1 ½”/38 mm Non-Metallic Air Operated Double Diaphragm Pump

FTI Air Model FT15 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: 1.5” x 1.5”
Porting Location: End
Connection Types: ANSI/DIN/ISO flange
Air Inlet & Air Exhaust Size: ¾” FNPT x ¾” FNPT


Maximum Flow Rate: 125 gpm (473 lpm)
Maximum Air Supply Pressure: 100 psi (6.9 bar)
Displacement Per Stroke: 0.31 gal (1.2 lit)
Minimum Air Inlet Pressure: 10 psig (0.7 bar)
Maximum Particle Size: 0.35” (8.9 mm)
Sound Pressure: 77 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, Santoprene™, FKM, EPDM, PTFE, Buna
Seat Materials: Polypropylene, PVDF
O-ring Materials Buna, FKM, Santoprene™, polyurethane, FEP/FKM


Dimensions & Weights
Maximum Height: 29-31/32” (762 mm)
Maximum Width: 23-19/32” (600 mm)
Maximum Depth: 12-27/32” (326 mm)
Weight – Polypropylene: 66 lb (29.9 kg)
Weight – PVDF: 95 lb (43.1 kg)

thumbnail of FT15 plastic curve

FT15 Plastic Exploded View

FT15 Non Metallic Spare Parts List

CE warranty logos

FT15P Polypropylene Side

FT15P Polypropylene Front


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