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VDC-2A-1A2,VDC-2B-1A2 Vane pump
VDC Series:VDC-1A/B; VDC-2A/B; VDC-3A/B
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Description
Nachi Vane Pump VDC-2A-1A2 & VDC-2B-1A2 Specifications | Detailed Parameters
Nachi VDC-2A-1A2 and VDC-2B-1A2 are high-pressure variable displacement vane pumps specifically engineered for industrial hydraulic systems, boasting high efficiency, low operational noise, and reliable stable performance. This document provides comprehensive technical parameters, structural characteristics, and application scope of the two models, aiming to assist users in correct selection and safe operation. As key members of Nachi’s VDC series vane pumps, VDC-2A-1A2 and VDC-2B-1A2 are widely utilized in machine tools, injection molding machines, hydraulic presses, and other equipment that demands precise flow control and stable high-pressure work.
General Information of Nachi VDC-2A-1A2 & VDC-2B-1A2 Vane Pumps
Both Nachi VDC-2A-1A2 and VDC-2B-1A2 belong to the VDC series high-pressure vane pumps, adopting advanced vane technology and a compact structural design to ensure easy installation and space-saving advantages. The two models share most core technical parameters, with minor differences in mounting dimensions and structural details, enabling them to adapt to different installation scenarios while maintaining consistent high-performance standards.
Detailed Technical Parameters
|
Parameter Item
|
Nachi VDC-2A-1A2
|
Nachi VDC-2B-1A2
|
Unit
|
|
Displacement
|
36
|
36
|
cm³/rev
|
|
No-Load Discharge Rate (1000 min⁻¹)
|
36
|
36
|
L/min
|
|
No-Load Discharge Rate (1200 min⁻¹)
|
43
|
43
|
L/min
|
|
No-Load Discharge Rate (1500 min⁻¹)
|
54
|
54
|
L/min
|
|
No-Load Discharge Rate (1800 min⁻¹)
|
65
|
65
|
L/min
|
|
Pressure Adjustment Range
|
1.5 – 5.0
|
1.5 – 5.0
|
MPa (15.3 – 51.0 kgf/cm²)
|
|
Allowable Peak Pressure
|
16
|
16
|
MPa (163 kgf/cm²)
|
|
Rotational Speed Range
|
800 – 1800
|
800 – 1800
|
min⁻¹
|
|
Weight
|
12.8
|
12.8
|
kg
|
|
Structure Type
|
Subplate Type (Subplate not included)
|
Subplate Type (Subplate not included)
|
–
|
|
Rotation Direction
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Clockwise (when viewed from the shaft)
|
Clockwise (when viewed from the shaft)
|
–
|
Key Features
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High Efficiency & Stable High-Pressure Operation: Equipped with an innovative pressure control mechanism and a unique 3-point ring support system, the pumps deliver efficient and stable performance at high pressures up to 16 MPa, minimizing power loss especially at full cutoff and ensuring long-term reliable operation.
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Low Vibration & Noise: Adopting optimized vane and ring structures to reduce vibration and noise during operation, the pumps are suitable for applications where noise control is a key requirement, such as precision machining workshops.
-
High Precision & Responsiveness: The advanced ring stopper mechanism eliminates excessive ring displacement, ensuring high-precision flow control and quick responsiveness during startup, shutdown, and load changes, meeting the requirements of precise hydraulic systems.
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Easy Maintenance: Pressure and discharge rate adjustment mechanisms are concentrated on the same side of the pump, simplifying daily inspection and maintenance procedures, reducing downtime, and improving work efficiency.
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Compact Design: Despite the larger displacement, the pumps maintain a lightweight and compact structure, facilitating easy installation and integration into various hydraulic systems with limited installation space.
Application Scope
Nachi VDC-2A-1A2 and VDC-2B-1A2 vane pumps are widely applied in industrial hydraulic systems, including but not limited to heavy-duty machine tools, large injection molding machines, hydraulic presses, engineering machinery, and other equipment that requires large flow, precise flow control, and stable high-pressure operation. Their excellent reliability and long service life make them ideal choices for harsh industrial working environments.
Notes
1. The rotation direction of both pumps is clockwise when viewed from the shaft; do not reverse the rotation direction during installation and operation to avoid pump damage and potential safety hazards.
2. The suction pipe must be directly connected below the tank oil level, and the suction resistance should be controlled within the specified range to ensure stable suction performance and prevent cavitation.
3. Regular maintenance is recommended to extend the service life of the pump; regularly check the oil quality, replace the filter element, and inspect the vane and seal parts for wear.
4. For more detailed installation, operation, and maintenance instructions, refer to the official Nachi VDC series product manual.
VDC series Nachi vane pump
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