Collection: Diaphragm Pumps
Air-operated double-diaphragm (AODD) pumps for transferring chemicals, solvents, slurries, adhesives, and abrasive or shear-sensitive fluids — no electricity at the pump, self-priming, run-dry safe, and deadhead-able. We list models from multiple manufacturers by exact part number, each with its real wetted-material build (diaphragm, balls, seats, fluid caps), so you can match the pump to your fluid instead of guessing from a series sheet. Every page shows the spec table, the manufacturer datasheet, and a clear price. Based in Texas with US support and short lead times — find your model number, confirm the build, and order online.
Keeping a pump running? Browse pulsation dampeners and pump accessories to smooth flow and protect your system.
-
ARO 6661AJ-322-C — 1" Polypropylene Diaphragm Pump, Nitrile Diaphragm
Regular price $1,310.88 USDMSRP Manufacturer's suggested retail price$1,576.00 USDYour price Your price $1,310.88 USDSale -
ARO 6661A3-3EB-C — 1" Polypropylene Diaphragm Pump, Santoprene Diaphragm
Regular price $1,401.28 USDMSRP Manufacturer's suggested retail price$1,685.00 USDYour price Your price $1,401.28 USDSale -
ARO 6661A3-34B-C — 1" Polypropylene Diaphragm Pump, Santoprene Diaphragm
Regular price $1,454.79 USDMSRP Manufacturer's suggested retail price$1,748.00 USDYour price Your price $1,454.79 USDSale -
ARO 6661A3-344-C — 1" Polypropylene Diaphragm Pump, PTFE Diaphragm
Regular price $1,724.16 USDMSRP Manufacturer's suggested retail price$2,073.00 USDYour price Your price $1,724.16 USDSale -
ARO 6661A3-311-C — 1" Polypropylene Diaphragm Pump, Neoprene Diaphragm
Regular price $1,401.28 USDMSRP Manufacturer's suggested retail price$1,685.00 USDYour price Your price $1,401.28 USDSale -
ARO 666162-2EB-C — 1-1/2" Cast Iron Diaphragm Pump, Santoprene Diaphragm
Regular price $2,370.83 USDMSRP Manufacturer's suggested retail price$2,822.00 USDYour price Your price $2,370.83 USDSale -
ARO 666162-24B-C — 1-1/2" Cast Iron Diaphragm Pump, Santoprene Diaphragm
Regular price $2,481.53 USDMSRP Manufacturer's suggested retail price$2,954.00 USDYour price Your price $2,481.53 USDSale -
ARO 666150-362-C — 1-1/2" Aluminum Diaphragm Pump, Nitrile Diaphragm
Regular price $1,649.43 USDMSRP Manufacturer's suggested retail price$1,964.00 USDYour price Your price $1,649.43 USDSale -
ARO 66612B-2A4-C — 1" Stainless Steel Diaphragm Pump, PTFE Diaphragm
Regular price $3,438.16 USDMSRP Manufacturer's suggested retail price$4,053.00 USDYour price Your price $3,438.16 USDSale -
ARO 66610A-322-C — 1" Aluminum Diaphragm Pump, Nitrile Diaphragm
Regular price $1,524.90 USDMSRP Manufacturer's suggested retail price$1,816.00 USDYour price Your price $1,524.90 USDSale -
ARO 666101-244-C — 1" Stainless Steel Diaphragm Pump, PTFE Diaphragm
Regular price $3,006.43 USDMSRP Manufacturer's suggested retail price$3,545.00 USDYour price Your price $3,006.43 USDSale -
ARO 666100-3EB-C — 1" Aluminum Diaphragm Pump, Santoprene Diaphragm
Regular price $1,454.79 USDMSRP Manufacturer's suggested retail price$1,732.00 USDYour price Your price $1,454.79 USDSale -
ARO 666100-361-C — 1" Aluminum Diaphragm Pump, Neoprene Diaphragm
Regular price $1,454.79 USDMSRP Manufacturer's suggested retail price$1,732.00 USDYour price Your price $1,454.79 USDSale -
ARO 666100-344-C — 1" Aluminum Diaphragm Pump, PTFE Diaphragm
Regular price $1,737.99 USDMSRP Manufacturer's suggested retail price$2,069.00 USDYour price Your price $1,737.99 USDSale -
ARO 666100-244-C — 1" Aluminum Diaphragm Pump, PTFE Diaphragm
Regular price $1,947.40 USDMSRP Manufacturer's suggested retail price$2,319.00 USDYour price Your price $1,947.40 USDSale -
ARO 666100-122-C — 1" Aluminum Diaphragm Pump, Nitrile Diaphragm
Regular price $1,524.90 USDMSRP Manufacturer's suggested retail price$1,816.00 USDYour price Your price $1,524.90 USDSale