VP22 Variable Vane Pump

VP22 Variable Vane Pump

2 week ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

VP22 Variable Vane Pump

Product Overview

VP22 is a double‑stage pressure‑compensated variable displacement Hydraulic Vane pump, an energy‑saving hydraulic pump widely used for dual‑circuit oil supply in industrial hydraulic system and various hydraulic‑driven Machine[(Zhejiang Y...)].

This dual‑unit Hydraulic Vane pump features built‑in pressure‑limit control. It can automatically adjust output flow according to load pressure, matching power output to real‑time working conditions of the hydraulic system. With low noise, high volumetric efficiency and energy‑saving performance, it is an ideal power‑supply component for machine tools, hydraulic presses, leather machinery, packaging equipment and other industrial Machine.

Technical Specifications

‑ Model: VP22

‑ Product Type: Double‑stage variable displacement Hydraulic Vane pump, pressure‑limited hydraulic pump

‑ Displacement range: Two independent pump units, multiple displacement combinations available

‑ Working pressure range: 2.0‑7.0 MPa

‑ Maximum working pressure: 7.0 MPa

‑ Rated rotation speed: 1800 r/min

‑ Mounting form: Flange‑mounted, standard installation dimension

‑ Shaft option: Plain key shaft / SAE spline shaft

‑ Rotation direction: Clockwise (standard), counter‑clockwise optional

‑ Working medium: Anti‑wear hydraulic mineral oil for industrial hydraulic system

‑ Oil temperature range: ‑20℃ ~ +80℃

‑ Key Features: Double‑pump combined structure, pressure‑limit automatic flow regulation, low noise, energy‑saving, high volumetric efficiency, stable operation for medium‑load industrial Machine

Working Principle

VP22 variable‑displacement Hydraulic Vane pump consists of two sets of rotor‑vane assemblies, stator, pressure‑compensated side plates and pump housing. When motor drives the shaft to rotate, centrifugal force pushes the vanes outward to contact the inner wall of stator. The volume of suction chamber expands to generate negative pressure and draw hydraulic oil into pump cavity. As rotor rotates, the pressure‑side chamber volume shrinks to deliver oil to the hydraulic system. The built‑in pressure‑limit mechanism will reduce output flow once system pressure reaches preset value, reducing power loss.

Worn vanes, stuck rotor, blocked oil passages or seal damage will cause flow drop, pressure instability or oil leakage of the Machine. Replacing a qualified VP22 hydraulic pump can restore stable energy‑saving oil‑supply performance of your hydraulic system.

Core Advantages

1. Double‑stage combined design, two independent flow outputs, perfectly fit multi‑circuit demand of complex hydraulic system.

2. Pressure‑limit automatic flow adjustment, reduces unnecessary power consumption, improves energy efficiency of hydraulic‑driven Machine.

3. Low‑noise operation, good volumetric efficiency, suitable for continuous working conditions of general industrial equipment.

4. Standard flange mounting dimension, good interchangeability, convenient for upgrading or retrofitting existing hydraulic system.

5. Adjustable pressure and flow settings, flexible parameter tuning for different working conditions of Machine.

Application Range

VP22 double‑stage variable displacement Hydraulic Vane pump is a key power‑supply hydraulic pump for industrial hydraulic system. It is widely applied to metal‑cutting machine tools, hydraulic presses, leather machinery, packaging equipment, hydraulic stations and other hydraulic‑driven industrial Machine. Suitable for hydraulic‑system integrators, equipment manufacturers, maintenance workshops and global spare‑parts distributors.

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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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