Typ_485_100_01Pneumatically 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


  • 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
  • Cavity free body
  • Without any corrosion


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