Gorman-Rupp U4B60S-B /F

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Size: 4" x 4" (102 mm x 102 mm) NPT - Female.
Casing: Gray Iron 30.
Maximum Operating Pressure 128 psi (883 kPa).*
Semi-Open Type, Six Vane Impeller: Ductile Iron 60-40-18.
Handles 1 1/8" (28,6 mm) Diameter Spherical Solids.
Impeller Shaft: Alloy Steel 4150.
Replaceable Wear Plate: Gray Iron 30.
Removable Adjustable Cover Plate: Gray Iron 30; 60 lbs. (27 kg).
Bearing Housing: Gray Iron 30.
Seal Plate: Gray Iron 30.
Shaft Sleeve: Alloy Steel 4130.
Flap Valve: Neoprene w/Nylon and Steel Reinforcing.
Radial Bearing: Open Single Row Ball.
Thrust Bearing: Open Double Row Ball.
Bearing and Seal Cavity Lubrication: SAE 30 Non-Detergent Oil.
Flanges: 125# Gray Iron 30.
Gaskets: Cork, Rubber, Vegetable Fiber, PTFE, Buna-N w/Compressed
Synthetic Fibers.
O-Rings: Buna-N.
Hardware: Standard Plated Steel.
Brass Pressure Relief Valve.
Bearing and Seal Cavity Oil Level Sight Gauges.
Optional Equipment: Stainless Steel 316 Seal Plate, Wear Plate and Pressure
Relief Valve. G-R Hard Iron Impeller, Seal Plate and Wear Plate. Automatic
Air Release Valve. 120V/240V Casing Heater. High Pump
Temperature Shutdown Kit. Permalon, Kalrez or Fluorocarbon Metal
Bellows Seals. Stainless Steel Cartridge Seal.
Gray Iron 30 Suction and Discharge Spool Flanges:
4" ASA (Specify Model U4B60S-B /F).
100 mm DIN 2527 (PN 16) (Specify Model U4B60S-B /FM).
*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 Cast Iron
Impeller Material Ductile Iron
Seal Material Silicon Carbide
Flange ASA Spool
Drive Type Basic