Gorman-Rupp U4B65S-B /F

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Size: 4" x 4" (102 mm x 102 mm) NPT - Female.
Casing: Stainless Steel CD4MCu.
Maximum Operating Pressure 128 psi (883 kPa).*
Semi-Open Type, Six Vane Impeller: Stainless Steel CD4MCu.
Handles 1 1/8" (28,6 mm) Diameter Spherical Solids.
Impeller Shaft: Stainless Steel 17-4 PH.
Replaceable Wear Plate: Stainless Steel CD4MCu.
Removable Adjustable Cover Plate: Stainless Steel CD4MCu;
55 lbs. (25 kg).
Bearing Housing: Stainless Steel CD4MCu.
Seal Plate: Stainless Steel CD4MCu.
Flap Valve: Stainless Steel CD4MCu w/Fluorocarbon Elastomers
(DuPont Viton or Equivalent).
Radial Bearing: Open Single Ball.
Thrust Bearing: Open Double Ball.
Bearing and Seal Cavity Lubrication: SAE 30 Non-Detergent Oil.
Suction Flange: 125# Stainless Steel CD4MCu.
Discharge Flange: 125# Stainless Steel 316.
Gaskets: Fluorocarbon (DuPont Viton or Equivalent) and PTFE.
O-Rings: Fluorocarbon (DuPont Viton or Equivalent).
Hardware: Stainless Steel 316.
Stainless Steel 316 Pressure Relief Valve.
Bearing and Seal Cavity Oil Level Sight Gauges.
Optional Equipment: Automatic Air Release Valve. 120V/240V
Casing Heater. High Pump Temperature Shutdown Kit. Metal
Bellows Seal. Stainless Steel CD4MCu Suction and Discharge
Spool Flanges;
4" ASA (Specify Model U4B65S-B /F).
102 mm DIN 2527.
*Consult Factory for Applications Exceeding
Maximum Pressure and/or Temperature Indicated.


Suction 4" (102 mm)
Discharge 4" (102 mm)
Solids Handling 1.13" (29 mm)
Material CD4MCu
Impeller Material CD4MCu
Seal Material Silicon Carbide
Flange ASA Spool
Drive Type Basic