Gorman-Rupp T4A71S-B

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Features

Size: 4” x 4” (101 mm x 101 mm) NPT ‐ Female.
Casing: Gray Iron 30. Maximum Operating Pressure 86 psi (593 kPa).*
Semi‐Open Type, Two Vane Impeller: G‐R Hard Iron. Handles 3” (76,2 mm) Diameter Spherical Solids.
Impeller Shaft: Alloy Steel 4150.
Shaft Sleeve: Alloy Steel 4130.
Replaceable Wear Plate: Hardened Alloy Steel.
Removable Adjustable Cover Plate: Gray Iron 30; 41 lbs. (18 kg).
Flap Valve: Neoprene w/Nylon and Steel Reinforcing.
Seal Plate: G‐R Hard Iron.
Bearing Housing: Gray Iron 30.
Radial Bearing: Open Single Row Ball.
Thrust Bearing: Open Double Row Ball.
Bearing and Seal Cavity Lubrication: SAE 30 Non‐Detergent Oil.
Flanges: Gray Iron 30.
Gaskets: Buna‐N, Compressed Synthetic Fibers, Vegetable Fiber, PTFE, Cork, and Rubber.
O‐Rings: Buna‐N.
Hardware: Standard Plated Steel.
Brass Pressure Relief Valve.
Bearing and Seal Cavity Oil Level Sight Gauges.
Optional Equipment: Metal Bellows Seal. Automatic Air Release Valve. 120V/240V Casing Heater. High Pump Temperature Shutdown Kit. G‐R Hard Iron Casing. High Chrome Cast Iron Impeller. Self‐Cleaning Wear Plate.
Gray Iron 30 Suction and Discharge Spool Flanges:
4” ASA (Specify Model T4A71S‐B /F).
100 mm DIN 2527 (PN 16) (Specify Model T4A71S‐B /FM).
*Consult Factory for Applications Exceeding Maximum Pressure and/or Temperature Indicated.

Specifications

Suction 4" (102 mm)
Discharge 4" (102 mm)
Solids Handling 3" (76 mm)
Solids Handling Cast Iron
Impeller Material ADI
Seal Material Silicon Carbide
Flange ASA
Drive Type Basic

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