KDV manufactures a wide variety of premium quality reinforced diaphragms to suit a range of industrial valves. Our strict quality control standards and the use of only the best materials and construction methods ensures complete security of line media in the harshest of environments.

KDV diaphragms can be relied on to provide peace of mind and superior return on investment no matter what the application. Our specialist reinforcement and bonding techniques ensure that our diaphragms provide outstanding durability and security.

DN15-DN80


DN100-DN350


Diaphragm Materials

  • 10 – Natural rubber (NR)
  • 20 – EPDM rubber
  • 30 – Butyl rubber (IIR)
  • 40 – Nitrile rubber (NBR)
  • 50 – Neoprene rubber (CR)
  • 60 – Hypalon rubber (CSM)
  • 70 – Viton rubber (FKM/FPM)