Packs a Punch - Diaphragm Valve Type 604/605

The full-plastic diaphragm valve 604 / 605 with integrated pneumatic actuator from GF Piping Systems ensures best flow performance in compact design. With this corrosion free valve we offer an additional product with the most economic price-performance ratio which is suitable for many applications.

Diaphragm Valve Type 604/605

Easy installation and operation

  • The compact design enables installation in limited spaces
  • No re-torqueing needed due to full plastic design without metal parts and screws
  • Radially dismountable due to true unions
  • Maintenance free
  • Same installation length as all GF diaphragm valves and market standard valves
  • Integrated optical position feedback
  • QR-Code on valve leads to online available product documents

High safety

  • Uniform temperature expansion of plastic/plastic connection prevents leakages
  • High chemical resistance due to large material range

High Flexibility

  • Operation options: FC, FO, DA
  • Diaphragms available in PTFE, FPM, EPDM for neutral and aggressive media
  • Various connection options with true union or spigot version
  • Available Standards: Metric, ASTM, BS, JIS
  • Best quality and reliability for high number of cycles
  • Long lifetime

Best flow performance

  • Linear fl ow characteristic for simple valve control
  • Optimized fl ow geometry with soft transitions and radii doubles the flow rate
  • Suitable for media with low number of particles/solids


  • Chemical Process Industry
  • Dosing
  • Water Treatment
Diaphragm Valve Type 604/605 Features