A4VG Hydraulic Pump High Pressure Relief Valve

2 week ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

A4VG Hydraulic Pump High Pressure Relief Valve

Product Description

The A4VG Hydraulic Pump High Pressure Relief Valve is a core safety protection component matched with Rexroth A4VG series closed-loop hydraulic pump, widely used in the hydraulic system of construction Machine such as road rollers, excavators and engineering vehicles[(Bosch Rexr...)]. It limits the peak pressure of the high-pressure side of the hydrostatic transmission circuit to prevent overload damage to the A4VG hydraulic pump, hydraulic motor and other key components of the Machine when sudden load changes or pressure surges occur .

This high pressure relief valve features an integrated design with boost function. It works in coordination with DA control valve, pressure cut-off valve and charge pressure valve of A4VG pump to maintain the stable and safe operation of the entire hydraulic system . Adopting precision machining and high-quality sealing elements, it can withstand frequent pressure shocks and harsh working environments of heavy-duty Machine. It is a critical replacement spare part for equipment overhaul and aftermarket maintenance of construction machinery equipped with A4VG closed-loop hydraulic drive systems.

Key Features

✅ Professional matching safety valve for A4VG hydraulic pump, designed for closed-loop hydraulic system of construction Machine

✅ Effectively limits high-pressure peak and pressure surge, protects pump, motor and whole hydraulic circuit from overload damage[(Bosch Rexr...)]

✅ Integrated boost function, cooperates perfectly with other control valves of A4VG pump assembly[(Bosch Glob...)]

✅ Precision manufacturing, excellent shock resistance and reliable sealing performance

✅ Stable pressure response under continuous heavy-load working conditions of engineering Machine

✅ Easy assembly and replacement, ideal for aftermarket repair and equipment overhaul

✅ Strict factory quality inspection to guarantee long service life in complex hydraulic system environments

Technical Specifications

- Product Name: A4VG Hydraulic Pump High Pressure Relief Valve

- Matching Pump: Rexroth A4VG Series Closed-loop Hydraulic Pump

- Function: Overpressure protection for high-pressure circuit of hydraulic system

- Working Medium: Mineral hydraulic oil for standard hydraulic system

- Application: Road rollers, excavators and other construction Machine with A4VG hydrostatic transmission

- Feature: Matches original pump assembly parameters for direct replacement

- Usage: Spare parts for maintenance and overhaul of engineering Machine

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

4 year

Address: Ningbo, China

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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