Guangdong MKS Hydraulic Co., Ltd.
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PVXS Hydraulic Open circuit pumps , Rexroth Axial piston variable High pressure pump
Typical Section of Open Loop PVX Pump
Displacement controls:
ES - Electric motor displacement control
HG - Handwheel displacement control (Special feature)
FE - Screw adjustment control (Special feature)
DF - Pressure compensator controlled
DQ - Mooring control
LR - Power control with pressure limiter
SP, SM - Displacement proportional to electric signal
DP - Displacement proportional to pressure signal
Case Flushing Requirements
A check valve must not be used in the drain pipe. The drain pipe must interminate below the oil level in the reservoir.
For all other conditions with low pressure <20 bar (<300 psi) and low flow (<10% of Qmax) case flushing is required.
For operation with special fluids HFB and HFC, case flushing is recommended.
Flushing Flow
Flushing flow via the pump case should be >1% of maximum pump flow. Maximum flushing flow depends on case pressure.
Introduction
• Axial piston pumps with swashplate design for reliable operation and long life.
• Pressure up to 420 bar. Rated speed up to 1800 min-1. Higher speeds possible.
• Oversize shafts and bearings.
• Rotating and pressure loaded parts are pressure balanced.
• Integrated pilot pump, filter and pressure relief valves available.
• "Building block" design gives these pumps a wide range of application.
• Fast response times.
