Plastic Diaphragm Pumps

PS25

  • Air inlet: 1/2″
  • Fluid inlet: 1″
  • Fluid outlet: 1″
  • flow rate: 158 L/min (42 GPM)
  • Displacement per stroke: 0.42 L (0.11 gal)
  • pressure: 6.9 bar (100 psi)
  • solids passage: 6 mm (0.25″)
  • suction lift:
  • Dry: 3.5 m (12 ft)
  • Wet: 5.5 m (18 ft)
  • Air supply pressure: 1.4 to 6.9 bar (20 to 100 psi)
  • Max. temperature: 120 °C (250 °F)
DOWNLOAD CATALOG
Wetted Materials
  • Body and chamber: Polypropylene, PVDF
  • Diaphragms: Buna-N, Neoprene, PTFE (Teflon®), Santoprene, Viton
  • Balls: Buna-N, Neoprene, PTFE (Teflon®), Santoprene, Stainless Steel
  • Seats: Neoprene, Polypropylene, PTFE (Teflon®), Santoprene, Stainless Steel
Non-Wetted Materials
  • Resin-coated aluminum
  • Nickel-plated aluminum
  • PTFE (Teflon®)-coated aluminum
  • Stainless steel
Performance Curve
Dimensional Drawing
Advantages of Air-Operated Double Diaphragm Pumps
  • Can handle fluids that are:
    • Laden with large solids
    • High or low viscosity
    • Hazardous or abrasive
  • Self-priming
  • Ideal for maintaining system pressure without stressing its components
  • No mechanical seals, gaskets or packing
  • Can run dry without damage
  • Easily adjustable flow rate and pressure
  • Safe discharge pressure: no relief valve required
  • Lightweight, compact and easy to move
Model History

PS25,PP-AT-SP-PP-SP-0F
PS25,PP-AT-T/S-TT-PP-0F

PS25,KY-AT-SP-PP-SP-0F
PS25,KY-AT-T/S-PP-TT-0F