½”/13 mm Metallic Air Operated Double Diaphragm Pump

FTI Air Model FT05 metal 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 aluminum or 316 stainless steel 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: 1/2” x 1/2”
Porting Location*: End
Connection Types**: NPT, BSP
Air Inlet & Air Exhaust Size: 1/4” 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: 20 gpm (76 lpm)
Maximum Air Supply Pressure: 120 psi (8.3 bar)
Displacement Per Stroke: 0.026 gal (0.10 lit)
Minimum Air Inlet Pressure: 10 psig (0.7 bar)
Maximum Particle Size: 0.19″ (4.7 mm)
Sound Pressure: 72.1 dB(A)
Operating Temperature: Determined by elastomers


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


Dimensions & Weights
Maximum Height: 9-27/32” (250 mm)
Maximum Width: 9-5/8” (245 mm)
Maximum Depth: 6-11/16” (170 mm)
Weight – Aluminum: 11.7 lb (5.3 kg)
Weight – Stainless Steel: 15.5 lb (7.0 kg)

Please refer to manual below.

Manual Download


CE Ex and 5 year warranty logo

Patent D746873, D746872

FT05S SS Side

FT05A Aluminum Front


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