Gorman-Rupp, Self Priming Diaphragm Pump, 52 RPM, 3 BHP-4D-B

Diaphragm pumps by Gorman-Rupp help you pump muddy, mucky, sand-laden liquids and slow seepage for construction, agricultural and industrial applications that require the pumps to run dry for extended lengths of time. Available basic or electric driven.

Specifications:

• Size: 4” or 3” x 4” (102 mm or 76 mm x 102 mm) NPT- female.
• Handles 2 1/4” (57 mm) diameter spherical solids with 3” (76 mm) NPT suction.
• Suction Chamber: Aluminum 356-T6.
• Discharge Flange: Aluminum 356-T6.
• Gaskets: Neoprene and vegetable fiber.
• Crank Shaft: Ductile iron 60?40?18.
• Crank Shaft Bearing: Roller type.
• Bearing Cap: Gray iron 30.
• Bearing Housing: Aluminum 356-T6.
• Gearbox Housing: Aluminum 356-T6.
• Gears: Gray iron 30 and hardened carbon steel.
• Plunger Spring: Spring steel 5160.
• Drive Shaft: Steel 1215.
• Pinion Shaft: Alloy steel 8620.
• Diaphragm: Neoprene.
• Diaphragm Pot: Aluminum 356-T6.
• Diaphragm Ring: Aluminum 356-T6.
• Upper Diaphragm Plate: Carbon steel C1015.
• Lower Diaphragm Plate: Gray iron 40.
• Flap Valve Seats: Gray iron 30.
• Flap Valves: Neoprene.
• Flap Valve Weights: Steel 1010/1020.

Downloads:

Spec Sheet
Operations Manual