Gorman-Rupp 84B31-B

Size: 4" x 4" (102 mm x 102 mm) NPT - Female.
Casing: (Models 84B3-B and 84B52-B) Gray Iron 30.
(Model 84B31-B): Ductile Iron 65-45-12.
Maximum Operating Pressure 74 psi (510 kPa)*.
Semi-Open Type, Four Vane Impeller: Gray Iron 30.
Handles 1 1/4" (31,8 mm) Diameter Spherical Solids.
Impeller Shaft: Carbon Steel 1045.
Replaceable Wear Plate: Carbon Steel 1026.
Pedestal: Gray Iron 30.
Seal Plate: (Models 84B3-B and 84B52-B) Gray Iron 30.
(Model 84B31-B): Ductile Iron 65-45-12.
Shaft Sleeve: Alloy Steel 4130.
Flap Valve: Buna-N and Carbon Steel.
Radial Bearing: Open Single Row Ball.
Thrust Bearing: Open Double Row Ball.
Bearing Lubrication: SAE 30 Non-Detergent Oil.
Flanges: Gray Iron 30.
Gaskets: Cork.
O-Ring: Buna-N.
Hardware: Standard Plated Steel.
Optional Equipment: Strainer. 120V/240V Casing Heater.
Gray Iron 30 Suction and Discharge Spool Flanges:
4" ASA and100 mm DIN 2527 (PN 16).
*Consult Factory for Applications Exceeding Maximum
Pressure and/or Temperature Indicated.