NH 50Hz SEWAGE PUMPS

Transcription

1 NH Hz SEWAGE PUMPS

2 Subersible Sewage Pups TSURUMI UNIVERSE is a new brand of products fro TSURUMI, a leading copany in the field of subersible pups for over 9 years. It has been developed to further spread TSURUMI products to arkets around the world. Based on years of research and achieveents, the brand was developed with the ai of enhancing copetitiveness, while providing qualities equivalent to conventional odels and TSURUMI s original features and functions. Now, after thorough preparation, we are releasing our NH-series pups under the new brand nae of TSURUMI UNIVERSE. The NH-series pups of the TSURUMI UNIVERSE brand are heavy-duty subersible sewage pups ade of cast iron. In addition to the wide range of specifications featuring to discharge bore diaeters and.7 to 7 otor output capacities, the NH-series offers a variety of product lineups with three types of ipellers: Channel, Cutter and Vortex types. The guide rail fitting device is applicable to all odels, enabling easy installation and aintenance. Equipped with a channel ipeller, the NHB and NH series are TSURUMI s basic type of pups and provide excellent foreign object passage. The NHC-series features cutter pups built with a cobination of a channel ipeller and a specially structured suction cover, in which a tungsten carbide alloy cutting edge is brazed to the ipeller vane, thus enabling foreign objects to be shredded at the suction port while puping. The NHU-series provides a sei-vortex structure equipped with a vortex ipeller, whereby iniizing potential troubles caused by clogging of fibrous foreign objects. The NH-series pups are applicable to a wide spectru of fields, such as raw water transfer in purifying tanks (Johkasou/septic tanks), wastewater treatent facilities, puping stations and flood prevention equipent, and reservoirs of recreational facilities, as well as drainage of sewage and wastewater. These pups integrate original technologies TSURUMI has perfected via years of research and achieveents, to note our anti-wicking cable, dual inside echanical seals with silicon carbide face, and Oil Lifter. In addition, with a design that thoroughly considers pup durability and wear resistance, these pups enable continuous duty for a long period of tie. TSURUMI products feature a highly reliable design that ensures excellent durability and stable quality, contributes to stable operations of facilities, and results in rearkably reduced aintenance costs. 1 2

3 Selection Table Syste Sewage Pups NHB NHC NHU NH The guide rail fitting syste connects the pup to and fro the piping easily just by lowering and hoisting the pup, allowing easy aintenance and inspection without the need to enter the sup. The TOS/TO is the guide rail fitting syste ade of cast iron and is copatible with cast iron pups. Discharge Bore Motor Output Pole Ipeller Channel Cutter (Channel Ipeller with Cutting Edges) Vortex Channel Accessories Duckfoot Bend Guide Support Guide Hook Lifting Chain (with Shackles) JIS kg/c 2 Flange or DIN PN Flange Guide Support (with Bolt & Nuts) Lifting Chain (with Shackles) Guide Pipe (not supplied) Guide Hook Flange Standard Water Jacket Leakage Sensor Seal Pressure Relief Ports Back Pull-out Design Syste Page No. DIN ( 7 only) (11-7 only) (22-7 only) JIS ( only) JIS ( only) JIS (. 7. only) 13-1 Duckfoot Bend Model Nuber Designation TOS NHB 22 H Rated otor output in kilowatts IMPELLERS Channel The ipeller is shrouded type with one or two vanes. It has a wide channel extending fro inlet to exit, which allows the pup to pass the solid atters fro inflow to discharge with inial blockage. Discharge bore in illieters Nae of the series Nuber of the poles of the otor Sub code for the puping head H : High head L : Low head Float Switches Cutter Vortex The ipeller is a sei-open type with two vanes. Two sintered tungsten carbide alloy edges are brazed on two ipeller vanes, and they rotate on a saw-tooth suction port of a suction cover. This echanis allows to cut up the foreign atters flowed into the ipeller to discharge the. The ipeller is a vortex type. The rotation of the ipeller produces a whirling, centrifugal action between the ipeller and pup casing. Being coupled with a wide pup casing, even large solids and fibrous atters can be puped out without obstruction. Tsurui offers two types of float switches (liquid level sensors). A icro-switch is incorporated in both types. Model MC-2 is a heavy-duty type float switch with a shock absorber. Having equipped with a high grade icro switch, the MC-2 assures trouble-free operation in the liquid containing uch suspended solids and floating scu. Either of the two contacts, norally-open or norally-close, can be selected as required. Model RF- is an econoy type float which can detect upper/lower liit water levels with single float. The snap on-off action ensures stable operation in clean or waste water containing suspended solids or oil and fat. 3

4 Shrouded Channel Ipeller with Axial Gap Structure (NHB) Model NHB * Soe odels consist of radial gap structure. Tsurui's sewage pups have been developed on the following two design concepts. Stable pup perforance over long periods of tie Iproved aintainability and durability 1 2 This axial gap structure is intended to prevent troubles caused by perforance drop, cavitation and clogging due to ingested foreign objects, which ay incur with pups over extended operation. The structure itself is fored by a closed type ipeller and suction cover, and is adopted for any odels of Tsurui pups to fulfill this purpose. Feature With the axial gap structure, the gap between the ipeller and suction cover is perpendicular to the shaft. On the other hand, with a radial gap structure, the gap is parallel to the shaft. In other words, assuing the sae increase in gap width due to wear, pup perforance drop of the axial gap structure is considerably saller than that of the radial gap structure. With the axial gap structure, pup perforance and efficiency can be aintained, even under ipeller wear, by adjusting the gap between the ipeller and suction cover with packing, etc. This reduces aintenance costs and ensures stable perforance over long periods of tie. 3 Furtherore, Tsurui's own technical investigations and any years of research have shown the axial gap structure to be ore advantageous against clogging by fibrous aterials, a proble that afflicts sewage pups in general. 7 9 Water Jacket (NHB and above) The pup is equipped with a water jacket, around the otor frae. A portion of the puped liquid is allowed to flow into the water jacket to cool the otor. This design feature perits the unit to operate at low water levels for extended periods of tie. Dual Inside Mechanical Seals with Silicon Carbide Faces Shrouded Channel Ipeller with Axial Gap Structure Isolated in the oil chaber where a clean, non-corrosive and abrasion-free lubricating environent is aintained. Copared with the water-cooled outside echanical seal, it reduces the risk of failure caused by dry-heating and adhering atter. The silicon carbide provides ties higher corrosion, wear and heat resistance than the tungsten carbide. Rubber parts of the upper and lower fixing rings are ade of NBR or FPM (FKM), which provides higher resistance to heat and cheicals. Oil Lifter [Patented] 11 Provides lubrication and cooling of the seal faces down to 1/3 of noral oil level, thus aintaining a stable shaft sealing effect and prolonging seal life longer. 7 Leakage Sensor (11 and above) Detects flooding into the oil chaber that ay occur in a worst case scenario. When flooding is detected, signals are sent to operate the indicator laps through the external control panel. 1 Anti-wicking Cable Entry Prevents water incursion due to capillary action should the cable sheath be daaged or the end of cable suberged. Also prevents oist air fro infiltrating the otor housing and condensation fro foring inside the housing due to teperature differences between the housing and outside air. 2 Air Release Valve *excluding soe odels Fitted on the water jacket and/or the pup casing to prevent the air lock. When air flows through the valve, the ball stays at the botto, but when the puped water starts to flow, the ball closes the outlet because of its buoyancy. 3 Motor Protector Circle Theral Protector (7. and below) Directly cuts the otor circuit if excessive heat builds up or overcurrent occurs in the otor. Miniature Theral Protector (11 and above) React to excessive heat caused by dry-running. The bietal strip opens to cause the control panel to shut the power supply. Single/Triple Oil Seals + Labyrinth Ring (NHB and above) Used as a Dust Seal, single or triple oil seals protect the echanical seal fro abrasive particles. The labyrinth ring is equipped to provide a better countereasure against wear caused by high pressure generated in the casing and iprove the aintainability for pups of and above. 9 Seal Pressure Relief Ports (NHB 22 and above, and NH, NHC. and above) Protect the echanical seal fro pup pressure. They also protect the seal face by discharging wear particles. Mouth Ring & Wear Ring (NHB and above) Prevent wear in the pup casing and suction cover, resulting in reduced aintenance costs. 11 Back Pull-out Design (NHU 2.2 & 3.7 only) Enables the otor to be separated fro the pup unit with the ipeller attached, by reoving the bolts between the oil casing and the pup casing. This design facilitates aintenance and inspection of the principal parts of the pup.

5 NHB -Channel Ipeller, -pole- The NHB-series is a subersible channel ipeller pup designed for handling raw sewage, wastewater and heavy-duty industrial applications, where the pup is subject to coplete subersion and requires axiu reliability. A shrouded channel ipeller practically prevents internal clogging and enables the pup to efficiently transfer sewage and wastewater containing solid atters. It is available as an extended line-up fro to discharge bores,. to 7. Perforance Curves It is not recoended to operate the unit continuously along the dashed curve. < > < > 2 1 NHB7. NHB. S.S. in -1 S.S. in -1 NHB22H NHB11 NHB NHB37 NHB1 NHB22 NHB7.L < > < > S.S. in -1 S.S. in -1 Discharge Bore NHB. NHB7 TOSNHB. NHB. NHB7. NHB7.L NHB11 NHB1 NHB22H NHB22 NHB37 NHB NHB11 NHB1 NHB37 NHB NHB7 NHB NHB37 NHB NHB7 NHB Model * 1 available upon request * 2 available upon request TOSNHB. TOSNHB7. TOSNHB7.L TOSNHB11 TOSNHB1 TOSNHB22H TOSNHB22 TONHB37 TONHB TONHB11 TONHB1 TONHB37 TONHB TONHB7 TONHB TONHB37 TONHB TONHB7 TONHB * 3 All weights excluding cable Motor Output Starting Method * 1 * 1 * 1 Diensions L x H 9 x 9 9 x 929 x 2 x 97 2 x 117 x 121 x x x x x x x x x x x 1 13 x x 9 x 9 9 x 927 x 9 x 2 9 x x x x x x x x x x x 17 x x x 172 x 13 Dry Weight* 3 kg Cable Length < > NHB7 NHB NHB37 NHB1 NHB11 NHB S.S. in NHB NHB37 NHB7 NHB 7

6 NHC -Cutter Ipeller, 2-pole- The NHC-series is a subersible cutter pup designed for handling raw sewage, wastewater, and heavy-duty industrial applications, where the pup is subject to clogging fro oversize aterial. Two tungsten carbide alloy edges blazed on the ipeller vane on the serrated suction cover. This echanis cuts incoing fibrous aterial into pieces, peritting sooth passage of fibrous aterial. Perforance Curves It is not recoended to operate the unit continuously along the dashed curve. < > < > NHC2.7 NHC23.7 NHC23. NHC22.2 NHC21. NHC21.1 S.S. in -1 NHC22.2 NHC23. NHC211 NHC27. NHC2. NHC23.7 S.S. in NHC27. TOSNHC2. Cutting Mechanis: Ipeller & Suction Cover Two sintered tungsten carbide alloy edges are brazed onto the ipeller vane, and they rotate on the serrated part of the suction cover. Incoing fibrous aterials are cut up by this echanis, and this prevents clogging in the pup discharge pipes or valves. Discharge Bore Model Motor Output Starting Method Diensions L x H Dry Weight* kg Cable Length NHC2.7 TOSNHC2.7.7 x 1 9 x 2 23 NHC21.1 TOSNHC x 1 9 x 2 23 NHC21. NHC22.2 TOSNHC21. TOSNHC x 1 x 33 x 3 33 x Cutter Pup Operation NHC23. TOSNHC x 2 x NHC23.7 TOSNHC x 7 9 x 11 2 NHC22.2 TOSNHC x x NHC23. TOSNHC x x 27 NHC23.7 TOSNHC x 91 x 37 7 NHC2. TOSNHC2.. 1 x 79 7 x NHC27. TOSNHC x 79 7 x NHC211 TOSNHC x x * All weights excluding cable 9

7 NHU -Vortex Ipeller, 2-pole- The NHU-series is a heavy-duty subersible pup equipped with a vortex ipeller for puping sewage and wastewater. The sei-vortex design provides a solids passage that is 7% or ore* of the discharge bore, thus reducing troubles caused by the clogging of fibrous solids to a iniu. Rotation of the ipeller produces vortex flow in the pup casing, which allows those foreign atters to be puped out with iniu contact to the ipeller. * excluding odel NHU21. Perforance Curves It is not recoended to operate the unit continuously along the dashed curve. < > < > 1 12 NHU21. NHU2.7 S.S. in -1 S.S. in NHU23.7 NHU22.2 NHU NHU2.7 NHU22.2 Discharge Model Motor Starting Solids Bore Output Method Passage NHU2.7 NHU21. NHU21. NHU22.2 NHU23.7 TOSNHU2.7 TOSNHU21. TOSNHU21. TOSNHU22.2 TOSNHU * All weights excluding cable Diensions L x H 3 x x 7 x 9 2 x 39 2 x 72 x 1 22 x 7 x 7 1 x 2 1 x 7 Dry Weight* kg Cable Length 11 12

8 -Channel Ipeller, 2-pole- Perforance Curves It is not recoended to operate the unit continuously along the dashed curve. < High Head Type > S.S. in-1 < High Volue Type >.. NH N NH NH NH2 NH NH NH2 S.S. in-1 3 NH2 The NH-series is a cast iron ade, subersible sewage pup utilizing 2-pole otor. This ipeller is a shrouded two-channel ipeller. Each channel is designed to have a larger area and it enables the pup to be suitable for puping wastewater containing a certain size of solids. The pups are available in six otor sizes ranging fro 1. to 7. and available in either High Head or High Volue Type. NH 1 N H2. H2 7. NH21. Discharge Bore NH27. Model Motor Output NH21. TOSNH NH22.2 TOSNH22.2 NH23. TOSNH23. NH2. Starting Method TOSNH2. Diensions L x H Dry Weight* kg Cable Length x 7 2 x x 37 x x 37 x 97 TOSNH2.. 9 x 7 79 x 11 1 NH2. TOSNH2.. 1 x 77 3 x 1 9 NH2. TOSNH x 3 9 x 31 1 NH2. TOSNH2.. 1 x 79 x NH2. TOSNH2.. 9 x 32 7 x 9 9 NH27. TOSNH x 32 1 x 9 11 NH27. TOSNH x 7 91 x * All weights excluding cable 13 1

9 Specifications Hz NHB NHB NHB. NHB7. NHB7.L NHB11 NHB1 NHB22H NHB22 NHB37 NHB NHB11 NHB1 NHB37 NHB NHB7 NHB NHB37 NHB NHB7 NHB Discharge Bore Discharge Connection DIN PN Flange (coe with Threaded Copanion Flange) DIN PN Flange Shrouded One-channel Shrouded Two-channel Shrouded One-channel Shrouded Two-channel Shrouded Two-channel Ipeller Radial Gap Axial Gap Radial Gap Axial Gap Radial Gap Axial Gap Radial Gap Axial Gap Suction Cover PUMP Wear Ring Mouth Ring Oil Seal Q'ty Single Triple Single Triple Single Triple Single Nitrile Butadiene Rubber Nitrile Butadiene Rubber Labyrinth Ring Stainless Steel Stainless Steel Stainless Steel Casing Shaft Seal Dual Inside Mechanical Seals (with Oil Lifter) Silicon Carbide Dual Inside Mechanical Seals (with Oil Lifter) Silicon Carbide Type Continuous-duty Rated, Dry-type Induction Motor Continuous-duty Rated, Dry-type Induction Motor Output Phase Pole Speed (S.S.) in -1 Insulation Three F Three F MOTOR Starting Method Motor Protector (built-in) Leakage Sensor (built-in) * 2 * 3 * 3 * 3 CTP MTP Electrode MTP Electrode Lubricant l Turbine Oil (ISO VG32) Turbine Oil (ISO VG32) Frae Shaft Stainless Steel Stainless Steel Power Cable Chloroprene Rubber Chloroprene Rubber Dry Weight* 1 kg kg * 1 All weights excluding cable * 2 available upon request * 3 available upon request 1

10 Specifications Hz NHC NHC2.7 NHC21.1 NHC21. NHC22.2 NHC23. NHC23.7 NHC22.2 NHC23. NHC23.7 NHC2. NHC27. NHC211 NHU NHU2.7 NHU21. NHU21. NHU22.2 NHU23.7 NH NH21. NH22.2 NH23. NH2. NH2. NH2. NH2. NH2. NH27. NH27. Discharge Bore Discharge Connection Threaded Oval Flange JIS kg/c 2 Flange Threaded Oval Flange JIS kg/c 2 Flange Ipeller Cutter (Sei-open Two-channel Ipeller with Two Cutting Edges) Vortex Shrouded Two-channel Radial Gap with Tungsten Carbide Alloy PUMP Suction Cover Oil Seal Q'ty Ductile Cast Iron Single Nitrile Butadiene Rubber Single Nitrile Butadiene Rubber Casing Shaft Seal Dual Inside Mechanical Seals (with Oil Lifter) Silicon Carbide Dual Inside Mechanical Seals (with Oil Lifter) Silicon Carbide Type Continuous-duty Rated, Dry-type Induction Motor Continuous-duty Rated, Dry-type Induction Motor Output Phase Three Three Pole 2 2 Speed (S.S.) in -1 Insulation F F MOTOR Starting Method Motor Protector (built-in) Leakage Sensor (built-in) CTP MTP Electrode CTP Lubricant l Turbine Oil (ISO VG32) Turbine Oil (ISO VG32) Frae Shaft Stainless Steel Stainless Steel Power Cable Chloroprene Rubber Chloroprene Rubber Dry Weight* kg kg * All weights excluding cable 17 1

11 We reserve the right to change the specifications and designs for iproveent without prior notice. Your Dealer 17 TSURUMI MANUFACTURING CO., LTD. Printed in Japan IA13-B HB-X-H-U