Gorman-Rupp 81 1/4A3-B » General Equipment & Supplies, Inc.

Gorman-Rupp 81 1/4A3-B

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Size: 1 1/4" x 1 1/4" (32 mm x 32 mm) NPT - Female.
Casing: Gray Iron 30.
Maximum Operating Pressure 27 psi (186 kPa).*
Semi-Open Type, Five Vane Impeller:
(81 1/4A3−B) Copper Alloy C93700.
(81 1/4A52−B) Gray Iron 30.
Handles 1/4" (6,4 mm) Diameter Spherical Solids.
Impeller Shaft: Carbon Steel 1215.
Replaceable Vane Plate: Gray Iron 30.
Bearing Housing: Gray Iron 30.
Intermediate: Gray Iron 30.
Radial and Thrust Bearings: Sealed Single Row Ball Type.
Bearing Lubrication: Self-Lubricated.
Gaskets: Vegetable Fiber.
Hardware: Standard Plated Steel.
Optional Equipment: Strainer.
Consult Factory for Additional Options.
*Consult Factory for Applications Exceeding Maximum
Pressure and/or Temperature Indicated.


Suction 1.25" (32 mm
Discharge 1.25" (32 mm
Solids Handling 0.25" (6 mm)
Solids Handling Cast Iron
Impeller Material Copper Alloy
Seal Material Carbon/Ni-Resist
Flange ASA
Drive Type Basic