Compact and efficient, the Parker PD Series of Positive Displacement Open-Circuit Piston Pumps boosts productivity in medium pressure industrial applications. Featuring a rugged cradle-bearing design, wide temperature range, full power thru-drive capability and an optional torque limiter, industrial PD pumps ensure reliable performance and quick response. The series also utilizes unique “ripple chamber” technology to reduce pressure pulsations decreasing noise.

Learn more about Parker PD Pump service and benefits under Product Support. 

Markets:
• Industrial
• Oil & Gas
• Material Handling Equipment
• Power Generation

Features and Benefits:
Increased Productivity
• Proportional electric controls that provide flow on demand  
• Large stroking pistons for fast, stable response
• Full power thru-drive capability

Improved Reliability
• Elastomer seals that eliminate gaskets and external leakage
• Low friction cam and taper-roller shaft bearings
• Industry-low viscosity capability

Design Flexibility
• Case drain port for horizontal or vertical shaft-up mounting
• Optional maximum and minimum volume stops
• End or side inlet and outlet ports
• Small envelope size
• Wide range of controls

Ease of Use
• Low noise nine-piston design
• Hydraulic controls with “no leak” adjustments
• Fewer parts for easier maintenance

Applications:
• Power units
• Industrial molding
• Pressing
• Water jet cutting
• Oil lift pumps
• Top drives
• Pipe handling
• Offshore cranes
• Conveyor drives
• CNG
• Lube oil skids

Technical Characteristics:
• Maximum operating pressure of 280 bar (4,060 psi)
• Speed range of 600 – 1,800 rpm
• Available in 7 displacement (cc) options: 18, 28, 45, 60, 75, 100, 140