FTI Air, a division of Finish Thompson, Inc.

FTI AirModel FT025 -¼”/6 mm Non-Metallic Air Operated Double Diaphragm Pump

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The ¼”/6 mm Non-Metallic Air Operated Double Diaphragm Pump by FTI Air is engineered for efficient fluid transfer with minimal downtime. This model FT025 features an innovative stall-free air valve that operates without a separate pilot valve, ensuring reliability and simplicity. The pump's robust bolted construction prevents leaks, making it suitable for diverse fluid handling applications. It offers choices of wetted materials like polypropylene, PVDF, and conductive polypropylene, while diaphragms, balls, and seats are available in various materials, enhancing compatibility across different use cases. Designed with fewer components, the pump reduces the likelihood of mechanical failure, offering a cost-effective solution for industries requiring dependable pump performance. Operating at a pressure of 20 psig (1.4 bar) and equipped with Santoprene materials, this pump is versatile for chemical resistance needs and various industrial applications. This versatility is supported by accessible resources such as manuals and technical guides.
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Specifications

  • Suction & Discharge Size: 1/4” x 1/4”
  • Porting Location*: End
  • Connection Types: NPT / BSPT
  • Air Inlet & Air Exhaust Size: 1/8″ FNPT or BSPT

 

Capabilities

  • Maximum Flow Rate: 5.8 gpm (22 lpm)
  • Maximum Air Supply Pressure: 120 psi (8.3 bar)
  • Displacement Per Stroke: 0.005 gal (0.02 lit)
  • Minimum Air Inlet Pressure: 10 psig (0.7 bar) – PTFE
  • 20 psig (1.4 bar) – Santoprene
  • Maximum Particle Size: 0.06″ (1.8 mm)
  • Sound Pressure: 65.3 dB(A)
  • Operating Temperature: Determined by elastomers

 

Construction

  • Wetted Materials: Polypropylene, PVDF, Conductive Polypropylene
  • Diaphragm Materials: Santoprene™, PTFE
  • Air Valve: GFRPP, Conductive Acetal
  • Ball Materials: Santoprene™, PTFE
  • Seat Materials: Polypropylene, PVDF, Carbon Filled PTFE
  • O-ring Materials Santoprene™, FEP/FKM

 

Dimensions & Weights

  • Maximum Height: 6-7/8” (174 mm)
  • Maximum Width: 5” (127 mm)
  • Maximum Depth: 6-5/8” (168 mm)
  • Weight – Polypropylene: 2.3 lb (1.0 kg)
  • Weight – PVDF: 3.1 lb (1.4 kg)
  • Acids & Bases
  • Plating Solutions
  • Water & Wastewater
  • Paints, Inks, Solvents
  • Ceramic Slip & Glaze
  • Lubricants & Oils