Vickers | PVH98QPC-RF-1S-10-CM7-31
PVH98QPC-RF-1S-10-CM7-31
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The PVH98QPC-RF-1S-10-CM7-31 pump is produced by Vickers for the Piston Pumps series and supplies pressurized fluid to automated hydraulic systems. Its displacement is 98.3 cm³ per revolution (6.0 in³/rev), so the volume moved depends directly on shaft speed. At 1500 r/min the pump delivers an effective flow of 140 l/min (37 gpm), giving designers a baseline for medium-speed circuits, while at 1800 r/min the flow rises to 170 l/min (45 gpm) for full-speed operation. A rated speed of 1800 r/min with zero inlet boost defines the maximum continuous shaft velocity. The rated pressure of 250 bar (3625 psi) sets the upper working limit for system components, and the factory pressure setting of 70 bar (1015 psi) lets the unit start work without field adjustment. A pressure compensator control, identified by the CM code, modulates swash-plate angle to hold outlet pressure once it reaches the chosen set point. Control design number 31 specifies the detailed configuration of that compensator circuit for service alignment.
Pump design number 10 distinguishes this build level from other versions in the same series. A 1.25 in keyed input shaft following J744-32-1 allows direct coupling to standard prime movers, and right-hand (clockwise) rotation matches common engine output direction. The SAE C 4-bolt mounting flange (J744-127-4) provides a rigid interface for housing installation. Main pressure and return lines connect through SAE J518C 4-bolt flanges in Code 61 style, ensuring leak-free porting at high pressure. The load-sense signal attaches to a 9/16-18 UNF-2B port so the compensator can track downstream pressure drops, while case drainage uses a 7/8-14 UNF-2B thread to return leakage flow to tank. A single one-way shaft seal prevents external contamination from entering along the drive shaft.
Technical Specifications
Control Design Number
31
Control Type
Pressure Compensator (CM)
Displacement
98.3 cm3/rev (6.0 in3/rev)
Drain Port Thread
7/8-14 UNF-2B
Effective Flow @ 1500 R/min
140 l/min (37 gpm)
Effective Flow @ 1800 R/min
170 l/min (45 gpm)
Factory Pressure Setting
70 bar (1015 psi)
Input Shaft
1.25 in Keyed (J744-32-1)
Load Sense Port Thread
9/16-18 UNF-2B
Main Ports
SAE J518C 4-Bolt Flange (Code 61)
Mounting Flange
SAE C 4-Bolt (J744-127-4)
Pump Design Number
10
Rated Pressure
250 bar (3625 psi)
Rated Speed (zero Inlet)
1800 r/min
Rotation
Right-Hand (Clockwise)
Shaft Seal
Single (One-Way)
1620 Old Apex Road
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