Gorman-Rupp 81 1/2B3-B » General Equipment & Supplies, Inc.

Gorman-Rupp 81 1/2B3-B

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Size: 1 1/2" x 1 1/2" (38,1 mm x 38,1 mm) NPT - Female.
Casing: Gray Iron 30.
Maximum Operating Pressure 55 psi (379 kPa)*.
Semi-Open Type, Three Vane Impeller: Gray Iron 30.
Handles 5/8" (15,8 mm) Diameter Spherical Solids.
Impeller Shaft: Carbon Steel 1215.
Replaceable Wear Plate: Carbon Steel 1026.
Pedestal: Gray Iron 30.
Seal Plate: Gray Iron 30.
Flap Valve: Buna-N w/Nylon Reinforcement,
Gray Iron 30 and Steel.
Shaft Sleeve: Stainless Steel 304.
Radial and Thrust Bearings: Open Single Row Ball.
Bearing Lubrication: Grease.
Flange: Gray Iron 30.
Gaskets: Cork.
Hardware: Standard Plated Steel.
Discharge Service Tee: Ductile Iron.
Optional Equipment:
All Iron Construction. Strainer.
Consult Factory for Additional Options.
*Consult Factory for Applications Exceeding Maximum
Pressure and/or Temperature Indicated.


Suction 1.5" (38 mm)
Discharge 1.5" (38 mm)
Solids Handling 0.63" (16 mm)
Material Cast Iron
Impeller Material Cast Iron
Seal Material Carbon/Ceramic
Flange ASA
Drive Type Basic