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.
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ARO PD05A-ASS-STT-B — 1/2" Stainless Steel Diaphragm Pump, PTFE Diaphragm
Regular price $2,413.26 USDRegular price$2,735.00 USDSale price $2,413.26 USDSale -
ARO PD05A-AAS-FTT-B — 1/2" Aluminum Diaphragm Pump, PTFE Diaphragm
Regular price $1,433.57 USDRegular price$1,625.00 USDSale price $1,433.57 USDSale -
ARO PD05A-AAS-FCC-B — 1/2" Aluminum Diaphragm Pump, Hytrel Diaphragm
Regular price $1,208.48 USDRegular price$1,370.00 USDSale price $1,208.48 USDSale -
ARO PD03P-ARS-PTT — 3/8" Polypropylene Diaphragm Pump, PTFE Diaphragm
Regular price $695.57 USDRegular price$788.00 USDSale price $695.57 USDSale -
ARO PD03P-ARS-PAA — 3/8" Polypropylene Diaphragm Pump, Santoprene Diaphragm
Regular price $528.60 USDRegular price$599.00 USDSale price $528.60 USDSale -
ARO PD03P-APS-PTT — 3/8" Polypropylene Diaphragm Pump, PTFE Diaphragm
Regular price $670.66 USDRegular price$760.00 USDSale price $670.66 USDSale -
ARO PD03P-APS-PAA — 3/8" Polypropylene Diaphragm Pump, Santoprene Diaphragm
Regular price $502.77 USDRegular price$570.00 USDSale price $502.77 USDSale -
ARO PD03P-APS-0JC — 3/8" Polypropylene Diaphragm Pump, Hytrel Diaphragm
Regular price $535.05 USDRegular price$606.00 USDSale price $535.05 USDSale -
ARO PD03P-AKS-KTT — 3/8" Kynar PVDF Diaphragm Pump, PTFE Diaphragm
Regular price $1,069.18 USDRegular price$1,212.00 USDSale price $1,069.18 USDSale -
ARO PD03P-ADS-DTT — 3/8" Acetal Diaphragm Pump, PTFE Diaphragm
Regular price $833.94 USDRegular price$945.00 USDSale price $833.94 USDSale -
ARO PD01P-HPS-PTT-A — 1/4" Polypropylene Diaphragm Pump, PTFE Diaphragm
Regular price $570.11 USDRegular price$646.00 USDSale price $570.11 USDSale -
ARO PD01P-HPS-PAA-A — 1/4" Polypropylene Diaphragm Pump, Santoprene Diaphragm
Regular price $418.82 USDRegular price$475.00 USDSale price $418.82 USDSale -
ARO PD01P-HKS-KTT-A — 1/4" Kynar PVDF Diaphragm Pump, PTFE Diaphragm
Regular price $768.45 USDRegular price$871.00 USDSale price $768.45 USDSale -
ARO PD01E-HDS-DTT-A — 1/4" Acetal Diaphragm Pump, PTFE Diaphragm
Regular price $715.86 USDRegular price$811.00 USDSale price $715.86 USDSale -
ARO 6661U3-344-C — 1-1/2" Polypropylene Diaphragm Pump, PTFE Diaphragm
Regular price $1,401.28 USDRegular price$1,589.00 USDSale price $1,401.28 USDSale -
ARO 6661T3-3EB-C — 1-1/2" Polypropylene Diaphragm Pump, Santoprene Diaphragm
Regular price $1,401.28 USDRegular price$1,589.00 USDSale price $1,401.28 USDSale