Gorman-Rupp RD2A31-B

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Size: 3" x 2" (76 mm x 51 mm) Flanged.
Casing: Ductile Iron 65-45-12.
Maximum Operating Pressure 144 psi (993 kPa).*
Enclosed Type, Four Vane Impeller: Aluminum 356-T6.
Handles 1/4" (6,4 mm) Diameter Spherical Solids.
Impeller Shaft:Steel 1045.
Rotor:Copper Alloy C93200.
Bearing Housing: Ductile Iron 65-45-12.
Bearing Housing Lubrication: Grease.
Body Cover: Ductile Iron 65-45-12.
Center/Spacer Plate:Ductile Iron 65-45-12.
Radial Bearing:Permanently Sealed
Single Row Ball Type.
Thrust Bearing:Permanently Sealed Single Row Ball Type.
Gaskets: Vegetable Fiber, PTFE and Cork.
Priming: Rotary Vane Type, with Built-in Spring-Loaded Priming Assist Valve.
Optional Equipment: Cast Steel 70-36 Threaded Suction and Discharge
Companion Flange Kit, Copper Alloy C93700 Impeller, Group Grind with
Cast Iron Rotor; Stainless Steel 416 Impeller Shaft; Buna-N Seal, PTFE Seal
with Fluorocarbon O-Ring, PTFE Seal with Buna-N O-Ring, Oil Filled Bearing
Housing Assembly.*
Consult Factory for Applications Exceeding Maximum Pressure and/or Temperature Indicated. 


Suction 3" (76 mm)
Discharge 2" (51 mm)
Solids Handling 0.25" (6 mm)
Material Ductile Iron
Impeller Material Aluminum
Seal Material Carbon/Ni-Resist
Flange ASA
Drive Type Basic