Gorman-Rupp 88A20-B » General Equipment & Supplies, Inc.

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Size: 8" x 8" (203 mm x 203 mm) NPT - Female.
Casing: Gray Iron 30.
Maximum Operating Pressure 79 psi (545 kPa).*
Semi-Open Type, Four Vane Impeller: Gray Iron 30.
Handles 2" (50,8 mm) Diameter Spherical Solids.
Impeller Shaft: Alloy Steel 4150.
Replaceable Wear Plate: Gray Iron 30.
Pedestal: Gray Iron 30.
Seal Plate: Gray Iron 30.
Seal Liner: (88A2–B) Copper Alloy C26000.
Shaft Sleeve: (88A20–B) Alloy Steel 4130.
Flap Valve: Buna-N and Steel.
Radial Bearing Open Single Row Ball.
Thrust Bearing: Open Double Row Ball.
Bearing Lubrication: SAE 30 Non-Detergent Oil.
Suction Flange: Gray Iron 30.
Gaskets: Vegetable Fiber.
O-Ring: Buna-N
Hardware: Standard Plated Steel and Stainless Steel.
Oil Level Sight Gauge.
Optional Equipment: 120/240 Volt Casing Heater.
*Consult Factory for Applications Exceeding Maximum
Pressure and/or Temperature Indicated.


Suction 8" (203 mm)
Discharge 8" (203 mm)
Solids Handling 2" (51 mm)
Solids Handling Cast Iron
Impeller Material Cast Iron
Seal Material Tungsten Carbide
Flange ASA
Drive Type Basic