Check Valves Diaphragmatic Type


  • Adjustable opening and closure speed. According to the regulation, the valve closes quickly to protect the pumps or the networks.
  • Suitable for pipelines over 400mm long.

Technical review

Technical review
Sizes DN50 up to DN450
Working pressure PN10, PN16. PN25
Materials Body, Actuator, Seat: Ductile Iron
GGG40-50 DIN1693/EN1563
Stem:Stainless steel AISI316
Spring: Stainless Steel DINI7223
Diaphragm:Nylon Reinforced Neopren