Diaphragm Pumps Ltd

• Patented, "Unstallable", Stall-Free Air Motor Design
• Bolted Construction for a Safe, Sure-Fit Seal against Material Leaks.
• Ice-Free Air Motor Design
• Sealless Design avoids costly pump tear-down.
• ISO 9001 - Registered
• CE - Compliant
• 5 - Year Warranty

• Port Sizes (Max.Flows): 1/4"(4.5 GPM), 1/2"(13 GPM), 1"(40 GPM), 1-1/2" (100 GPM), 2" (145 GPM)
• PUMP MATERIAL CHOICES( Note: Not all pump models contain every material listed. Consult I-R/ARO or Catalog for specific trimmings.)
• BODY: Conductive Acetal (Patented), Polypropylene, Kynar ® (PVDF)
• WETTED PARTS:
• CHECKS: Stainless Steel, Santoprene® , Buna N, Viton® , Teflon ® , EPR, Neoprene, Polyurethane
• CHECK SEATS: Polypropylene, Kynar, Acetal, Stainless Steel
• DIAPHRAGMS: Santoprene, Neoprene, Teflon, Viton, Hytrel, EPR, Buna N

Viton® is a registered trademark of DuPont Dow elastomers.

Port Sizes ( Max. Flows): 1" ( 35 GPM), 1-1/2" (100 GPM), 2" (170 GPM),3" (275 GPM)

• PUMP MATERIAL CHOICES (Note: Not all pump models contain every material listed. Consult I-R/ARO or Catalog for specific trimmings.)
• BODY: Aluminum, Cast Iron , Stainless Steel
• WETTED PARTS:
• CHECKS: Neoprene, Buna N, Viton, Geolast ® , Santoprene, Teflon, EPR, Acetal, Polyurethane, Stainless Steel
• CHECK SEATS: Stainless Steel, Polypropylene, Kynar (PVDF), 316 and 400 Stainless Steel, Santoprene, Geolast, Hard 440 S.S.
• DIAPHRAGMS: Neoprene, Buna N, Viton, Teflon, EPR, Hytrel, Santoprene, Geolast

2" PORTS, "FLAP" VALVE PUMP

Capable of passing abrasive slurries and other pipe-sized particles, the ARO Flap Valve Diaphragm Pump is the ideal process pump.

• Flow: 160 GPM (Max.)
• PUMP MATERIALS:
• BODY: Aluminum, Stainless Steel, Cast Iron
• FLAP CHECKS: Santoprene, Geolast
• CHECK SEATS: 316 Stainless Steel
• DIAPHRAGM: Santoprene, Geolast

1" PORTS, 3:1 RATIO, HIGH-PRESSURE PUMP

For paint recirculation or any process where sustained, high transfer pressures are required, the ARO 3:1 pump is the no-stall solution.

• Flow: 24 GPM (Max.)
• Operating Pressure: 300 PSI (Max.)
• PUMP MATERIALS:
• BODY: Aluminum, Stainless Steel
• CHECKS: Stainless Steel
• CHECK SEATS: Stainless Steel
• DIAPHRAGMS: Teflon

What's New

IR ARO® Introduces New EXP Diaphragm Pump Line

U.L. LISTED, FUEL TRANSFER PUMPS
Designed specifically for handling petroleum based fuels, these pumps meet U.L.- 79 specification code and are compatible with gasoline, diesel fuel, kerosene, aviation fuel,fuel oil, and unleaded fuels. Pumps are available in 1"(29 GPM Max.) and 1-1/2"(75 GPM Max.) port sizes and feature aluminum construction.

ARO ® is the registered trade mark of Ingersoll Rand