Double Variable Vane Pump

Double Variable Vane Pump

2 day ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

Double Variable Vane Pump

1. Product Overview

Double Variable Vane Pump is an integrated twin variable displacement vane pump assembly. Two independent variable vane pump modules are housed within a single pump body and driven synchronously by one input shaft. Each pump unit is equipped with an independent pressure adjustment mechanism. Two separate hydraulic circuits can obtain different flow and pressure outputs simultaneously. Compared with installing two separate single pumps, this design saves installation space, reduces motor configuration quantity and lowers overall equipment costs. Widely used in industrial machinery requiring dual independent hydraulic power circuits.

2. Main Technical Specifications

Parameter Specification

Pump Type Double Variable Displacement Vane Pump

Nominal Working Pressure 0.7 ~ 7.0 MPa (Low-pressure version)

Displacement Combination Custom matching of different displacements for front pump & rear pump

Rotation Direction Clockwise / Counter-clockwise optional

Permitted Speed Range 800 ~ 1800 rpm

Recommended Hydraulic Fluid ISO VG32 / VG46 anti-wear hydraulic oil

Operating Temperature -10℃ ~ +70℃

Installation Type Foot mounting / Flange mounting

3. Core Advantages

1. Dual independent pump units, separate pressure and flow adjustment for each circuit, supporting compound movements of machine tools and automation equipment.

2. Single-shaft synchronous drive, only one driving motor required, optimizing system layout and cutting investment costs.

3. Compact integrated casting structure, effectively reduce occupied space inside hydraulic power units.

4. Low vibration, low noise and slight pressure pulsation, guarantee smooth equipment operation.

5. Each pump is fitted with built-in pressure regulating valve, convenient independent pressure setting during on-site commissioning.

6. Wide displacement combination options, flexible to match diverse working conditions.

7. Easy maintenance and interchangeable spare parts, low after-sales maintenance expense.

4. Working Principle

The input shaft drives two groups of rotors and vanes to rotate synchronously. By adjusting the eccentricity of each stator and rotor respectively, each pump can independently change displacement. Two separated oil outlet ports supply pressure oil to two different hydraulic loops. It realizes asynchronous actions such as rapid feed, clamping, ejection at the same time.

5. Application Scope

Suitable for machine tools, packaging machinery, plastic auxiliary equipment, automated production equipment, light-duty hydraulic presses, logistics conveying machinery. Ideal equipment with simultaneous fast advancing and clamping hydraulic loops.

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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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