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Gorman-Rupp 64K31‐B 6″ x 4″ Standard Centrifugal Pump

Suction 6″ (150 mm)
Discharge 4″ (100 mm)
Solids Handling 0.5″ (13 mm)
Casing Ductile Iron
Impeller/Rotor Aluminum
Seal Material Carbon/Ni-Resist
Flange ASA
Drive Type Basic

Gorman-Rupp 60 Series pumps are standard centrifugal, high pressure, high volume pumps with exceptional efficiencies (up to 85%). Discharge on many models can be placed in any position by turning the pump casing.

  • Size: 6” x 4” (152 mm x 102 mm) Flanged.
  • Casing: Ductile Iron 65‐45‐12. Maximum Casing Pressure 260 psi (1793 kPa).* Maximum Operating Pressure 250 psi (1723 kPa) at Temperatures up to 100F (37C) Based on System Component Limitations.
  • Enclosed Type, Five Vane Impeller: Aluminum Alloy 356‐T6. Handles 1/2” (12,7 mm) Diameter Spherical Solids.
  • Impeller Shaft: Carbon Steel 1045.
  • Bearing Housing: Ductile Iron 65‐45‐12.
  • Radial Bearing: Open Double Row Ball.
  • Thrust Bearing: Open Single Row Ball.
  • Bearing Lubrication: SAE 30 Non‐Detergent Oil.
  • Body Cover: Ductile Iron 65‐45‐12.
  • Gaskets: Vegetable Fiber and Cork.
  • Hardware: Standard Plated Steel.