3”/76 mm Metallic Air Operated Double Diaphragm Pump
FTI Air Model FT30 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: | 3” x 3” |
| 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: | 240 gpm (908 lpm) | |||
| Maximum Air Supply Pressure: | 120 psi (8.3 bar) | |||
| Displacement Per Stroke: | 0.98 gal (3.7 lit) | |||
| Minimum Air Inlet Pressure: | 10 psig (0.7 bar) | |||
| Maximum Particle Size: | 0.50” (12.7 mm) | |||
| Sound Pressure: | 86.5 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 | Aluminum | |||||
| Maximum Height: | 36-3/8” (924 mm) | 34-13/16” (884 mm) | ||||
| Maximum Width: | 24-9/32” (617 mm) | 24-9/32” (617 mm) | ||||
| Maximum Depth: | 16-3/8” (416 mm) | 16-3/8” (416 mm) | ||||
| Weight: | 235 lb (107 kg) | 155 lb (70 kg) | ||||


Applications
- Acids & Bases
- Plating Solutions
- Water & Wastewater
- Paints, Inks, Solvents
- Ceramic Slip & Glaze
- Lubricants & Oils


FT30 Metal Manual PDF »
FT30 SS Tech Flyer PDF »
FT30 Aluminum Tech Flyer PDF »
Split Flange Instructions »
AODD Chemical Resistance Guide PDF »
Viscosity Chart »
Temperature Guide »
FTI Air Brochure PDF »