Delavan Roller Pumps

• Ultra Rollers: Better performance, wear life and smooth operation.
• Ball Bearings: Heavy-duty sealed bearings support shaft at both ends; lubricated at the factory for the life of the pump.
• Seals: Viton cartridge type lip seal is standard
• Shaft: 416 stainless steel with and extra fine finish to minimize seal wear. 4-, 7-, and 8-Roller pumps - 15/16" dia. shaft.
• Seal Ring: Buna-N provides a positive seal between the end plate and the pump body.
• Ports: 3/4" (4-, 6-, 7-, and 8-roller pumps); 1" (5-Roller Pump)
• Rotor: Close tolerance machining assures maximum flow and pressure and helps prolong roller life. Made of a corrosion-resistance alloy.
• Mounting: 4-Roller Pump (5/16-18 UNC-2B, 2 holes); 6-Roller Pump (5/16-18 UNC-2B, 2 holes); 7-, 8-, and 5-Roller Pump (3/8-16 UNC-2B, 2 holes).

Roller Pump Features And Specifications

• Body Materials: Cast iron std.; Ni-Resist or Diamond alloy available for extra corrosion and wear resistance; Roundup-Resistant.

• Internal Materials: Stainless steel rotor, bearings and shaft; ultra rollers.

• Seals: Viton

• Flow Range: 6.5-46 gpm

• Max. Pressure Rating: 300 psi.

• Fluid Connections: 3/4"-14 NPT or 1"-11-1/2 NPT.

• Drive Options: Gas or electric motors; 1-3/8" or 1-3/4" PTO.