Corken PT-Model Pumps

PT-Models are low pressure pumps with a combination of O-ring and gasket construction. Unlike the CD-models, PT-models do not have a replaceable cam or reversible side plates.

  • Low pressure design with combination of O-ring and gasket construction
  • Mechanically sealed with cast iron seal seat
  • Four or six vanes and vane drivers (depends on the model)
  • Adjustable internal relief valve
  • Cam and side plates are not replaceable
  • Suitable for petroleum products and industrial solvents

Specification

  • Model: PT20
  • Size: 2 in. NPT
  • Flow Rate: 88 GPM (333 LPM)
  • Pump Speed: 780 RPM
  • Viscosity: 20,000 SSU (4,250 cP)
  • Differential Pressure: 125 PSI (8.6 bar)
  • Working Pressure: 200 PSI (13.8 bar)
  • Maximum Temperature: 300°F (149°C)
  • Case/Head/Flanges Material: Cast Iron ASTM A48
  • Rotor: Ductile Iron ASTM A536
  • Bearing Cap: Steel
  • Bearings: Ball (Single Row), Grease Lubricated to 300°F (149°C) Max.
  • Vanes: Full size with 316 SS Wear Plate
  • Bypass Valve: Cast Iron ASTM A48 Electroless Nickel Plated
  • Bypass/AOV Cap & Valve Cover: Cast Iron A48
  • Bypass Valve Spring: Plated Steel
  • Bypass Valve Spring Ranges: 35 – 125 PSI (2.4 – 8.6 bar)
  • Seal Seat: Cast Iron
  • Seal Metal Parts: Steel
  • Shaft: Double Ended Keyed Shaft, High Strength Steel
  • O-Ring: Viton® to 300°F (149°C)
  • Gaskets: Composition to 500°F (260°C)
  • Vane Drivers: Case Hardened Steel
  • Gage Ports: 1/4 in. NPT
  • Compatible Fluids: Petrochemicals, Gasoline, Biofuels, Ethanol, Solvents

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