Gorman-Rupp 81 1/2A52-B » General Equipment & Supplies, Inc.

Gorman-Rupp 81 1/2A52-B

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Size: 1 1/2" x 1 1/2" (38 mm x 38 mm) NPT - Female.
Casing: Gray Iron 30.
Maximum Operating Pressure 60 psi (414 kPa)*.
Semi-Open Type, Three Vane Impeller: Ductile Iron 65-45-12.
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.
Shaft Sleeve: Stainless Steel 304.
Flap Valve: Buna-N, Steel and Gray Iron 30.
Radial and Thrust Bearings: Open Single Row Ball.
Bearing Lubrication: Grease.
Suction Flange: Gray Iron 30.
Gaskets: Cork.
Hardware: Standard Plated Steel and Stainless Steel.
Discharge Service Tee: Ductile Iron.
Optional Equipment: Silicon Carbide Seal. Viton Seal.
All Iron Construction.
*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 Ductile Iron
Seal Material Carbon/Ceramic
Flange ASA
Drive Type Basic