2”/51 mm Metallic Air Operated Double Diaphragm Pump

FTI Air Model FT20 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.

 

Specifications :

Suction & Discharge Size: 2” x 2”

Porting Location: Center

Connection Types: FNPT, BSPT, ANSI/DIN/ISO flange*

Air Inlet & Air Exhaust Size: ¾” FNPT x ¾” FNPT

*ANSI/DIN/ISO flange connection available for SS models only

 

Capabilities :

Maximum Flow Rate: 156 gpm (590 lpm)

Maximum Air Supply Pressure: 120 psi (8.3 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

 

Construction :

Wetted Materials: 316SS or Aluminum

Diaphragm Materials: Neoprene, Santoprene™, FKM, EPDM, PTFE, Buna, Hytrel®, or polyurethane

Air Valve: GFRPP, Aluminum

Ball Materials: Neoprene, Buna, Santoprene™, FKM, EPDM, or PTFE

Seat Materials: Aluminum, 316SS, PTFE, Hytrel®, Buna, Neoprene, FKM, EPDM, Santoprene™, or polyurethane

O-ring Materials Neoprene, Buna, FKM, EPDM, PTFE, or FEP/FKM

 

 

Dimensions & Weights : 316 Stainless Steel

Maximum Height: 30-3/32” (765 mm)

Maximum Width: 20-15/32” (520 mm)

Maximum Depth: 12-27/32” (326 mm)

Weight: 130 lb (59.9 kg)

 

Aluminum

28-7/8” (733 mm)

20-7/8” (530 mm)

12-27/32” (326 mm)

87 lb (39.5 kg)

 

Applications :

• Acids & Bases

• Plating Solutions

• Water & Wastewater

• Paints, Inks, Solvents

• Ceramic Slip & Glaze

• Lubricants & Oils