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.
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ARO 666053-0D2 — 1/2" Polypropylene Diaphragm Pump, Nitrile Diaphragm (Flap Valve)
Regular price $1,021.25 USDRegular price$1,075.00 USDSale price $1,021.25 USDSale -
ARO PD05R-ASS-STT-B — 1/2" Stainless Steel Diaphragm Pump, PTFE Diaphragm
Regular price $2,492.80 USDRegular price$2,624.00 USDSale price $2,492.80 USDSale -
ARO PD07P-APS-PTT — 3/4" Polypropylene Diaphragm Pump, PTFE Diaphragm
Regular price $1,325.25 USDRegular price$1,395.00 USDSale price $1,325.25 USDSale -
ARO PD07P-APS-PAA — 3/4" Polypropylene Diaphragm Pump, Santoprene Diaphragm
Regular price $977.13 USDRegular price$1,128.00 USDSale price $977.13 USDSale -
ARO PD05R-AAS-STT-B — 1/2" Aluminum Diaphragm Pump, PTFE Diaphragm
Regular price $1,491.50 USDRegular price$1,570.00 USDSale price $1,491.50 USDSale -
ARO PD05R-AAS-PGG-B — 1/2" Aluminum Diaphragm Pump, Nitrile Diaphragm
Regular price $1,141.90 USDRegular price$1,202.00 USDSale price $1,141.90 USDSale -
ARO PD05P-BRS-PAA-B — 1/2" Polypropylene Diaphragm Pump, Santoprene Diaphragm
Regular price $970.90 USDRegular price$1,022.00 USDSale price $970.90 USDSale -
ARO PD05P-ARS-PTT-B — 1/2" Polypropylene Diaphragm Pump, PTFE Diaphragm
Regular price $1,117.71 USDRegular price$1,290.00 USDSale price $1,117.71 USDSale -
ARO PD05P-ARS-PAA-B — 1/2" Polypropylene Diaphragm Pump, Santoprene Diaphragm
Regular price $910.60 USDRegular price$1,022.00 USDSale price $910.60 USDSale -
ARO PD05P-APS-PTT-B — 1/2" Polypropylene Diaphragm Pump, PTFE Diaphragm
Regular price $1,181.80 USDRegular price$1,244.00 USDSale price $1,181.80 USDSale -
ARO PD05P-APS-PAA-B — 1/2" Polypropylene Diaphragm Pump, Santoprene Diaphragm
Regular price $868.22 USDRegular price$976.00 USDSale price $868.22 USDSale -
ARO PD05P-ALS-KTT-B — 1/2" Kynar PVDF Diaphragm Pump, PTFE Diaphragm
Regular price $2,309.45 USDRegular price$2,431.00 USDSale price $2,309.45 USDSale -
ARO PD05P-ALS-KAA-B — 1/2" Kynar PVDF Diaphragm Pump, Santoprene Diaphragm
Regular price $2,042.50 USDRegular price$2,150.00 USDSale price $2,042.50 USDSale -
ARO PD05P-AKS-KTT-B — 1/2" Kynar PVDF Diaphragm Pump, PTFE Diaphragm
Regular price $2,262.90 USDRegular price$2,382.00 USDSale price $2,262.90 USDSale -
ARO PD05P-AES-DTT-B — 1/2" Acetal Diaphragm Pump, PTFE Diaphragm
Regular price $1,482.95 USDRegular price$1,561.00 USDSale price $1,482.95 USDSale -
ARO PD05A-ASS-STT-B — 1/2" Stainless Steel Diaphragm Pump, PTFE Diaphragm
Regular price $2,702.75 USDRegular price$2,845.00 USDSale price $2,702.75 USDSale