing with transmitted torques and external loading imposed on gear units. Working Principle The shrink disc consists of two locking collars, a double tapered inner ring, looking screws and a sealing ring. By tightening the locking screws, the locking collars are pulled together, exerting radial forces on the inner ring, thus creating a positive friction connection between hollow shaft and driven shaft See fig.2. As the tapered surfaces of locking collars and inner ring are lubricated with olykote 321 R or similar and the taper angle is not self locking, locking collars will not seize on the inner ring and can be released easily when removal is necessary. When the shrink disc is clamped in position the high contact pressures between tapered surfaces and screw heads and their seatings ensure hermetic sealing and eliminate the possibility of fretting corrosion. L R J B Cx45 O Ax45 D1 D d1 d K E F G TRST PLATE L3 FIG. 1 L2 L1 N TAPPINGS ON S NO. OF OLES SCREWS PROTECTIVE COVER Shrink Disc ollow Shaft Shaft of Driven achine nit Size Screws min Size Rel. F G a J L A B N S E d* d1 D* D1 L1 L2 L3 C R K x x x x x x x x70 For higher sizes refer to PREI Shrink disc locking screws must be tightened to the torque figures a shown in Nm. * Tolerances for shaft diameters D and d are to h6 for diameters 95 to 165 and g6 for165 and above. As improvements in design are continually being made, this specification is not to be regarded as binding in detail and dimensions are subject to alteration without notice. 63

64 Output Shaft & Shrink Disc Details (mm) Types 2SF 3SF B2SF B3SF ENGINEERING E501 2of2 GREASED SCREWS DEGREASED SAFT B INNER RING O RING LOCKING COLLARS FIG. 2 Installation Shrink discs are optionally supplied with shaft mounted units. The following procedures should be followed when fitting or removing units from driven shafts 1. Release locking screws gradually and in succession. Initially a quarter of a turn on each screw will avoid tilting and jamming of collars. 2. Remove collars and clean shrink disc thoroughly. 3.. Clean and degrease locating diameters of gear unit hollow shaft, driven shaft and shrink disc locating diameter on hollow shaft extension. 4. Draw the gear unit onto the driven shaft. See Fig.3 5. Grease tapered surfaces of locking collars and inner ring with olykote 321 R or similar. 6. Fit Shrink Disc on gear unit hollow shaft to position shown in Fig Tighten all locking screws gradually and in succession. Do not tighten in a diametrically opposite sequences. Several passes are required until all screws are tightened to the torque figures a shown in the table opposite in Nm. This is stamped on the inner face of the shrink disc. o Locking collars must remain equidistant over 360. Note: When the hollow output shaft is to operate in a vertical position it is essential that the shaft of the driven machine is provided with a shoulder. When the thrust load is not taken by the shoulder on the driven shaft, a thrust plate, as shown in Fig.1 must be fitted. It is recommended that customers shafts at the nonclamped end of the sleeve should be coated with olykote 321 R or equivalent. Removal 1. Removal procedure is similar to the reverse of installation. Note: Do not remove shrink disc locking screws completely. 2. Remove any rust and dirt from gear unit hollow shaft. 3. Withdraw gear unit from driven shaft. See Fig.4. Note: Shrink disc should be removed and cleaned thoroughly, and olykote 321 R or similar applied to the tapered surfaces of inner ring and locking collars before re use. The O ring should be replaced if worn or damaged. DRIVEN SAFT NIT OTPT SLEEVE FIG.3 ONTING GEAR NIT SRINK DISC NT JACKING SCREW JACKING PLATE JACKING SCREW PROTECTIVE DISC JACKING PLATE FIG.4 REOVING GEAR NIT As improvements in design are continually being made, this specification is not to be regarded as binding in detail and dimensions are subject to alteration without notice. 64

65 Torque Arm Details (mm) Optional Series Shaft ounted nits ENGINEERING E502 Torque Arm Dimensions (mm) Type 2S3SB2SB3S nit A B C D E F G Disc X Spring Size min max Ref x36x x41x x51x x51x x61x x71x x72x x81x For higher sizes refer to PREI. TYPE B2S Torque arms are available for double and triple reduction shaft mounted units with parallel or right angle shafts, type 2S, 3S, B2S and B3S. They are supplied as optional extras and are secured to gear cases as shown below. Torque arms must be secured to the chassis structure in a flexible mounting, as indicated, within a maximum angle of 30 between the vertical plane and a plane towards the gear unit output shaft as illustrated. Shaft mounted units are designed to operate in the horizontal position. Reference must be made to Premium with full details, where units are required to operate in an inclined position or 0 where torque arm mounting positions exceed the 30 maximum angle of inclination to the vertical plane. Shaft mounted units for igh Inertia Drive When used on Traverse drives with high inertia driven loads, e.g. crane drives (slewing, long travel and cross travel) boggie drives and selected high inertia load roller table drives, it is recommended that shaft mounted units should be fitted with shock absorbing Torque Arms. Consult Premium with specific application details. 0 TE TORQE AR ST BE FLEXIBLY ONTED TO TE CASSIS STRCTRE C EAC PAIR OF DISC SRINGS TO BE COPRESSED X ON ASSEBLY 30 0 AX A TYPES 2S3SB3S D C G E Ø 30 0 AX B FØ As improvements in design are continually being made, this specification is not to be regarded as binding in detail and dimensions are subject to alteration without notice. 65

66 Cooling Coil Connections (mm) Types 1 2 2SF 3 3SF B2 B2SF B3 B3SF ENGINEERING E503 1 B2 B2SF Cooling Coil connections for water inlet and outlet pipes are provided as indicated. One size of fitting is used for all gear unit sizes. Fittings which are supplied with gear units fitted with cooling coils are to suits 12 mm diameter copper pipe which is provided by customers. Cooling coils are suitable for fresh, brackish or sea water with flow in either direction. Connections are therefore interchangeable. C A 22SF33SFB3B3SF C A B B Type of nit 1B2B2SF 22SFB3B3SF 33SF nit Size A B C A B C A B C For higher sizes refer to PREI. CSTOER S 12 Ø COPPER TBE GEAR CASE 18 BLKEAD FITTING FOR 12 DIAETER PIPE As improvement in design are continually being made, this specification is not to be regarded as binding in detail and dimensions are subject to alteration without notice. 66

67 oldbacks Principle of Operation ENGINEERING E504 1of2 GEARCASE OTER RING OLD BACK INNER RING OLD BACK OTER RING INNER RING SPRAG (RELEASED FRO TRACK OF OTER RING) PINION SAFT OLD BACK OSING FIG.1 FIG.2 oldbacks can be fitted to all elical nits, with the exception of 1 single reduction type, where required to operate in nonreversing drives. They are located on input pinionshaft in case of 2/2SF type units and on second reduction pinionshaft in case of B2/B2SF, 3/3SF and B2/B3SF type of units. All the holdbacks have adequate capacities to deal with full rated torque. Lubrication is provided automatically from the oil in the gear unit. oldbacks are located externally as shown in Fig.1 and are positioned on different units as shown on sheet 2 of E504. oldbacks fitted on elical units are of centrifugally released sprag type. In case of these holdbacks the sprags rotate along with cage and inner ring of holdback in free direction of rotation. The sprags are so designed that they get released from track of outer ring of the holdback. (see fig.2) due to centrifugal force at normal running speed of gearbox. Contact between the sprag and the stationary outer race therefore takes place only during starting and stopping. Contactfree running during normal operating conditions reduces wear of the sprags and ensures the longer life. 67

68 oldbacksdouble & Triple Reduction nits Positions ENGINEERING E504 2of2 oldbacks can be fitted to all PREI elical gear unit types with the exception of 1 single reduction units. They are located externally on helical pinion shafts, positioned as indicated on the diagrams below. The holdback position for units with right angle shafts, types B2B2SFB3B3SF depends on relative shaft rotations. Type B2 Position of holdback on types B2SF, sizes 225, 250, 280 and 315 is on the side opposite to the shrink disc for shaft handings 1 and 2A (see D 221 & D 222) Type 2 Type B2SF Type 2SF Type B3 Type 3 Type B3SF Type 3SF 68

69 oments of Inertiakg m 2 Referred to igh Speed Shafts ENGINEERING E505 1of2 SINGLE REDCTION NITS Type 1 Type 1 Type 1 Nominal Ratio nit Size DOBLE REDCTION NITS Type 22SF Type 22SFV2V2 SAV2 CT Type 22SF nit Size Nominal Ratio REFER TO PREI TRIPLE REDCTION NITS Type 33SF Type 33SFV3V3 SAV3 CT Type 33SF nit Size Nominal Ratio As improvement in design are continually being made, this specification is not to be regarded as binding in detail and demensions are subject to alteration without notice. REFER TO PREI 69

70 oments of Inertiakg m 2 Referred to igh Speed Shafts ENGINEERING E505 2of GD (kgm)=4xomentofinertia (kg m ) DOBLE REDCTION NITS Type B2B2SF Type B2B2SFVB2V2 SAVB2 CT Type B2B2SF Nominal Ratio nit Size REFER TO PREI TRIPLE REDCTION NITS Type B3B3SF Type B3B3SFVB3VB3 SAVB3 CT Type B3B3SF Nominal Ratio nit Size REFER TO PREI As improvement in design are continually being made, this specification is not to be regarded as binding in detail and dimensions are subject to alteration without notice. 70

71 Exact Ratios All Types ENGINEERING E506 1of2 SINGLE REDCTION NITS Type 1 Type 1V1 Type 1 Nominal nits Size Ratio FOR IGER SIZES REFER TO PREI DOBLE REDCTION NITS Type 22SF Type 2V22SFV2 SAV2 CT Type 22S2SF Nominal nits Size Ratio FOR IGER SIZES REFER TO PREI TRIPLE REDCTION NITS Type 33SF Type 3V33SFV3 SAV3 CT Type 33S3SF Nominal Ratio As improvement in design are continually being made, this specification is not to be regarded as binding in detail and dimensions are subject to alteration without notice. FOR IGER SIZES REFER TO PREI 71

72 Exact Ratios All Types ENGINEERING E506 2of2 DOBLE REDCTION NITS Type B2B2SF Type B2VB2B2SB2SFVB2 SAVB2 CT Type B2B2SF Nominal nits Size Ratio REFER TO PREI TRIPLE REDCTION NITS Type B3B3SF Type B3VB3BS3B3SFVB3 SAVB3 CT B3B3SF Nominal nits Size Ratio FOR IGER SIZES REFER TO PREI Type B4B4SF Nominal Ratio 140 nits Size QADRPLE REDCTION NITS Type 44SF Nominal nits Size Ratio FOR IGER SIZES REFER TO PREI As improvements in design are continually being made, this specification is not to be regarded as binding in detail and dimensions are subject to alteration without notice. 72

73 Net Weights All Types ENGINEERING E 507 Net Weights for Vertical nits in kg (aprox.) nits Size nit Type V V2 SA V2 CT V V3 SA V3 CT VB VB2 SA VB2 CT VB VB3 SA VB3 CT Net Weights for orizontal nits in kg (approx.) nits Size nit Type SF SF * * * * * * * * 4SF * * * * * * * * B B2SF B B3SF B * * * * * * * * B4SF * * * * * * * * *Refer to PREI. E.T.L. As improvements in design are continually being made, this specification is not to be regarded as binding in detail and dimensions are subject to alteration without notice. 73

74 Approved Lubricants Oil Capacities ENGINEERING E508 Premium gear units are supplied without oil. Before operating it is essential to ensure that they are filled to correct oil levels as indicated by markings on dipsticks, with lubricants recommended by Premium. Overfilling can cause overheating and leakage. Correct lubricant is most important and it should be noted that EP oils are recommended in all instances. Lubricants listed are suitable for normal ambient temperatures and operating duties. All gear units in this range are designed to operate o under full load at a maximum temperature of 110 C. igher temperature up to a maximum of 120 o C are acceptable on the basis of peak periods of short duration only. In certain applications these maximum temperatures may be exceeded by the use of special lubricants. Such cases, or others where extreme conditions, are to be met, e.g. low temperature operation or unusual loading conditions, should be referred, with full details, to Premium for recommendations. Recommended lubricants are based on information provided by oil suppliers and responsibility cannot be accepted for the quality or suitability of oil supplied, nor to any mechanical defect resulting from unsatisfactory lubrication due to the use of substandard oil. RECOENDED LBRICANT se Greaves Traxol Lubricant oil G32 for optimizing gear performance and service life. Available at all PETL outlets. Oil Capacities for Vertical nits in litres (approx.) nit Size nit Type V2V2 SAV2 CT V3V3 SAV3 CT VB2VB2 SAVB2 CT VB3VB3 SAVB3 CT Oil Capacities for orizontal nits in litres (approx.) nit Size nit Type SF SF * * * * * * * * 4SF * * * * * * * * B B2SF B B3SF B * * * * * * * * * B4SF * * * * * * * * * *Refer to PREI. As improvements in design are continually being made, this specification is not to be regarded as binding in detail and dimensions are subject to alteration without notice. 74

75 Premium Energy Transmission Limited ead Office : P.B. No. 5, Chinchwad, Pune , India. Tel : (9120) /42/43/44, Fax : (9120) , Website : Branch Offices : Western Region: umbai : Industry anor, Appasaheb arathe arg, Prabhadevi, umbai Tel : (9122) , , Fax : (9122) Ahmedabad : Jaldarshan, Ashram Road, Navrangpura, Ahmedabad Tel : (9179) / 0518/ 1861, Fax : (9179) Nagpur : "Guman", Pandit Jawaharlal Nehru arg, Sadar, P.B. No 129, Nagpur Tel : (91712) , , , Fax : (91712) Northern Region : New Delhi : Express Building Annexe, 910, Bahadur Shah Zafar arg, New Delhi Tel : (9111) (8 lines), Fax : (9111) Eastern Region : Kolkata : Thapar ouse, 25, Brabourne Road, P.B. No. 702, Kolkatta Tel : (9133) , , , Fax : (9133) Ranchi : Rani Kuthi, 82, Burdwan Compound, P.B. No.139, Ranchi Tel : (91651) , Fax : (91651) Southern Region : Chennai : Wavoo ansion 6th Floor, New No.48 (Old No.39), Rajaji Salai, Chennai Tel : (9144) , Fax : (9144) Bangalore : 16/3, Ali Asker Road, P.B. No. 216, Bangalore Tel : (9180) /2506, Fax : (9180) yderabad : 6247, A.C. Guards, 1st floor, P.B.No. 9, yderabad Tel : (9140) , , , Fax : (9140) Kochi : 39/5567,.G. Road, Ernakulam, Kochi Tel : (91484) , , Telefax : (91484) TRAXOL G32 AKindia.com

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95 GREAVES PRODCTS (Click the product name to go to the file directly) WOR ELICAL AB SERIES AERATOR DRIVE PLANETARY GEARED OTORS BEVEL CT FLID COPLINGS EXTRDER FLEXIBLE COPLINGS BEVEL B1 GEARED COPLINGS EC VARIABLE SPEED DRIVE