VP Series Variable Displacement Vane Pumps
- Pressure compensated design, automatic flow adjustment according to system demand
- Ultra low noise operation: <60dB at rated speed
- Rated pressure: 7 MPa (1015 PSI)
- Flow rate: 20 L/min - 40 L/min @ 1800 rpm
- High volumetric efficiency: ≥92%
- Energy saving design, reduces system heat generation
- All standard models in stock, shipped within 24 hours
- 12 months warranty, lifetime technical support
General Specifications
| Series | VP-20, VP-30, VP-40 |
|---|---|
| Displacement Range | 20 cc/rev, 30 cc/rev, 40 cc/rev |
| Rated Pressure | 7 MPa (1015 PSI) |
| Maximum Pressure | 8 MPa (1160 PSI) |
| Pressure Adjustment Range | 1 MPa - 7 MPa (145 PSI - 1015 PSI) |
| Rated Speed | 1800 rpm |
| Speed Range | 800 rpm - 2200 rpm |
| Volumetric Efficiency | ≥92% at rated conditions |
| Overall Efficiency | ≥83% at rated conditions |
| Operating Temperature | -15°C ~ +70°C (5°F ~ 158°F) |
| Fluid Compatibility | Mineral hydraulic oil, anti-wear hydraulic oil (HLP) |
| Fluid Viscosity | 20 ~ 200 mm²/s (cSt) |
| Rotation Direction | Clockwise (standard), Counter-clockwise (optional) |
| Shaft Type | Flat key standard, spline optional |
| Mounting Flange | Standard 4-bolt SAE mounting |
| Port Size | Inlet: G3/4", Outlet: G1/2", Drain: G1/4" |
Model Selection Guide
| Model | Displacement (cc/rev) | Flow @1800rpm (L/min) | Max Pressure (MPa) | Weight (kg) | Price (USD) |
|---|---|---|---|---|---|
| VP-20-FA3 | 20 | 36 | 7 | 6.8 | $15.80 |
| VP-20-FA2 | 20 | 36 | 5.5 | 6.8 | $15.20 |
| VP-20-FA1 | 20 | 36 | 3.5 | 6.8 | $14.80 |
| VP-30-FA3 | 30 | 54 | 7 | 7.5 | $18.50 |
| VP-30-FA2 | 30 | 54 | 5.5 | 7.5 | $17.90 |
| VP-30-FA1 | 30 | 54 | 3.5 | 7.5 | $17.40 |
| VP-40-FA3 | 40 | 72 | 7 | 8.2 | $21.80 |
| VP-40-FA2 | 40 | 72 | 5.5 | 8.2 | $21.20 |
| VP-40-FA1 | 40 | 72 | 3.5 | 8.2 | $20.70 |
| VP-20-70 | 20 | 36 | 7 | 7.0 | $16.50 |
| VP-30-70 | 30 | 54 | 7 | 7.8 | $19.20 |
| VP-40-70 | 40 | 72 | 7 | 8.5 | $22.50 |
Performance Curve
Pressure-Flow characteristic curve for VP series vane pumps (at 1800 rpm)
Core Features & Advantages
Ultra Low Noise
Special vibration damping structure and optimized vane design, noise level <60dB at rated operation
Pressure Compensated
Automatic flow adjustment according to system pressure, saves energy and reduces heat generation
No Pulsation
Stable pressure output, no flow pulsation, ideal for precision machine tool applications
High Efficiency
Volumetric efficiency ≥92%, overall efficiency ≥83%, reduces power consumption
Long Service Life
High quality vanes and hardened cam ring, 6000+ hours continuous operation life
Easy Maintenance
Cartridge design allows easy replacement of internal components without removing the pump from the system
Typical Applications
🪚 Machine Tools
Grinding machines, milling machines, lathes, drilling machines
🗜️ Hydraulic Presses
Small and medium hydraulic presses, bending machines
🏭 Hydraulic Stations
Low pressure hydraulic power units, energy saving hydraulic systems
🤖 Automation Equipment
Assembly lines, packaging machinery, material handling
🧵 Textile Machinery
Weaving machines, knitting machines, dyeing equipment
🏗️ Construction Machinery
Small construction equipment, lifting platforms
Ordering Information
- MOQ: 1 piece for standard models, 30 pieces for custom models
- Delivery Time: Standard models shipped within 24 hours, custom orders delivered in 3-7 days
- Packaging: Neutral carton packaging or branded packaging as requested
- Payment Terms: T/T, Western Union, PayPal, L/C
- Warranty: 12 months warranty against manufacturing defects
- Customization: Special pressure ranges, rotation directions, ports available upon request