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VDC-1A-1A5,VDC-1B-1A5 Vane pump
VDC Series:VDC-1A/B; VDC-2A/B; VDC-3A/B
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Description
Nachi Vane Pump VDC-1A-1A5 & VDC-1B-1A5 Parameters Specification
Nachi VDC-1A-1A5 and VDC-1B-1A5 are high-pressure fixed displacement vane pumps designed for industrial hydraulic systems, featuring high efficiency, stable performance, and low noise. This specification details their key technical parameters, structural features, and application scope to help users quickly obtain accurate product information for selection and maintenance.
General Information
Brand: Nachi (Fujikoshi Corporation) Series: VDC Series Pump Type: High-Pressure Fixed Displacement Vane Pump Application: Industrial hydraulic systems, machine tools, injection molding machines, and other equipment requiring stable pressure and flow
Key Technical Parameters (VDC-1A-1A5 & VDC-1B-1A5)
|
Parameter Item
|
VDC-1A-1A5
|
VDC-1B-1A5
|
Unit
|
|---|---|---|---|
|
Displacement (Capacity)
|
25
|
25
|
cm³/rev
|
|
No-Load Discharge Rate (1000 min⁻¹)
|
25
|
25
|
ℓ/min
|
|
No-Load Discharge Rate (1200 min⁻¹)
|
30
|
30
|
ℓ/min
|
|
No-Load Discharge Rate (1500 min⁻¹)
|
37.5
|
37.5
|
ℓ/min
|
|
No-Load Discharge Rate (1800 min⁻¹)
|
45
|
45
|
ℓ/min
|
|
Pressure Adjustment Range
|
5 – 10.5 (51 – 107 kgf/cm²)
|
5 – 10.5 (51 – 107 kgf/cm²)
|
MPa
|
|
Allowable Peak Pressure
|
21 (214 kgf/cm²)
|
21 (214 kgf/cm²)
|
MPa
|
|
Rotational Speed Range
|
800 – 1800
|
800 – 1800
|
min⁻¹
|
|
Mounting Type
|
Foot Mounting (Type A)
|
Flange Mounting (Type B)
|
–
|
|
Flow Characteristic
|
Constant Discharge Type (Type A)
|
Constant Discharge Type (Type A)
|
–
|
|
Weight
|
9.5
|
9.5
|
kg
|
|
Sub Plate Model (Optional)
|
MVD-1-115-10 (for 0.75~1.5kW motor)
|
MVD-1-115-10 (for 0.75~1.5kW motor)
|
–
|
Performance Features
-
High-Efficiency & Stable High-Pressure Operation: Equipped with innovative pressure control, pressure balance mechanisms, and an original 3-point ring support system, ensuring outstanding performance at high pressures up to 21 MPa (214 kgf/cm²).
-
Low Vibration & Noise: The 3-point support system for the control piston and bias piston enhances ring stability, minimizing vibration and enabling quiet operation, suitable for noise-sensitive working environments.
-
High-Precision Response: An innovative ring stopper eliminates excessive ring displacement, ensuring high-precision operation during startup, shutdown, and load changes.
-
Easy Maintenance: Pressure and discharge rate adjustment mechanisms are located on the same side of the pump, simplifying maintenance and reducing downtime.
-
Energy-Saving: New mechanical innovations minimize power loss, especially at full cutoff, achieving high-efficiency operation and reducing energy consumption.
Application Scope
Nachi VDC-1A-1A5 (foot mounting) and VDC-1B-1A5 (flange mounting) are widely used in various industrial fields, including machine tools, injection molding machines, hydraulic presses, and other hydraulic systems that require stable fixed discharge rate and high-pressure operation. Their compact design and reliable performance make them ideal for systems with limited installation space.
Note
1. The pressure adjustment range is based on the standard configuration (Type 5); please refer to the official manual for other configurations. 2. The rotational speed should not exceed the maximum limit to avoid damage to the pump. 3. For matching motors and accessories, please consult Nachi’s official technical documentation or authorized distributors..
VDC series Nachi vane pump
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