1”/25 mm Non-Metallic Air Operated Double Diaphragm Pump

FTI Air Model FT10 plastic pumps features a unique stall free air valve that is simple, rugged and reliable and requires no separate pilot valve or a mechanically operated pilot valve. Bolted construction provides leak-free fluid handling. Pumps are available with polypropylene or PVDF wetted materials. Diaphragms, balls and seats are available in a wide range of materials to provide reliable operation in a wide variety of applications. FTI Air products have fewer parts, simpler design and are less prone to failure.

Suction & Discharge Size: 1” x 1”
Porting Location*: End
Connection Types: ANSI/DIN/ISO flange
Air Inlet & Air Exhaust Size: 1/2” FNPT x 1/2” FNPT
*Optional NPT or BSP threaded center port location in either horizontal or vertical position


Maximum Flow Rate: 49 gpm (185 lpm)
Maximum Air Supply Pressure: 100 psi (6.9 bar)
Displacement Per Stroke: 0.084 gal (0.32 lit)
Minimum Air Inlet Pressure: 10 psig (0.7 bar)
Maximum Particle Size: 0.25” (6.4 mm)
Sound Pressure: 73.6 dB(A)
Operating Temperature: Determined by elastomers


Wetted Materials: Polypropylene, PVDF
Diaphragm Materials: Neoprene, Santoprene™, FKM, EPDM, PTFE, Buna, Hytrel®, polyurethane
Air Valve: GFRPP, Aluminum
Ball Materials: Neoprene, Buna, FKM, EPDM, Santoprene™, PTFE
Seat Materials: Polypropylene, PVDF
O-ring Materials Buna, FKM, Santoprene™, polyurethane, FEP/FKM


Dimensions & Weights
Maximum Height: 17-7/8” (454 mm)
Maximum Width: 16-13/16” (427 mm)
Maximum Depth: 10-11/16” (271 mm)
Weight – Polypropylene: 24.0 lb (10.9 kg)
Weight – PVDF: 34.1 lb (15.5 kg)

Please refer to manual below.

Manual download



CE warranty logos

FT10V PVDF side (2)

FT10P Polypropylene Front


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