Technical Parameters of Vickers Piston Pump PVB10-FLSW-31-C-11

1. Basic Information

• Model: PVB10-FLSW-31-C-11
• Brand: Vickers
• Pump Type: Axial Piston Pump (Variable Displacement)
• Series: PVB Series
• Application: Industrial Hydraulic Systems, Heavy Machinery, Hydraulic Power Units

2. Core Performance Parameters

• Displacement: 21.10 cm³/rev (1.29 in³/rev)
• Maximum Operating Pressure: 210 bar (3000 psi) when using anti-wear hydraulic oil; 140 bar (2000 psi) when using water-glycol or water-in-oil emulsion
• Maximum Shaft Speed: 3200 r/min (continuous operation)
• Minimum Inlet Pressure: 0.8 bar (11.6 psi) (absolute pressure, to prevent cavitation)
• Volumetric Efficiency: ≥95% (at rated pressure and speed)
• Mechanical Efficiency: ≥90% (at rated pressure and speed)

3. Fluid Requirements

• Fluid Type: Anti-wear hydraulic oil (ISO VG 32, 46, 68 recommended); Compatible with water-glycol and water-in-oil emulsion (40%/60%)
• Fluid Temperature Range: -20°C to 80°C (-4°F to 176°F); Maximum intermittent temperature: 90°C (194°F)
• Fluid Cleanliness: ISO 14644-1 Class 16/14 (NAS 8级); Recommended filtration: 10 μm absolute
• Viscosity Range: 10 to 400 mm²/s (cSt) at operating temperature

4. Mounting & Shaft Specifications

• Mounting Type: Flange Mounting (conforms to SAE standards)
• Shaft Rotation: Clockwise (viewed from the shaft end); Left-hand rotation is available on request
• Shaft End: Standard Design (y-type)
• Shaft Diameter: 25.4 mm (1 inch) (SAE standard)
• Swash Plate Movement: One side of center (pressure compensated models only)

5. Control & Adjustment

• Control Type: Pressure Compensator (adjustable maximum displacement stop)
• Pressure Compensator Range: 250 to 2000 psi (17.2 to 137.9 bar)
• Control Design Number: 11 (standard configuration)
• Port Configuration: Side Ports (w-type)

6. Physical & Environmental Parameters

• Approximate Weight: 15 kg (33 lb)
• Ambient Temperature Range: -20°C to 55°C (-4°F to 131°F)
• Protection Class: IP54 (against dust and splashing water)
• Material: Pump Housing – Cast Iron; Piston & Shaft – Alloy Steel

7. Standard Compliance & Notes

• Compliance: Conforms to ISO 3019-2 and VDMA 24560-1 standards (for flange mounting)
• Note 1: The maximum operating pressure and speed shall not be exceeded simultaneously to avoid premature wear.
• Note 2: Regular maintenance of fluid cleanliness is essential to ensure the pump’s service life.
• Note 3: All parameters are based on standard operating conditions; deviations may occur under special working environments.