YUKEN PV2R3-52 and PV2R3-66 Vane Pumps Specifications

1. Basic Specifications

• Models: YUKEN PV2R3-52, YUKEN PV2R3-66
• Pump Type: Single Fixed Displacement Vane Pump (PV2R3 series)
• Application: Industrial Hydraulic Systems (injection molding machines, die casting machines, machine tools, plastic machinery, hydraulic presses, etc.), suitable for low noise and high reliability requirements
• Design Feature: High-pressure vane pump with low noise operation, cartridge kit design for easy maintenance, high-efficiency stator curve, compact structure, and interchangeable main internal spare parts
• Volumetric Efficiency: ≥92% (at rated pressure and speed)

2. Performance Parameters

• Geometric Displacement:
  • PV2R3-52: 52.0 cm³/rev (3.173 in³/rev)
  • PV2R3-66: 66.0 cm³/rev (4.027 in³/rev)
• Maximum Operating Pressure:
  • Petroleum-based Antiwear Oil (R&O type): 17.5 MPa (175 bar / 2538 psi) continuous, 21.0 MPa (210 bar / 3045 psi) intermittent
  • Water Glycol Fluids: 14.0 MPa (140 bar / 2030 psi) continuous
  • Phosphate Ester Fluids: 10.5 MPa (105 bar / 1523 psi) continuous
• Speed Range:
  • Maximum: 1800 rpm
  • Minimum: 600 rpm
  • Recommended: 1200-1800 rpm for optimal performance and efficiency
• Output Flow (at 1800 rpm, no load):
  • PV2R3-52: ~93.6 LPM (24.7 US GPM)
  • PV2R3-66: ~118.8 LPM (31.4 US GPM)
• Fluid Requirements:
  • Petroleum-based hydraulic oil (ISO VG 32, 46, 68), water glycol fluids, phosphate ester fluids
  • Viscosity Range: 10-400 cSt (at operating temperature), optimal 20-60 cSt
  • Inlet Pressure: -0.02 to 0.2 MPa (-0.29 to 2.9 psi), avoid negative pressure for extended life
• Oil Temperature Range: -10°C to 80°C (14°F to 176°F), maximum short-term 90°C (194°F)
• Noise Level: ≤65 dB(A) (at 1800 rpm, rated pressure)

3. Installation & Structural Parameters

• Mounting Flange: SAE “C” 4-bolt type (SAE J744-127-4), ISO 3019/2-125B4HW (optional)
• Shaft Rotation: Clockwise (R, standard) or Counterclockwise (L, optional) when viewed from the drive end
• Shaft Extension Type:
  • Standard: 31.8 mm (1.25 in) diameter straight keyed shaft, 56.0 mm (2.20 in) length
  • Optional: Splined shaft (SAE “C” 14-tooth or 17-tooth), SAE “CC”/”D” splined or keyed shaft
• Shaft Seal: Single lip seal (standard Buna N), optional double lip seal or fluorocarbon (Viton) seal for high temperature applications
• Main Ports:
  • Suction Port: 2.500″ SAE 4-bolt split flange (Code 61), 1/2-13 UNC-2B threads
  • Pressure Port: 1.000″ SAE 4-bolt split flange (Code 61), 3/8-16 UNC-2B threads
  • Drain Port: 0.875-14 UNF-2B SAE O-ring port (bottom position, top plugged as standard)
• Operating Weight:
  • PV2R3-52: 18.5 kg (40.8 lbs)
  • PV2R3-66: 19.2 kg (42.3 lbs)
• Cartridge Kit Design: Internal spare parts (rotor, vanes, stator, etc.) are assembled as a cartridge for quick replacement without removing the pump from the system

4. Performance & Maintenance Parameters

• Maximum Input Power:
  • PV2R3-52: ~25 kW (33.5 HP) at 1800 rpm, 17.5 MPa
  • PV2R3-66: ~32 kW (42.9 HP) at 1800 rpm, 17.5 MPa
• Oil Cleanliness Requirement: ISO 16/13 or cleaner (NAS 7 or better) for extended service life
• Filtration Recommendation: 10 μm absolute filter for pressure line, 25 μm for suction line
• Design Number: 30 (PV2R3 series standard), installation dimensions remain unchanged for design numbers 30-39
• Special Options:
  • Shaft seal options: single/double, Buna N/fluorocarbon
  • Mounting options: SAE “C” or ISO flange
  • Shaft options: keyed or splined
  • Port options: standard or custom positions

5. Model Coding Explanation (PV2R3-52-RAAA-30)

• PV2R3: Series Identifier (PV2R3 = single vane pump, size 3)
• 52/66: Nominal Displacement (52 cm³/rev or 66 cm³/rev)
• R/L: Shaft Rotation (R = Clockwise, L = Counterclockwise)
• A: Mounting Flange Type (A = SAE “C” 4-bolt)
• A: Shaft Type (A = straight keyed shaft)
• A: Port Position (A = standard position)
• 30: Design Number (PV2R3 series standard)