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VDC-2A-1A5, VDC-2B-1A5 Vane pump
VDC Series:VDC-1A/B; VDC-2A/B; VDC-3A/B
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Description
Nachi Vane Pump VDC-2A-1A5 & VDC-2B-1A5 Specifications | Parameters Guide
This is a detailed parameter guide for Nachi VDC-2A-1A5 and VDC-2B-1A5 vane pumps, designed to provide accurate technical data for engineers, maintenance personnel, and procurement professionals. As high-pressure variable displacement vane pumps of the Nachi VDC series, these two models are widely used in hydraulic systems for their stability, efficiency, and precision. Below are the complete specifications, including model interpretation, key parameters, performance features, and installation details.
Model Interpretation of Nachi VDC-2A-1A5 & VDC-2B-1A5
The model codes of Nachi VDC series vane pumps follow a standardized naming rule, which helps to quickly identify the product configuration:
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VDC: Series name, representing Nachi high-pressure variable displacement vane pump;
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2: Pump size, indicating the pump’s overall dimension and displacement level;
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A/B: Mounting method — A for foot type mounting, B for flange type mounting;
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1: Ring size, which affects the pump’s pressure-bearing capacity and stability;
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A: Flow characteristic, meaning fixed discharge type;
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5: Pressure adjustment range code, corresponding to 7~14 MPa (71.4~143 psi).
Key Technical Parameters of VDC-2A-1A5 & VDC-2B-1A5
The following parameters are based on official Nachi technical data sheets, ensuring high accuracy and reliability for practical application and selection:
|
Parameter Item
|
VDC-2A-1A5
|
VDC-2B-1A5
|
Unit
|
|---|---|---|---|
|
Pump Type
|
High-Pressure Variable Displacement Vane Pump
|
High-Pressure Variable Displacement Vane Pump
|
–
|
|
Capacity (Displacement)
|
30
|
30
|
cm³/rev
|
|
No-Load Discharge Rate (1000 min⁻¹)
|
30
|
30
|
L/min
|
|
No-Load Discharge Rate (1200 min⁻¹)
|
36
|
36
|
L/min
|
|
No-Load Discharge Rate (1500 min⁻¹)
|
45
|
45
|
L/min
|
|
No-Load Discharge Rate (1800 min⁻¹)
|
54
|
54
|
L/min
|
|
Pressure Adjustment Range
|
7~14 (71.4~143)
|
7~14 (71.4~143)
|
MPa (psi)
|
|
Allowable Peak Pressure
|
21 (214)
|
21 (214)
|
MPa (psi)
|
|
Rotational Speed Range
|
800~1800
|
800~1800
|
min⁻¹
|
|
Mounting Method
|
Foot Type Mounting
|
Flange Type Mounting
|
–
|
|
Weight
|
25
|
25
|
kg
|
|
Fluid Medium
|
Hydraulic Oil (Viscosity: 10~400 mm²/s)
|
Hydraulic Oil (Viscosity: 10~400 mm²/s)
|
–
|
|
Operating Temperature Range
|
-10~80
|
-10~80
|
℃
|
Performance Features of Nachi VDC-2A-1A5 & VDC-2B-1A5
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High-Efficiency & Stable High-Pressure Operation: Equipped with innovative pressure control, pressure balance mechanisms, and an original 3-point ring support system, the pumps deliver outstanding performance at high pressures up to 14 MPa (2000 psi), minimizing power loss and ensuring stable operation[superscript:3].
-
Low Vibration & Noise: The 3-point support system for the control piston and bias piston enhances ring stability, effectively reducing ring vibration and achieving quiet operation, which is suitable for noise-sensitive working environments[superscript:2].
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High Precision & Quick Response: An innovative ring stopper eliminates excessive ring displacement, improving response speed and ensuring high-precision operation during startup, shutdown, and load changes[superscript:3].
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Stable Discharge Rate: Adopting a revolutionary pressure compensator-type pressure control mechanism, the pumps maintain a highly stable fixed discharge rate even in the high-pressure range[superscript:2].
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Easy Maintenance: Pressure adjusting and discharge rate adjusting mechanisms are located on the same side of the pump, simplifying maintenance and handling procedures[superscript:3].
Application Scope
Nachi VDC-2A-1A5 and VDC-2B-1A5 vane pumps are widely applied in various hydraulic systems, including machine tools, construction machinery, industrial equipment, and automated production lines. Their high pressure resistance, stable performance, and compact structure make them ideal for scenarios requiring precise hydraulic control and continuous operation.
Note
1. When the ring size is 2, the maximum setting pressure is 7 MPa (71.4 psi). 2. The VDC-2A-1A5 adopts foot type mounting (sub plate type, sub plates not included), while the VDC-2B-1A5 adopts flange type mounting[superscript:4]. 3. For optimal performance, use recommended hydraulic oil and maintain regular maintenance.
VDC series Nachi vane pump
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