1”/25 mm Metallic Air Operated Double Diaphragm Pump

FTI Air Model FT10 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 316 stainless steel or aluminum 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**: FNPT, FBSPT
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
**Optional ANSI/DIN/ISO flange connection upgrade available upon request (SS models only)


Maximum Flow Rate: 51 gpm (193 lpm)
Maximum Air Supply Pressure: 120 psi (8.3 bar)
Displacement Per Stroke: 0.084 gal (0.32 lit)
Minimum Air Inlet Pressure: 10 psig (0.7 bar)
Maximum Particle Size: 0.25” (6.4mm)
Sound Pressure: 73.6 dB(A)
Operating Temperature: Determined by elastomers


Wetted Materials: 316SS or Aluminum
Diaphragm Materials: Neoprene, Santoprene™, FKM, EPDM, PTFE, Buna, Hytrel®, polyurethane
Air Valve: GFRPP, Aluminum
Ball Materials: Neoprene, Buna, Santoprene™, FKM, EPDM, PTFE
Seat Materials: Aluminum, 316SS, PTFE
O-ring Materials Neoprene, Buna, FKM, EPDM, PTFE, FEP/FKM


Dimensions & Weights
316 Stainless Steel Aluminum
Maximum Height: 14-3/16” (360 mm) 14-13/32” (366 mm)
Maximum Width: 14-5/16” (364 mm) 14-3/4” (375 mm)
Maximum Depth: 10-11/16” (271 mm) 10-11/16” (271 mm)
Weight: 48.7 lb (22.1 kg) 34.2 lb (15.5 kg)

Please refer to manual below.

Manual Download


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