V10/V20 Series Vane Pumps

V10/V20 Series Vane Pumps

3 week ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 3 year year

Product details

1. Product Positioning

• Type: Single-acting fixed displacement vane pump

• Pressure Rating: Medium-low pressure hydraulic systems (rated pressure 10-16 MPa, peak pressure up to 21 MPa)

• Flow Range: 5-50 L/min (varies by displacement model)

• Applicable Fluids: Mineral-based hydraulic oils (viscosity grade ISO VG32-68), environmentally friendly hydraulic fluids (compatibility verification required)

2. Core Structural Features

【表格】

Component Technical Specifications

Rotor Precision ground, surface hardness ≥55 HRC, dynamic balance accuracy G1 grade

Stator Dual-arc chamber design, hard chrome plating (thickness ≥20 μm) on inner surface

Vanes Composite material (steel substrate + PEEK coating), top arc design, self-compensating wear

Port Plate Kidney-slot structure, laser-hardened surface (hardness ≥60 HRC), reduced leakage

Bearings Double-row angular contact ball bearings (model 7205C), rated dynamic load 19.5 kN

Seals Dual-lip fluororubber骨架油封 (Viton) (temperature range -40°C to +120°C), dust lip design

3. Performance Parameters

【表格】

Parameter V10 Series V20 Series Test Standard

Rated Displacement 10 cc/rev 20 cc/rev ISO 4413:2010

Rated Speed 600-1800 rpm 600-1800 rpm Continuous operation

Volumetric Efficiency ≥88% (at 16 MPa) ≥88% (at 16 MPa) ISO 1217:2019

Total Efficiency ≥82% (at 16 MPa) ≥82% (at 16 MPa) ISO 4413:2010

Noise Level ≤68 dB(A) @1200 rpm ≤70 dB(A) @1200 rpm ISO 10289:2019

Weight 8.5 kg 11.2 kg With standard mounting flange

4. Typical Applications

• Machine Tools:

• Spindle lubrication for CNC machining centers

• Hydraulic supply for grinding machines

• Clutch control for presses

• Plastics Machinery:

• Mold opening/closing for injection molding machines

• Screw drive for extruders

• Industrial Automation:

• Seventh-axis drive for robots

• Hydraulic source for press-fitting equipment

5. Installation & Maintenance Specifications

5.1 Mechanical Installation

• Flange Connection: ISO 6022/2 compliant (4-bolt flange, 125 mm bolt circle)

• Shaft Alignment: Allowable radial misalignment ≤0.05 mm, axial misalignment ≤0.1 mm

• Pipe Connections:

• Suction port: Nominal diameter 25 mm (G1 1/2" thread)

• Pressure port: Nominal diameter 20 mm (G1 1/4" thread)

• Drain port: Nominal diameter 10 mm (G1/8" thread)

5.2 Electrical Interfaces (Optional)

• Pressure Switch: Normally open, adjustable trigger pressure (range 5-16 MPa)

• Temperature Sensor: PT100 type, measurement range -50°C to +150°C

5.3 Maintenance Schedule

【表格】

Maintenance Item Initial Service Routine Service Overhaul Interval

Oil Replacement 500 hours 2000 hours -

Vane Replacement - 8000 hours 15,000 hours

Bearing Replacement - 10,000 hours 20,000 hours

6. Fault Diagnosis Guide

【表格】

Symptom Probable Causes Solutions

Insufficient Flow Clogged suction filter, worn vanes, port plate wear Clean filter, replace vane assembly, lap port plate

Pressure Fluctuation Air ingestion, abnormal oil viscosity, relief valve failure Check seals, replace oil, calibrate relief valve

Abnormal Noise Bearing failure, rotor imbalance, coupling misalignment Replace bearings, dynamic balance correction, realign coupling

7. Selection Considerations

1. Displacement Calculation:

Q=n×V×ηv Q = n \times V \times \eta_v Q=n×V×ηv

(Q: Flow rate L/min, n: Rotational speed rpm, V: Displacement cc/rev, ηv: Volumetric efficiency)

2. Pressure Matching:

• System maximum pressure ≤80% of pump rated pressure

• Peak pressure duration ≤5% of total operating time

3. Environmental Adaptability:

• Altitude ≤1000 m (derate for higher elevations)

• Ambient temperature -20°C to +50°C (extended range -40°C to +70°C with special coating)

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

3 year

Address: Ningbo, China

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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