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

FTI Air Model FT15Z 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: 1/2” FNPT x ¾” FNPT
* Optional NPT or BSP threaded center port location in either horizontal or vertical position.


Maximum Flow Rate: 125 gpm (473 lpm)
Maximum Air Supply Pressure: 100 psi (6.9 bar)
Displacement Per Stroke: 0.24 gal (0.91 lit)
Minimum Air Inlet Pressure: 10 psig (0.7 bar)
Maximum Particle Size: 0.32” (8.2 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, Aluminum, 316SS, PTFE, Neoprene, Buna, EPDM, FKM, Santoprene™, Hytrel®, Polyurethane
O-ring Materials Buna, FKM, Santoprene™, Polyurethane, FEP/FKM, EPDM, Neoprene


Dimensions & Weights
Maximum Height: 26-5/8” (677 mm)
Maximum Width: 18-11/16” (475 mm)
Maximum Depth: 11-13/32” (290 mm)
Weight – Polypropylene: 41 lb (18.6 kg)
Weight – PVDF: 60 lb (27.2 kg)

Please refer to manual below.

Manual Download


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