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Type 485

Pneumatically Operated Valve DN 15 - 100 mm (1/2" - 4")
Plastic diaphragm actuator


  • Plastic piston actuator directly mounted with the valve body
  • Compact design, the outside diameter of the actuator is the same size as the bonnet flange
  • Actuator high resistance to heat transfer
  • Smooth exterior design ideal for wash downs
  • Control air connection 90° to flow direction
  • Encapsulated diaphragm
  • CDSA sealing concept
  • Optimized flow rate


  • Eliminated water hammer
  • Depending on the diaphragm material for all neutral and aggressive, gaseous and liquid media
  • The flow can be in either direction
  • Hermetic sealing
  • The valve is unaffected by contaminated media
  • Stainless steel bolting
  • Valve body material: PVC-U / PVC-C / PP-H / PVDF / ABS
  • Various end connections: Male ends, female union ends, flange


  • Available with a wide range of control equipment and accessories, also for retrofitting