Eaton Vickers PVE19 PVE21 Piston Pump | PVE19AR05AC | PVE21R930CVP12

The Eaton Vickers PVE Series from LIC Hydraulic is a premier line of Axial Piston Variable Displacement Pumps for open-circuit systems. Renowned for their ultra-quiet operation and high power-to-weight ratio, the PVE19 and PVE21 are the go-to choices for both industrial and mobile applications. Whether you are searching for a replacement for PVE19AR05AC or PVE21R930CVP12, our units offer 100% mechanical interchangeability with original Vickers specifications. Every unit is subjected to 100% simulated load testing to guarantee peak volumetric efficiency and precise pressure compensation under real-world conditions.

Technical Specifications (Bulleted List)

• Series: Eaton Vickers PVE12, PVE19, PVE21

• Displacement: $41\text{ cc/rev}$ (PVE19) / $45\text{ cc/rev}$ (PVE21)

• Nominal Pressure: $210\text{ bar}$ ($3000\text{ psi}$)

• Max Pressure: $280\text{ bar}$ ($4000\text{ psi}$)

• Control Options: Pressure Compensator (A), Load Sensing (B), Remote Pressure Control

• Speed Capability: Up to $2400\text{ RPM}$

• Housing: High-strength aluminum alloy for reduced weight and heat dissipation

• Configuration: Standard SAE mounting flanges and shafts

Key Technical Advantages

• Silent Operation: The PVE series features patented timing plate technology that significantly suppresses fluid-borne noise and pressure ripples. It is one of the quietest piston pumps in its displacement class, making it ideal for noise-sensitive environments.

• Compact & Lightweight: The all-aluminum housing design provides a smaller footprint and lower weight than traditional cast iron pumps. This makes it perfect for auxiliary circuits in mobile equipment where space and fuel efficiency are critical.

• Rapid Control Response: The high-performance compensators respond instantly to changes in system demand, minimizing energy waste and reducing hydraulic fluid overheating.

• Enhanced Wear Resistance: Internal rotating groups are treated with advanced low-friction coatings to ensure reliability even when operating with low-viscosity fluids or in high-cycle-rate applications.

Application Areas

• Industrial Plants: Plastic injection molding machines, small presses, and custom hydraulic power units (HPUs).

• Mobile Auxiliary Drives: Cooling fan drives for excavators, steering systems for heavy trucks, and aerial lifts.

• Agriculture: Auxiliary power for harvesters, tractors, and specialized seeding equipment.

Expert Maintenance Tips

• Case Priming: Never start the pump without fully priming the housing. Fill the case with filtered oil through the highest drain port to prevent immediate damage to the piston slippers and swashplate.

• Load Sensing Signal: For models with Load Sensing (B) controls, ensure the pilot lines are clean and purged of air. Entrapped air in the signal line will cause erratic pressure fluctuations and hunting.

• System Filtration: To maximize the life of the precision-lapped valve plate, maintain oil cleanliness at ISO 18/16/13 or better. Aluminum pumps are particularly sensitive to hard particulate contamination.