Return to Diaphragm Valves – Plastic

Diaphragm Valves – Plastic – Type 186

186_PVDF_UNION_100_01Pneumatically Operated Valve DN 10 – 15 mm (3/8″ – 1/2″)

Efficient plastic piston actuator


  • Control air connection 90° to flow direction for side by side or other installations saving space
  • 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
  • Optical indicator


  • 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
  • Cavity free body
  • Without any corrosion


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