Catalog HY /NA. Catalog HY /NA. Parker Hannifin Corporation Hydraulic Pump Division Marysville, Ohio USA

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1 Catalog HY28-6/NA PV, PVT Series Piston Pumps Variable Volume Catalog HY28-6/NA 1

2 Catalog HY28-6/NA Notes Series PV 2

3 Catalog HY28-6/NA Introduction Series PV Quick Reference Data Chart Pump Delivery Approx. Noise Levels db(a) Input Power At Displacement Operating 21 bar (3 Full 18 RPM (12 RPM) 18 RPM, Max. bar (PSI) cc/rev Speed (RPM) Model in LPM (GPM) (In 3 /rev) 34 bar bar bar 27 bar 248 bar Displacement & Continuous (Maximum) 12 RPM 18 RPM (5 PSI) (1 PSI) (2 PSI) (3 PSI) (36 PSI) 248 bar (36 PSI) (Maximum) PV6 16 (.98) 19.7 (5.2) 29.5 (7.8) 53 (47) 55 (5) 59 (54) 62 (56) 65 (59) 13.1 kw (17.5 hp) (36) PV1 23 (1.4) 28. (7.4) 42. (11.1) 61 (57) 64 (59) 67 (63) (65) 7 (65) 19.7 kw (26.5 hp) (36) PV15 33 (2.) 39.4 (1.4) 59. (15.6) 64 (59) 66 (59) 68 (62) 7 (64) 71 (65) 27.2 kw (36.5 hp) (36) PV2 41 (2.5) 49.2 (13.) 73.8 (19.5) 68 (6) 7 (61) 73 (65) 74 (67) 75 () 33.2 kw (44.5 hp) (36) Measured in an anechoic chamber to DIN 45635, measuring error + 2 db(a). Fluid used: petroleum oil to ISO VG 46; temperature = 5 C (122 F). Since many variables such as mounting, tank style, plant layout, etc., effect noise levels, it cannot be assumed that the above readings will be equal to those in the field. The above values are for guidance in selecting the proper pump. 3

4 Catalog HY28-6/NA Introduction Series PV COMPENSATOR SPOOL SERVO PISTON PUMP HOUSING CASE DRAIN BIAS SPRING SHAFT BEARING OUTLET PORT REAR COVER INLET PORT PISTON SHAFT BEARING PORT PLATE CYLINDER BARREL SWASH PLATE SHAFT SEAL Features High Strength Cast-Iron Housing Fast Response Times Two Piece Housing For Ease of Service Replaceable Bronze Clad Port Plate Thru-Shaft Capability Low Noise Levels Replaceable Piston Slipper Plate Controls Compensation Load Sensing Horsepower Limiting Horsepower and Load Sensing Remote Compensation Adjustable Maximum Volume Stop 4

5 Catalog HY28-6/NA Control Options General Description All control is achieved by the proper positioning of the swash plate. This is achieved by a servo piston acting on one end of the swash plate working against the combined effect of the off-setting forces of the pistons and centering spring on the other end. The control spool acts as a metering valve which varies the pressure behind the servo piston. As shown in Figure 1, the amount of flow produced by the PV Pump is dependent upon the length of stroke of the pumping pistons. This length of stroke, in turn, is determined by the position of the swash plate. Maximum flow is achieved at an angle of degrees. The Series PV rotating barrel, driven by the prime mover, moves the pistons in a circular path and the piston slippers are supported hydrostatically against the face of the swash plate. When the swash plate is in a vertical position, perpendicular to the centerline of the piston barrel, there is no piston stroke and consequently no fluid displacement. When the swash plate is positioned at an angle, the pistons are forced in and out of the barrel and fluid displacement takes place. The greater the angle of the swash plate, the greater the piston stroke. SERVO PISTON OUTLET BIAS SPRING DRIVE SHAFT INLET PISTON CYLINDER BARREL SWASH PLATE FIGURE 1 5

6 Catalog HY28-6/NA Control Options Compensated Control ( C ) The swash plate angle controls the output flow of the pump. Swash plate angle is generated by the hydraulic force of the pumping pistons and the mechanical force of the swash plate bias spring. Control of the pumpís outlet flow is obtained by overriding the force of the pumping pistons and bias spring with the hydraulic force of the servo piston by means of internal porting. is connected from the outlet port to the servo piston via a compensator spool. The compensator spool is held against the spring guide by the outlet pressure. When the outlet pressure reaches the setting of the compensator control, the compensator spool moves, allowing outlet pressure oil to be metered into the servo piston. This metered oil Series PV provides adequate force to power the servo piston and override swash plate forces. The outlet pressure causes the servo piston to move which reduces the angle of the swash plate and thereby reduces the pumpís output flow. When flow is again demanded by the system, the outlet pressure will momentarily fall allowing the compensator spool to move. This movement closes off the outlet pressure to the servo piston and vents the servo piston to case. The result of this venting allows the swash plate forces to move the swash plate angle to maximum displacement, thus responding to the demand for additional flow. Note that the compensator spring chamber is vented to the pump case via a hole internal to the compensator spool. PV SERIES STANDARD PRESSURE COMPENSATOR CONTROL OPTION "C" OUTLET PORT +Q -Q INLET PORT CASE DRAIN PORT SERVO PISTON OUTLET PORT INLET PORT PISTON FIGURE 2 6

7 Catalog HY28-6/NA Control Options Remote Control (F) The pump swash plate actuation is identical to the standard pressure compensator but can be controlled via a remote pressure control. Remote control of the pump output pressure can be achieved by controlling the pressure at port A, Figure 3 on the compensator. is metered through the orifice in the spool from outlet pressure into the spring chamber. The spring chamber pressure is limited by an external relief connected to port A. The controlled pressure at port A is sensed at the differential spring chamber. The compensator spool will move to the right when the pump outlet pressure reaches a force equal to the differential spring setting plus the controlled port Series PV pressure setting. When the spool moves to the right, outlet pressure oil is metered to the servo piston and the pump swash plate angle is controlled accordingly. With this option the pump outlet pressure can be controlled and varied from a remote location. This control also incorporates a pressure limiting feature preset at the factory. When the pressure in the differential spring chamber reaches the maximum relief setting, the dart unseats allowing the spring chamber to vent to the pump case and limits the maximum pressure attainable. "A" PORT PV SERIES REMOTE PRESSURE COMPENSATOR CONTROL OPTION "F" OUTLET PORT ("A" PORT) REMOTE PORT +Q -Q INLET PORT CASE DRAIN PORT SERVO PISTON OUTLET PORT INLET PORT PISTON FIGURE 3 7

8 Catalog HY28-6/NA Control Options Control (Load Sensing) (L) Figure 4 shows a PV pump with flow control. The control is identical to the remote pressure compensation control except for an integral orifice, a solid compensator spool and adjustable differential pressure control. Port A is connected downstream of an orifice (variable or fixed) to sense the actual working pressure required. This pressure plus the differential spring force act on the right side of the compensator spool and will urge the Series PV spool to the left until output pressure acting on the left side of the spool balances the forces. As the load increases, output pressure will increase and maintain a constant differential pressure across the orifice and thus a constant flow. Maximum pressure is limited by the internal dart setting. This setting is adjustable up to the maximum preset at the factory. PV SERIES PRESSURE AND LOAD SENSE COMPENSATOR CONTROL OPTION "L" VARIABLE OR FIXED ORIIFICE OUTLET PORT SENSE LINE SENSE PORT ORIFICE +Q -Q REMOTE PORT SIGNAL LINE PORT A INLET PORT CASE DRAIN PORT ORIFICE COMPENSATOR SPOOL MAX. PRESSURE ADJUSTMENT DIFFERENTIAL SPRING CHAMBER DIFFERENTIAL ADJUSTMENT VARIABLE OR FIXED ORIFICE SERVO PISTON SYSTEM PRESSURE OUTLET PORT INLET PORT PISTON FIGURE 4 8

9 Catalog HY28-6/NA Control Options Series PV & Power Control (J or K) This control option is a Torque Limiting Control, but for constant speed applications it is generally referred to as a Horsepower Control. This control works in conjunction with the Remote Compensator, control option "F". A second pressure control device called a horsepower control block, is assembled to the main pump housing. The HP block is plumbed to one of the ports on the remote compensator via steel tubing. The control dart in the HP block and the maximum pressure compensator dart in the remote compensator are connected in parallel. What makes the control dart in the HP block different from any other external relief valve is the pressure setting is mechanically linked to the pump swashplate angle. The cracking pressure of the HP dart is generally lower than the cracking pressure of the remote compensator dart. When the HP dart opens the pressure in the differential spring cavity is lowered allowing the compensator spool to meter system pressure in the servo piston. As the servo piston extends, it rotates the swashplate and in turn rotates the HP cam. As the cam rotates it increases the force on the HP dart control spring. As the system pressure is allowed to increase, the pump gradually reduces its stroke (flow). When the system pressure reaches the setting of the maximum pressure dart the normal action of the remote compensator takes over. If the HP control is set low enough, the pump may reach zero stroke before the system pressure ever gets a chance to open the maximum compensator dart. This should be considered when making low power settings on systems requiring high working pressures. PV SERIES PRESSURE AND POWER COMPENSATOR CONTROL OPTION "J or K" OUTLET PORT REMOTE PORT +Q -Q INLET PORT CASE DRAIN PORT SERVO PISTON OUTLET PORT INLET PORT PISTON SHOWN AT FULL STROKE. CAM WILL ROTATE CW AS PUMP GOES TOWARD ZERO STROKE. FIGURE 5 9

10 Catalog HY28-6/NA Control Options Series PV, Power & Control (V or W) Refer to the previous section(s) on Control and Power Control. This is another case where multiple controls can be combined in parallel. Since the Power Control is just a special version of Remote Control, it can be combined with the Control (Load Sense) option. The main point to remember here is that the pressure drop which is required to begin and maintain compensation comes from an external device (such as a proportional valve). This sensed pressure drop will control flow until one of the limits of the other controls has been exceeded. The pump will always respond to the lowest control setting for any given pressure. In addition to Load Sensing, Power Control, and on-pump Control, Remote Control can also be included in this parallel device package. There is a remote port on the compensator body and one on the HP Control body, either of which may be used for remote pressure control. The important concept to remember in load sense circuits is that each pressure control device in and connected to the compensator must be protected from saturation. For this reason, use only the uppermost port on the compensator for connection of the load sense line and insure that an appropriate orifice is installed. All control options using a load sense compensator spool are supplied with this orifice. PV SERIES PRESSURE, LOAD SENSE AND POWER COMPENSATOR CONTROL OPTION "V or W" SENSE LINE OUTLET PORT SENSE PORT SIGNAL LINE +Q -Q REMOTE PORT ORIFICE COMPENSATOR SPOOL MAX. PRESSURE ADJUSTMENT DIFFERENTIAL SPRING CHAMBER INLET PORT CASE DRAIN PORT VARIABLE OR FIXED ORIFICE DIFFERENTIAL ADJUSTMENT SERVO PISTON SYSTEM PRESSURE OUTLET PORT INLET PORT PISTON SHOWN AT FULL STROKE. CAM WILL ROTATE CW AS PUMP GOES TOWARD ZERO STROKE. FIGURE 6 1

11 Catalog HY28-6/NA Technical Information Series PV6 Performance Information Series PV6 Compensated, Variable Volume, Piston Pump Features High Strength Cast-Iron Housing for Reliability and Quiet Operation Vickers Porting Interchange Optional Inlet/Outlet Locations for Ease of Installation Replaceable Bronze Port Plate Replaceable Piston Slipper Plate Thru-Shaft Capability SAE A Pilots Offered Low Noise Levels Fast Response Times Controls Compensation Load Sensing Horsepower Limiting Horsepower and Load Sensing Remote Compensation Adjustable Maximum Volume Stop Schematic Symbol (Basic Pump) Specifications Ratings Outlet Port: 248 bar (36 PSI) Continuous (P1) 31 bar (45 PSI) Peak (P3) Inlet Port: 1.72 bar (25 PSI) Maximum.17 bar (5 In. Hg.) Vacuum 18 RPM (See inlet chart for other speeds) Speed Ratings: 6 to 3 RPM Operating Temperature Range: -4 C to 71 C (-4 F to 16 F) Housing Material: Cast-Iron Filtration: Maintain SAE Class 4, ISO 16/13, ISO 18/15 Maximum Mounting: SAE "A" Flange Mount Installation Data: See page 41 of this catalog for specific recommendations pertaining to system cleanliness, fluids, start-up, inlet conditions, shaft alignment, drain line restrictions and other important factors relative to the proper installation and use of these pumps. Quick Reference Data Chart Pump Delivery Approx. Noise Levels db(a) Input Power At Displacement 21 bar (3 Full 18 RPM (12 RPM) 18 RPM, Max. cc/rev Model in LPM (GPM) (In 3 /rev) 34 bar bar bar 27 bar 248 bar Displacement & 12 RPM 18 RPM (5 PSI) (1 PSI) (2 PSI) (3 PSI) (36 PSI) 248 bar (36 PSI) PV (1.) 19.7 (5.2) 29.5 (7.8) 53 (47) 55 (5) 59 (54) 62 (56) 65 (59) 13.1 kw (17.5 hp) Measured in an anechoic chamber to DIN 45635, measuring error + 2 db(a). Fluid used: petroleum oil to ISO VG 46; temperature = 5 C (122 F). Since many variables such as mounting, tank style, plant layout, etc., effect noise levels, it cannot be assumed that the above readings will be equal to those in the field. The above values are for guidance in selecting the proper pump. 11

12 Catalog HY28-6/NA Ordering Information Series PV6 PV 6 2 R 1 E W A B NP Pump Variable Piston Displacement Shaft Rotation Seals Design Control Option Volume Stop Option Port & Flange Size Thru-Shaft Option Multiple Pumps Paint Type PV PVT CM 3 /REV (In 3 /Rev.) Range (1.) bar (25-36 PSI) * Minimum value of pressure range only applies on control option ìcî code. NP PB Painting No Paint Paint Shaft Option Pilot 2 3/4" Keyed SAE "A" 1 13T Spline (SAE B) SAE "A" Multiple Pumps Single Pump 1 Pump Factory Mounted on Rear Rotation* R CW L CCW * Viewed from shaft end. Thru-Shaft Options No Thru-Shaft A A SAE "A" Pilot / SAE "A" 9T Spline A B SAE "A" Pilot / SAE "A" 13T Spline S Thru with Cover Seals 1 Buna-N 5 Viton Type Ports Location E Design Series SAE Rear - Straight Thread 2 BSPP Rear - Straight Thread 3 SAE Side - Flange 4 BSPP Side - Flange (Metric Threads) C Control Options Compensated F* Remote (Master) L Load Sense & J or K HP Control - Single Ramp V or W HP + Load Sense Combined * "F" (May be remotely controlled) Volume Stop Options Adj. Maximum Volume Stop 12

13 Catalog HY28-6/NA Performance Data Series PV6 Typical Performance Data - Fluid: Standard Hydraulic Oil 1 49 C (12 F) Efficiency - % LPM GPM RPM Volumetric Efficiency Overall Efficiency Efficiency - % LPM GPM RPM Volumetric Efficiency Overall Efficiency KW 14.9 HP KW 14.9 HP Bar PSI Input Power at Full Compensated Power Power Bar PSI Input Power at Full Compensated Power Power NOTE: The efficiencies and data in the graph are nominal values and good only for pumps running at 18 RPM and stroked to maximum. To calculate approximate horsepower for the other conditions, use the following formula: [ ] HP = Q x (PSI) + (CHp) 1714 Actual GPM is directly proportional to drive speed and maximum volume setting. loss, however, is a function of pressure only. WHERE: Q = Actual Output in GPM PSI = At Pump Outlet CHp = Input Full 18 RPM (from graph read at operating pressure) Inlet Vacuum PV6 Inlet Characteristics at Full Displacement bar PSI bar In-Hg (Graph only valid at sea level) Recommended Operating Condition DO NOT OPERATE IN THIS REGION Shaft Speed - RPM Max. Displacement LPM GPM vs. Speed Shaft Speed - RPM 13

14 Catalog HY28-6/NA Performance Data Series PV6 Typical Performance Data - Fluid: Standard Hydraulic Oil 1 49 C (12 F) LPM 22.7 GPM 6 12 RPM Power Control N m In-Lbs LPM 3.3 GPM 8 18 RPM N m In-Lbs Full Torque Bar PSI 2 2 HP 1 3 HP 5 HP HP 1 HP RPM Torque Full Torque Bar PSI Response Times HP 3 HP 1 5 HP 7.5 HP 2 1 HP 15 HP RPM Torque Time (millisec) On-Stroking Time (millisec) On-Stroking 5 25 De-Stroking 5 25 De-Stroking Bar PSI Bar PSI PV6 Approximate Case 18 RPM LPM GPM Bar PSI Remote Comp - Zero Stroke Standard Comp - Zero Stroke 1 2 Full Power KW HP Bar PSI PV6 Compensated 18 RPM

15 Catalog HY28-6/NA Dimensional Data Series PV6 Rear Ported Pump Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTE: Illustration shows Righthand (CW) rotation pump. Lefthand (CCW) pumps will have inlet and outlet ports reversed with compensator on outlet side. Pilot Option OMIT Pilot Dimensions A C D N/A (1.26) (6.82) ROTATION ARROW IN (4.25) (1.56) CASE DRAIN PORT SAE-6 STRAIGHT THREAD (9/16-18 UNC) NAMEPLATE 19.5 (.75) Ø19.2 (.749) N m (1,3 IN-LBS) MAX TORQUE (3.54) (2.62) (3.54) (2.62) (3.32) (2.28) Ø (3.25) 82.5 (3.248) A ALTERNATE DRAIN PORT OR CASE PRE-FILL PORT SAE-6 STRAIGHT THREAD (9/16-18 UNC) Top View 12.7 (.5).8 (2.72) 6.9 (.24) (1.75) INLET PORT SAE-12 STRAIGHT THREAD O-RING PORT (1-1/16-12 UN-2B REF.) Rear View C C OUTLET PORT SAE-12 STRAIGHT THREAD O-RING PORT (1-1/16-12 UN-2B REF.) (6.88) (.89) REF (2.9) 44.2 (1.74) 53.9 (2.9) COMPENSATED PRESSURE ADJUSTMENT 37.9 BAR (55 PSI) PER TURN 4.78 (.188) SAE KEY (3.71) (3.11) (3.62) (3.54) (.833) 2.98 (.826) (2.42) 6.35 (.25) FLAT (7.86) MAX. D Side View CLEARANCE FOR 3/8" MOUNTING BOLTS Front View ADJ. MAX. VOLUME STOP (1.6 CC/REV/TURN) 15

16 Catalog HY28-6/NA Dimensional Data Side Ported Option 3 Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTE: Illustration shows Righthand (CW) rotation pump. Lefthand (CCW) pumps will have inlet and outlet ports reversed with compensator on outlet side. Series PV6 Port Size Type and Location Option A Inlet and Outlet Ports Drain Port 3 3/4" SAE 4-Bolt Flange SAE-6 Straight Thread 3/8-16 Thread (5.86) (9/16-18UNC) Std PSI Series ( 61) ROTATION ARROW (4.25) (1.56) (3.54) (2.66) (3.54) (2.66) IN NAMEPLATE 19.5 (.75) Ø19.2 (.749) (3.32) (2.28) ALTERNATE DRAIN PORT OR CASE PRE-FILL PORT SEE TABLE FOR SIZE Top View 12.7 (.5).8 (2.72) 6.9 (.24) (1.75) CASE DRAIN PORT SEE TABLE FOR SIZE INLET PORT Rear View OUTLET PORT (6.91) (.89) REF (2.9) 44.2 (1.74) 53.9 (2.9) COMPENSATED PRESSURE ADJUSTMENT 37.9 BAR (55 PSI) PER TURN 4.78 (.188) SAE KEY (3.71) (3.11) (3.54) (3.62) (.833) 2.98 (.826) (2.42) 6.35 (.25) FLAT 21.6 (8.27) MAX. A Side View CLEARANCE FOR 3/8" MOUNTING BOLTS Front View ADJ. MAX.VOLUME STOP (1.6 CC/REV/TURN) 16

17 Catalog HY28-6/NA Dimensional Data Series PV6 Side Ported Option 4 Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTE: Illustration shows Righthand (CW) rotation pump. Lefthand (CCW) pumps will have inlet and outlet ports reversed with compensator on outlet side. Shaft Option 2 Pilot Dimensions A B C D 82.55/ (3.25/3.248) (.24) (2.9) 3/8" ROTATION ARROW (4.25) (1.56) CASE DRAIN PORT OPTION 4 3/8" BSPP (3.54) (2.66) (3.54) (2.66) IN NAMEPLATE 19.5 (.75) Ø19.2 (.749) (3.32) (2.28) A ALTERNATE DRAIN PORT OR CASE PRE-FILL PORT OPTION 4 3/8" BSPP Top View 12.7 (.5).8 (2.72) B (1.75) INLET PORT Rear View OUTLET PORT (6.91) (.89) REF. C 44.2 (1.74) C 3/4" SAE 4-BOLT FLANGE - M1 X 1.5 THREADS STANDARD PRESSURE SERIES (CODE 61) BOTH SIDES COMPENSATED PRESSURE ADJUSTMENT 37.9 BAR (55 PSI) PER TURN 4.78 (.188) SAE KEY (.833) 2.98 (.826) (3.71) (3.11) (2.42) (3.54) (3.62) 6.35 (.25) FLAT 21.6 (8.27) MAX (5.86) Side View CLEARANCE FOR D MOUNTING BOLTS Front View ADJ. MAX.VOLUME STOP (1.6 CC/REV/TURN) 17

18 Catalog HY28-6/NA Dimensional Data Thru-Shaft Pump Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTES: 1. Righthand (CW) rotation pump shown above. Counterclockwise (CCW) pump will have inlet and outlet ports reversed with the compensator over the outlet port. 2. The maximum torque transmitting capacity for rear mounting of pumps is limited by the allowable torque of the input shaft. 3. Options 6A2, 6A4, 9A2 and 9A4 Design Series 12 have a gasket. All other options incorporate an o-ring seal and have an o-ring groove. Series PV6 Port Size Type and Location Option A Inlet and Outlet Ports Drain Port 3 3/4" SAE 4-Bolt Flange SAE-6 Straight Thread 3/8-16 Thread (5.86) (9/16-18UNC) Std PSI Series ( 61) /4" SAE 4-Bolt Flange (5.86) M1 Thread Std PSI Series ( 61) 3/8" - BSPP (6.91) REF. TO PILOT FACE 8.89 (.35) 13.5 N m (12 IN-LB) TORQUE 3 ROTATION ARROW IN (4.25) (1.56) CASE DRAIN PORT SEE TABLE FOR SIZE NAMEPLATE 19.5 (.75) Ø19.2 (.749) D (3.25) Ø82.5 (3.248) THRU-SHAFT WITHOUT FLANGE OPTION 6T & 9T (2.66) C (2.66) C G E Top View 12.7 (.5) 6.9 (.24) (1.75) (3.32) COMPENSATED PRESSURE ADJUSTMENT 37.9 BAR (55 PSI) PER TURN 4.78 (.188) SAE KEY (.833) 2.98 (.826) INLET PORT OUTLET PORT F Rear View Dimensions Thru Shaft Options H A Side View VARIATION C D E F G H 6A (1.63) 5.83/5.85 (2.1/2.2) (2.27) 5/16ñ18UNCñ2B 12.5 x 3.18 (.5 x.125) Key 2.91 (7.91) 6A (2.9) 82.58/82.6 (3.251/3.252) 64.1 (2.52) 3/8ñ16UNCñ2B 19.5 x 4.76 (.75 x.188) Key (8.16) 6A (2.9) 82.58/82.6 (3.251/3.252) N/A 3/8ñ16UNCñ2B 9 Tooth 16/32 Pitch (8.16) 9A (2.9) 82.58/82.6 (3.251/3.252) 64.1 (2.52) M1 x x 4.76 (.75 x.188) Key (8.16) 18

19 Catalog HY28-6/NA Dimensional Data Series PV6 Remote Compensator Control Pump Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTES: 1. Righthand (CW) rotation pump shown below. Lefthand (CCW) pumps will have compensator on opposite side. 2. When controlling pump compensator pressure with remote relief valve, remote relief valve must be capable of passing 1.89 LPM (.5 GPM). 3. Remote compensator option "F" & "L" available on pumps with any port location. ROTATION ARROW NAMEPLATE DRAIN PORT SAE-6 STRAIGHT THREAD O-RING PORT (9/16-18UNF-2B) IN (2.59) (1.74) (2.59) INTERNAL ORIFICE INSTALLED ON OPTIONS L & V/W REMOTE CONTROL PORT SAE-4 STRAIGHT THREAD O-RING PORT (7/16-2UN-2B REF) (4.4) Top View ADAPTOR FITTING SUPPLIED WITH 4 OPTION 1/4" BSPP (.9) (5.14) REF (5.14) 25.4 (1.) (3.6) (2.1) REF (1.8) REF. FOR F, L, J/K & V/W OPTION FOR L & V/W OPTION COMPENSATED PRESSURE ADJUSTMENT 64.8 BAR (94 PSI) PER TURN DIFFERENTIAL ADJUSTMENT (INCLUDED ON L & V/W OPTION) 27.5 BAR (4 PSI) PER TURN CL OF PUMP (5.14) Side View Front View 19

20 Catalog HY28-6/NA Dimensional Data Series PV6 Power (Torque) Control Pump Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTES: 1. Righthand (CW) rotation rear ported pump shown. Counterclockwise (CCW) pumps will have inlet and outlet ports reversed with compensator and power block on outlet side. 2. Power control shown on rear ported pump. Also available on side ported or thru-shaft option pumps. 3. See page 14 for power control performance characteristics. IN SAE-4 STRAIGHT THREAD PORT FOR REMOTE PRESSURE LIMITING IF DESIRED (CONTROL OPTION J/K ) OR LOAD SENSE PORT (CONTROL OPTION V/W ) (4.41) Top View TORQUE LIMIT ADJUSTMENT CONTROL OPTION J/K SENSITIVITY APPROX N m (19 IN-LB) PER TURN (4.6) (1.74) OPTIONAL REMOTE PRESSURE COMPENSATOR SIGNAL PORT ON J/K OR V/W OPTION PUMPS (SAE-4 STRAIGHT THREAD PORT) DO NOT USE THIS PORT FOR LOAD SENSE SIGNAL (5.35) (1.17) Side View Front View 2

21 Catalog HY28-6/NA Technical Information Series PV 1/15 Performance Information Series PVP 1/15 Compensated, Variable Volume, Piston Pumps Features High Strength Cast-Iron Housing for Reliability and Quiet Operation Vickers Porting Interchange Optional Inlet/Outlet Locations for Ease of Installation Replaceable Bronze Port Plate Replaceable Piston Slipper Plate Thru-Shaft Capability SAE A and B Pilots Offered Low Noise Levels Fast Response Times Controls Compensation Load Sensing Horsepower Limiting Horsepower and Load Sensing Remote Compensation Adjustable Maximum Volume Stop Schematic Symbol (Basic Pump) Specifications Ratings Outlet Port: 248 bar (36 PSI) Continuous (P1) 31 bar (45 PSI) Peak (P3) Inlet Port: 1.72 bar (25 PSI) Maximum.17 bar (5 In. Hg.) Vacuum 18 RPM (See inlet chart for other speeds) Speed Ratings: 6 to 3 RPM Operating Temperature Range: -4 C to 71 C (-4 F to 16 F) Housing Material: Cast-Iron Filtration: Maintain SAE Class 4, ISO 16/13, ISO 18/15 Maximum Mounting: SAE "B" or Flange Mount Installation Data: See page 41 of this catalog for specific recommendations pertaining to system cleanliness, fluids, start-up, inlet conditions, shaft alignment, drain line restrictions and other important factors relative to the proper installation and use of these pumps. Quick Reference Data Chart Pump Model Displacement cc/rev (In 3 /rev) Pump Delivery Approx. Noise Levels db(a) Input Power 21 bar (3 Full 18 RPM (12 RPM) 18 RPM, Max. in LPM (GPM) 34 bar bar bar 27 bar 248 bar Displacement & 12 RPM 18 RPM (5 PSI) (1 PSI) (2 PSI) (3 PSI) (36 PSI) 248 bar (36 PSI) PV1 23. (1.4) 28. (7.4) 42. (11.1) 61 (57) 64 (59) 67 (63) (65) 7 (65) 19.7 kw (26.5 hp) PV (2.) 39.4 (1.4) 59. (15.6) 64 (59) 66 (59) 68 (62) 7 (64) 71 (65) 27.2 kw (36.5 hp) Measured in an anechoic chamber to DIN 45635, measuring error + 2 db(a). Fluid used: petroleum oil to ISO VG 46; temperature = 5 C (122 F). Since many variables such as mounting, tank style, plant layout, etc., effect noise levels, it cannot be assumed that the above readings will be equal to those in the field. The above values are for guidance in selecting the proper pump. 21

22 Catalog HY28-6/NA Ordering Information Series PV 1/15 PV 1 2 R 1 E W A B NP Pump Variable Piston Displacement Shaft Rotation Seals Design Control Option Volume Stop Option Port & Flange Size Thru-Shaft Option Multiple Pumps Paint Type PV PVT CM 3 /REV (In 3 /Rev.) Range 1 23 (1.4) bar (25-36 PSI) (2.) bar (25-36 PSI) * Minimum value of pressure range only applies on control option ìcî code. NP PB Painting No Paint Paint Shaft Option Pilot 2 7/8" Keyed SAE "B" 1 13T Spline (SAE B) SAE "B" Multiple Pumps Single Pump 1 Pump Factory Mounted on Rear Rotation* R CW L CCW * Viewed from shaft end. Thru-Shaft Options /S No Thru-Shaft A A SAE "A" Pilot / 9T Spline A B SAE "A" Pilot / 13T Spline B B SAE "B" Pilot / 13T Spline B Q SAE "B" Pilot / 15T Spline Seals 1 Buna-N 5 Viton Type Ports Location E Design Series SAE Rear - Straight Thread 2 BSPP Rear - Straight Thread 3 SAE Side - Flange 4 BSPP Side - Flange (Metric Threads) C Control Options Compensated F* Remote (Master) L Load Sense & J or K HP Control - Single Ramp V or W HP + Load Sense Combined * "F" (May be remotely controlled) Volume Stop Options Adj. Maximum Volume Stop 22

23 Catalog HY28-6/NA Performance Data Series PV 1/15 Typical Performance Data - Fluid: Standard Hydraulic Oil 1 49 C (12 F) 1 LPM 75.7 GPM 2 PV 18 RPM Volumetric Efficiency 1 LPM 75.7 GPM 2 PV 18 RPM Volumetric Efficiency Efficiency - % Bar PSI 1 Overall Efficiency Input Power at Full Compensated Power KW HP Power Efficiency - % Bar PSI 1 Overall Efficiency Input Power at Full Compensated Power KW HP Power NOTE: The efficiencies and data in the graph are good only for pumps running at 18 RPM and stroked to maximum. To calculate approximate horsepower for the other conditions, use the following formula: [ ] HP = Q x (PSI) + (CHp) 1714 Actual GPM is directly proportional to drive speed and maximum volume setting. loss, however, is a function of pressure only. WHERE: Q = Actual Output in GPM PSI = At Pump Outlet CHp = Input Full 18 RPM (from graph read at operating pressure) LPM GPM vs. Speed Inlet Vacuum PV 1/15 Inlet Characteristics at Full Displacement bar PSI bar In-Hg (Graph only valid at sea level) Recommended Operating Condition DO NOT OPERATE IN THIS REGION Max. Displacement PVP 33 PVP Shaft Speed - RPM Shaft Speed - RPM 23

24 Catalog HY28-6/NA Performance Data Series PV 1/15 Typical Performance Data - Fluid: Standard Hydraulic Oil 1 49 C (12 F) PV 18 RPM LPM GPM N m In-Lbs Power Control PV 18 RPM LPM GPM N m In-Lbs Bar PSI 12 Full Torque HP 1 HP 2 15 HP 2 HP PV 12 RPM Torque Bar PSI Response Times Full Torque HP 1 HP 15 HP 2 2 HP 25 HP 3 HP 27 3 PV 18 RPM Torque 1 1 Time (millisec) On-Stroking De-Stroking Time (millisec) De-Stroking On-Stroking Bar PSI PV 1/15 Approximate Case 18 RPM LPM GPM Bar PSI KW HP PV 1/15 Compensated 18 RPM Bar PSI Remote Comp - Zero Stroke Standard Comp - Zero Stroke 1 2 Full Power Bar PSI

25 Catalog HY28-6/NA Dimensional Data Series PV 1/15 Rear Ported Pump Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTES: 1. Righthand (CW) rotation pump shown. Lefthand (CCW) pumps have inlet and outlet ports reversed. 2. Pump shown with standard pressure compensator (control option "C") (4.84).9 (2.72) (1.65) PRESSURE COMPENSATOR ADJUSTMENT SENSITIVITY: 37.9 BAR (55 PSI) PER TURN (4.22) 76.2 (3.) (1.31) (4.22) 76.2 (3.) (1.31) (1.5) 11.6 (4.) Ø (3.998) (2.1) (.94) (1.95) DRAIN PORT SAE-8 STRAIGHT THREAD O-RING PORT (3/4-16UNF-2B REF.) Top View 38.1 (1.5) 9.4 (.37) 12.7 (.5) (2.31) SHAFT OPTION 2 (SAE B ) Ø (.875) 22.2 (.874) MAX TORQUE 28.6 N m (1,852 IN-LBS) INLET PORT SAE-2 STRAIGHT THREAD O-RING PORT (1-5/8-12UN-2B REF) Rear View IN OUT OUTLET PORT SAE-2 STRAIGHT THREAD O-RING PORT (1-5/8-12UN-2B REF) ALTERNATE DRAIN PORT SAE-8 STRAIGHT THREAD O-RING PORT (3/4-16UNF-2B REF.) ROTATION ARROW (7.56) (1.67) REF Ø (2.5).25 SAE KEY (3.25) 72.9 (2.87) (.85) 72.9 (2.87) (4.4) (3.48) 3.81 (.15) Side View (8.73) MAX (1.94) 25.6 (.987) (.981) CLEARANCE FOR 1/2" MOUNTING BOLTS ALTERNATE DRAIN PORT SAE-8 STRAIGHT THREAD O-RING PORT (3/4-16UN-2B REF) Ø (1.5) Front View (2.8) (3.3) 79.5 (3.13) ADJ. MAX.VOLUME STOP (3.3CC/REV./TURN) 25

26 Catalog HY28-6/NA Dimensional Data Series PV 1/15 Side Ported Option 3 Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTES: 1. Righthand (CW) rotation pump shown. Lefthand (CCW) pumps have inlet and outlet ports reversed. 2. Pump shown with standard pressure compensator (control option "C"). Port Location Option A Inlet and Outlet Port (3.1) 1-1/4" SAE 4-Bolt Flange 7/16-14 Threads Standard Series ( 61) (.85) (4.84).9 (2.72) (1.65) PRESSURE COMPENSATOR ADJUSTMENT SENSITIVITY: 37.9 BAR (55 PSI) PER TURN 11.6 (4.) Ø (3.998) (4.22) A (4.22) A (1.5) (3.25) (2.1) IN OUT (.94) DRAIN PORT SAE-8 STRAIGHT THREAD (3/4-16UN) Top View 38.1 (1.5) 9.4 (.37) 12.7 (.5) (2.31) SHAFT OPTION 2 (SAE B ) Ø (.875) 22.2 (.874) MAX TORQUE 28.6 N m (1,852 IN-LBS) Rear View ROTATION ARROW (8.49) (1.67) REF (2.87) (.85) 72.9 (2.87) 63.5 Ø (2.5).25 SAE KEY (3.25) (4.4) (3.48) 3.81 (.15) (8.73) MAX (6.87) (1.94) Side View 25.6 (.987) (.981) CLEARANCE FOR 1/2" MOUNTING BOLTS DRAIN PORT SAE-8 STRAIGHT THREAD (3/4-16UN) Ø (1.5) Front View (2.8) (3.3) 79.5 (3.13) ADJ. MAX.VOLUME STOP (3.3CC/REV./TURN) 26

27 Catalog HY28-6/NA Dimensional Data Series PV 1/15 Side Ported Option 9 Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTES: 1. Righthand (CW) rotation pump shown. Lefthand (CCW) rotation pump will have inlet and outlet ports reversed. 2. Pump shown with standard pressure compensator (control option "C"). Shaft Option 2, 1 Pilot Dimensions A B C D 11.6/ (4./3.998) (.37) (2.87) (.5) (4.84).9 (2.72) (1.65) PRESSURE COMPENSATOR ADJUSTMENT SENSITIVITY: 37.9 BAR (55 PSI) PER TURN (4.22) (3.1) (4.22) (3.1) (1.5) (.85) A IN OUT (2.1) (.94) (.875) Ø 22.2 (.874) DRAIN PORT OPTION 4 1/2" BSPP Top View 38.1 (1.5) B 12.7 (.5) (2.31) Rear View ROTATION ARROW 1-1/4" SAE 4-BOLT FLANGE M1 X 1.5 THREADS STANDARD PRESSURE SERIES (CODE 61) BOTH SIDES (8.49) (1.67) REF. C (.85) C 63.5 Ø (2.5).25 SAE KEY (3.25) (4.4) (3.48) 3.81 (.15) (6.87) (8.73) MAX (1.94) Side View ADJ. MAX.VOLUME STOP (3.3CC/REV./TURN) 25.6 (.987) (.981) CLEARANCE FOR D MOUNTING BOLTS ALTERNATE DRAIN OPTION 4 1/2" BSPP Ø (1.5) Front View (2.8) (3.3) 79.5 (3.13) 27

28 Catalog HY28-6/NA Dimensional Data Series PV 1/15 Thru-Shaft Pump Dimensions * Inch equivalents for millimeter dimensions are shown in (**) N m (12 IN-LB) TORQUE NOTES: 1. Righthand (CW) rotation side ported pump shown. Lefthand (CCW) pump will have inlet and outlet ports reversed. 2. Install coupler on shaft of rear pump to dimension shown then lock down coupler using set screws. 3. Options, 6A2, 6A4, 9A4 and 9A5 Design Series 2 have a gasket seal, all other thru-shaft options incorporate an o-ring seal and have an o-ring groove. 4. Maximum torque transmitting capacity 29 Nïm (185 in-lbs). E 2 F G Top View A C C (6.87) (8.14) Rear View B D Side View Thru-Shaft Options Variation A B C D E F G 6A (9.14) 5.83/5.85 (2.1/2.2) (1.63) 5/16-18UNC-2B 12.7 x 3.18 (.5 x.125) Key 38.1 (1.5).9 (2.72) 6A (9.39) 82.58/82.6 (3.251/3.252) (2.9) 3/8-16UNC-2B 19.5 x 4.76 (.75 x.188) Key (1.75) (2.97) 6A (9.39) 82.58/82.6 (3.251/3.252) (2.9) 3/8-16UNC-2B 9 Tooth 16/32 Pitch (1.25) N/A 6A (9.39) 82.58/82.6 (3.251/3.252) (2.9) 3/8-16UNC-2B 11 Tooth 16/32 Pitch (1.25) N/A 6B (9.94) 11.63/11.65 (4.1/4.2) 73.3 (2.88) 1/2-13UNC-2B x 6.35 (.875 x.25) Key (2.31) (3.52) 6B (9.94) 11.63/11.65 (4.1/4.2) 73.3 (2.88) 1/2-13UNC-2B 25.4 x 6.35 (1. x.25) Key (1.81) (3.52) 6B (9.94) 11.63/11.65 (4.1/4.2) 73.3 (2.88) 1/2-13UNC-2B 13 Tooth 16/32 Pitch (1.62) N/A 6B (9.94) 11.63/11.65 (4.1/4.2) 73.3 (2.88) 1/2-13UNC-2B 15 Tooth 16/32 Pitch (1.81) N/A 9A (9.39) 82.58/82.6 (3.251/3.252) (2.9) M1 x Tooth 16/32 Pitch (1.25) N/A 9A (9.39) 82.58/82.6 (3.251/3.252) (2.9) M1 x Tooth 16/32 Pitch (1.25) N/A 9B (9.94) 11.63/11.65 (4.1/4.) 73.3 (2.88) M12 x Tooth 16/32 Pitch (1.62) N/A 9B (9.94) 11.63/11.65 (4.1/4.) 73.3 (2.88) M12 x Tooth 16/32 Pitch (1.81) N/A 28

29 Catalog HY28-6/NA Dimensional Data Series PV 1/15 Remote Compensator Control Pump Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTES: 1. Righthand (CW) rotation rear ported pump shown. Lefthand (CCW) pumps will have inlet and outlet ports reversed. 2. When controlling pump compensator pressure with remote relief valve, size relief valve to pass a minimum of 1.89 LPM (.5 GPM). 3. Remote compensator shown on rear ported pump. Also available on side ported or thrushaft option pumps (4.84) INTERNAL ORIFICE INSTALLED ON CONTROL OPTION L (.85) REMOTE CONTROL PORT SAE-4 STRAIGHT THREAD O-RING PORT (7/16-2UNF-2B REF.) 1/4" BSPP DRAIN PORT SAE-8 STRAIGHT THREAD O-RING PORT (3/4-16UNF-2B REF.) Top View ADAPTOR FITTING SUPPLIED WITH 4 OPTION (.9) (5.51) REF 72.9 (2.87) (.85) (5.51) 25.4 (1.) (3.43) (2.57) PRESSURE COMPENSATOR ADJUSTMENT: 64.8 BAR (94 PSI) PER TURN DIFFERENTIAL PRESSURE ADJUSTMENT SENSITIVITY: 27.5 BAR (4 PSI) PER TURN (INCLUDED ON L CONTROL OPTION) ROTATION ARROW Side View Front View 29

30 Catalog HY28-6/NA Dimensional Data Series PV 1/15 Power (Torque) Control Pump Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTES: 1. Righthand (CW) rotation rear ported pump shown. Lefthand (CCW) pumps will have inlet and outlet ports reversed. 2. Power control shown on rear ported pump. Also available on side ported or thrushaft option pumps. 3. See page 24 for power control performance characteristics. OPTIONAL REMOTE PRESSURE COMPENSATOR SIGNAL PORT ON J/K OR V/W OPTION PUMPS (SAE-4 STRAIGHT THREAD PORT) DO NOT USE THIS PORT FOR LOAD SENSE SIGNAL (.84) (1.65) (4.17) POWER CONTROL ADJUSTMENT CONTROL OPTION J/K SENSITIVITY: APPROXIMATELY 22.5 N m (2 IN-LB) PER TURN Top View (2.93) (4.83) SAE-4 STRAIGHT THREAD O-RING PORT (7/16-2UNF-2B REF.) LOAD SENSE CONTROL PORT FOR CONTROL OPTION V/W. OPTIONAL REMOTE COMPENSATOR CONTROL PORT FOR CONTROL OPTION J/K (5.2) (5.6) (2.83) (1.1) Side View Front View 3

31 Catalog HY28-6/NA Technical Information Series PV 2 Performance Information Series PV 2 Compensated, Variable Volume, Piston Pump Features High Strength Cast-Iron Housing for Reliability and Quiet Operation Vickers Porting Interchange Optional Inlet/Outlet Locations for Ease of Installation Replaceable Bronze Port Plate Replaceable Piston Slipper Plate Thru-Shaft Capability SAE BB, A, B or C Pilots Low Noise Levels Fast Response Times Controls Compensation Load Sensing Horsepower Limiting Horsepower and Load Sensing Remote Compensation Adjustable Maximum Volume Stop Schematic Symbol (Basic Pump) Specifications Ratings Outlet Port: 248 bar (36 PSI) Continuous (P1) 31 bar (45 PSI) Peak (P3) Inlet Port: 1.72 bar (25 PSI) Maximum.17 bar (5 In. Hg.) Vacuum 18 RPM (See inlet chart for other speeds) Case Drain Port:.34 bar (5 PSI) Max. above Inlet Port.34 bar (1 PSI) Maximum Speed Ratings: 6 to 28 RPM Operating Temperature Range: -4 C to 71 C (-4 F to 16 F) Housing Material: Cast-Iron Filtration: Mounting: ISO 16/13 Recommended ISO 18/15 Maximum SAE "B" Flange Mount Quick Reference Data Chart Pump Model Displacement cc/rev (In 3 /rev) Installation Data: See page 41 of this catalog for specific recommendations pertaining to system cleanliness, fluids, start-up, inlet conditions, shaft alignment, drain line restrictions and other important factors relative to the proper installation and use of these pumps. Pump Delivery Approx. Noise Levels db(a) Input Power 7 bar (1 Full 18 RPM (12 RPM) 18 RPM, Max. in LPM (GPM) 34 bar bar bar 27 bar 248 bar Displacement & 12 RPM 18 RPM (5 PSI) (1 PSI) (2 PSI) (3 PSI) (36 PSI) 248 bar (36 PSI) PV2 41. (2.5) 49.2 (13.) 73.8 (19.5) 68 (6) 7 (61) 73 (65) 74 (67) 75 () 33.2 kw (44.5 hp) Measured in an anechoic chamber to DIN 45635, measuring error + 2 db(a). Fluid used: petroleum oil to ISO VG 46; temperature = 5 C (122 F). Since many variables such as mounting, tank style, plant layout, etc., effect noise levels, it cannot be assumed that the above readings will be equal to those in the field. The above values are for guidance in selecting the proper pump. 31

32 Catalog HY28-6/NA Ordering Information Series PV 2 PV 2 2 R 1 E W A B NP Pump Variable Piston Displacement Shaft Rotation Seals Design Control Option Volume Stop Option Port & Flange Size Thru-Shaft Option Multiple Pumps Paint Type PV PVT CM 3 /REV (In 3 /Rev.) Range 2 41 (2.5) bar (25-36 PSI) * Minimum value of pressure range only applies on control option ìcî code. NP PB Painting No Paint Paint Shaft Option Pilot 2 1" Keyed SAE "B" 1 15T Spline (SAE BB) SAE "B" Multiple Pumps Single Pump 1 Pump Factory Mounted on Rear Rotation* R CW L CCW * Viewed from shaft end. 1 Buna-N 5 Viton Seals Thru-Shaft Options No Thru-Shaft A A SAE "A" Pilot / 9T Spline (SAE A) A B SAE "A" Pilot / 13T Spline (SAE B) B B SAE "B" Pilot / 13T Spline (SAE B) B Q SAE "B" Pilot / 15T Spline (SAE BB) C C SAE "C" Pilot / 14T Spline (SAE C) Ports Type Location E Design Series SAE Rear - Straight Thread 2 BSPP Rear - Straight Thread 3 SAE Side - Flange 4 BSPP Side - Flange (Metric Threads) C Control Options Compensated F* Remote (Master) L Load Sense & J or K HP Control - Single Ramp V or W HP + Load Sense Combined * "F" (May be remotely controlled) Volume Stop Options Adj. Maximum Volume Stop 32

33 Catalog HY28-6/NA Performance Data Series PV 2 Typical Performance Data - Fluid: Standard Hydraulic Oil 1 49 C (12 F) 1 LPM GPM PV 12 RPM KW 44.8 HP 6. 1 LPM GPM PV 18 RPM KW 44.8 HP 6. Efficiency - % Efficiency Full Power Power Efficiency - % Full Power Efficiency Power Bar PSI 1 Compensated Power Bar PSI Compensated Power NOTE: The efficiencies and data in the graph are good only for pumps running at 12 or 18 RPM and stroked to maximum. To calculate approximate horsepower for the other conditions, use the following formula: HP = [ Q x (PSI) ] + (CHp) 1714 Actual GPM is directly proportional to drive speed and maximum volume setting. loss, however, is a function of pressure only. WHERE: Q = Actual Output in GPM PSI = At Pump Outlet CHp = Input Full 18 RPM (from graph read at operating pressure) Inlet Vacuum PV 2 Inlet Characteristics at Full Displacement bar PSI bar In-Hg (Graph only valid at sea level) Recommended Operating Condition DO NOT OPERATE IN THIS REGION PV 2 vs. Shaft Speed Shaft Speed - RPM Max. Displacement LPM GPM PV2 Shaft Speed - RPM 33

34 Catalog HY28-6/NA Performance Data Series PV 2 Typical Performance Data - Fluid: Standard Hydraulic Oil 1 49 C (12 F) Power Control LPM GPM PV 18 RPM N m In-Lbs HP Full Torque 15 HP 2 HP 25 HP 3 HP 35 HP 4 HP 45 HP Torque Bar PSI Response Times 3 PV 12 RPM 3 PV 18 RPM Time (millisec) On-Stroking Time (millisec) On-Stroking 5 De-Stroking 5 De-Stroking Bar PSI Bar PSI PV 2 Approximate Case 18 RPM LPM GPM KW 4.5 HP 6. Compensated 18 RPM Bar PSI Remote Comp - Zero Stroke Standard Comp - Zero Stroke 1 2 Full Power Bar PSI

35 Catalog HY28-6/NA Dimensional Data Series PV 2 Rear Ported Pump Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTES: 1. Righthand (CW) rotation pump shown. Lefthand (CCW) rotation pump will have inlet and outlet ports reversed. 2. Pump shown with standard pressure compensator (control option "C" ) (1.7) (2.8) FULL PRESS PRESSURE COMPENSATOR ADJUSTMENT SENSITIVITY: APPROX BAR (55 PSI) PER TURN (2.87) (1.75) (2.87) (.875) ø22.2 (.874) (4.23) (3.67) (3.85) 95.5 (3.76) DRAIN PORT SAE -1 STRAIGHT THREAD PORT (.61) (1.88) (4.89) Front View Top View.25 SAE KEY (1.81) (1.81) (1.1) (1.9) SHAFT OPTION 2 (SAE BB ) 1" DIA. REF. MAX TORQUE = N m (2,99 IN-LBS) SHAFT OPTION 1 (SAE BB ) 15 TEETH 16/32 PITCH 3 INVOLUTE SPLINE MAX. TORQUE = N m (2,99 IN-LBS) (2.31) 9.4 (.37) (9.1) AT MAX. DISPL (48 CC/REV) (8.38) AT ZERO FLOW (8.67) ADJUSTABLE MAX. VOLUME STOP FLOW CHANGE PER TURN = 4.1 CC/REV PER TURN (3.47) (1.75) (3.47) (1.75).25 SAE KEY (2.7) ROT 25.7 (.987) (.977) 11.6 ø (4.)11.55 (3.99) Side View IN SAE -24 STRAIGHT THREAD PORT 17. (4.24) Rear View OUT SAE -16 STRAIGHT THREAD PORT 17. (4.24) (2.19) (2.99) OPTIONAL DRAIN PORT FOR INVERTED APPLICATIONS SAE-1 STRAIGHT THREAD PORT 35

36 Catalog HY28-6/NA Dimensional Data Series PV 2 Side Ported Option 3 Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTES: 1. Righthand (CW) rotation pump shown. Lefthand (CCW) rotation pump will have inlet and outlet ports reversed. 2. Pump shown with standard pressure compensator (control option "C"). Port Sizes Option Inlet Outlet 1-1/2" SAE 4-Bolt Flange 1" SAE 4-Bolt Flange 3 1/2-13 Thread Standard 3/8-16 Thread Standard Series ( 61) Series ( 61) (2.8) (1.7) FULL PRESS (2.87) (1.75) (2.87) (3.93) (4.23) (3.67) (3.86) 95.5 (3.76) (.875) ø22.2 (.874) DRAIN PORT SAE-1 STRAIGHT THREAD PORT (3.93) 25.4 (1.) (3.44) (.61) (1.88) (4.89) (6.94) Top View.25 SAE KEY DRAIN PORT SAE-1 7/8-14 THREAD (1.81) Front View 25.4 (1.) (1.81) (1.1) (1.9) SHAFT OPTION 2 (SAE BB ) 1" DIA. REF. MAX TORQUE = N m (2,99 IN-LBS) SHAFT OPTION 1 (SAE BB ) 15 TEETH 16/32 PITCH 3 INVOLUTE SPLINE MAX. TORQUE = N m (2,99 IN-LBS).25 SAE KEY (2.31) 9.4 (.37) (9.48) (7.52) ADJUSTABLE MAX. VOLUME STOP FLOW CHANGE PER TURN = 4.1 CC/REV PER TURN (3.75) (3.75) (2.7) (3.34) IN OUT 25.7 (.986) (.976) 11.6 ø (4.)11.55 (3.99) ROT (3.44) (3.34) Side View (6.94) OPTIONAL DRAIN PORT FOR INVERTED APPLICATIONS SAE-1 STRAIGHT THREAD SEE CHART FOR INLET & OUTLET PORT SPECIFICATIONS 17. (4.24) Rear View 17. (4.24) 36

37 Catalog HY28-6/NA Dimensional Data Series PV 2 Side Ported Option 9 Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTES: 1. Righthand (CW) rotation pump shown. Lefthand (CCW) rotation pump will have inlet and outlet ports reversed. 2. Pump shown with standard pressure compensator (control option "C"). Pilot Dimensions Shaft Option A B C D 2, / (4./3.998) (.37) (2.87) (.5) Inlet Port Outlet Port 1-1/2" SAE 4-Bolt Flange 1" SAE 4-Bolt Flange M12 Thread Standard M1 Thread Standard Series ( 61) Series ( 61) (2.8) (1.7) FULL PRESS C (1.75) C (4.23) (3.67) (3.86) 95.5 (3.76) (.875) ø22.2 (.874) 25.4 (1.) OPTIONAL DRAIN PORT OPTION 4 3/4" BSPP (.61) (1.88) (4.89) (6.94).25 SAE KEY (1.81) DRAIN PORT OPTION 4 3/4" BSPP Top View (1.81) CLEARANCE FOR D MOUNTING BOLTS BOTH EARS Front View 25.4 (1.) (3.44) (1.1) (1.9) (2.31) B SHAFT OPTION 2 (SAE BB ) 1" DIA. REF. MAX TORQUE = N m (2,99 IN-LBS) (9.48) (7.52) SHAFT OPTION 1 (SAE BB ) 15 TEETH 16/32 PITCH 3 INVOLUTE SPLINE MAX. TORQUE = N m (2,99 IN-LBS) ADJUSTABLE MAX. VOLUME STOP FLOW CHANGE PER TURN = 4.1 CC/REV PER TURN (3.75) 95.25(3.75).25 SAE KEY (2.7) (3.34) A IN OUT 25.7 (.986) (.976) ROT (3.44) (3.34) Side View (6.94) ALTERNATE DRAIN PORT (USE IF PUMP IS INVERTED) OPTION 4 3/4" BSPP SEE CHART FOR INLET & OUTLET PORT SPECIFICATIONS 17. (4.24) Rear View 17. (4.24) 37

38 Catalog HY28-6/NA Dimensional Data Series PV 2 Thru-Shaft Pump Dimensions * Inch equivalents for millimeter dimensions are shown in (**). NOTES: 1. Righthand (CW) rotation side ported pump with straight thread ports shown. Lefthand (CCW) pumps will have inlet and outlet ports reversed. 2. Later versions of Thru-Shaft options 6A2, 6A4, 6A5, 9A4 and 9A5, incorporate a gasket, P/N 8129 to seal on the rear pump rather than an o-ring. 3. Maximum torque transmitting capacity for rear pumps = 28.1 Nm (1,85 In-Lbs). WHEN MOUNTING PUMPS WITH STRAIGHT SHAFTS, INSTALL COUPLING TO THIS DIMENSION BEFORE MOUNTING PUMP G F 2 NOTE: INPUT TORQUE RATINGS SHOWN ON PAGE 34 INCLUDE COMBINED TORQUE OF BOTH PUMPS. Top View E C C A (9.14) REF. ROT D ADAPTOR MAY BE ROTATED 9 DEGREES IF DESIRED B Side View Rear View Dimensions Thru Shaft Options VARIATION A B C D E F G 6A (1.14) 5.83/5.85 (2.1/2.2) (1.63) 5/16-18UNC-2B o/.5 X.125 Key 38.1 (1.5).9 (2.72) 6A (1.39) 82.58/82.6 (3.251/3.252) (2.9) 3/8-16UNC-2B o/.75 X.1875 Key (1.75) (2.97) 6A (1.39) 82.58/82.6 (3.251/3.252) (2.9) 3/8-16UNC-2B 9 Tooth 16/32 Pitch (1.25) N/A 6A (1.39) 82.58/82.6 (3.251/3.252) (2.9) 3/8-16UNC-2B 11 Tooth 16/32 Pitch (1.25) N/A 6B (1.94) 11.63/11.65 (4.1/4.2) 73.3 (2.88) 1/2-13UNC-2B o/.875 X.25 Key (2.31) (3.52) 6B (1.94) 11.63/11.65 (4.1/4.2) 73.3 (2.88) 1/2-13UNC-2B o/ 1. X.25 Key (1.81) (3.52) 6B (1.94) 11.63/11.65 (4.1/4.2) 73.3 (2.88) 1/2-13UNC-2B 13 Tooth 16/32 Pitch (1.62) N/A 6B (1.94) 11.63/11.65 (4.1/4.2) 73.3 (2.88) 1/2-13UNC-2B 15 Tooth 16/32 Pitch (1.81) N/A 9A (1.39) 82.58/82.6 (3.251/3.252) (2.9) M1 X Tooth 16/32 Pitch (1.25) N/A 9A (1.39) 82.58/82.6 (3.251/3.252) (2.9) M1 X Tooth 16/32 Pitch (1.25) N/A 9B (1.94) 11.63/11.65 (4.1/4.2) 73.3 (2.88) M12 X Tooth 16/32 Pitch (1.62) N/A 9B (1.94) 11.63/11.65 (4.1/4.2) 73.3 (2.88) M12 X Tooth 16/32 Pitch (1.81) N/A 38

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