ChemDisc | DTEF

PTFE Lined Disc Check Valve

DN 15-150 mm

For a secure Handling of aggressive Media

Design Features


  • Parts which are in contact with the medium are made of PTFE or other high-quality synthetic
  • The supporting ring chambers the body and protects from lateral flange pressure
  • Guiding of valve plate by the ribs of the spring cap
  • The Hastelloy C4 spring is coated with a PTFE/PFA tube and welded on the ends
  • Fits between flanges according to DIN EN 1092-1 PN10 and ASME B 16.5 CL. 150
  • Overall lengths according to DIN EN 558, row 52
  • Tightness according to DIN EN 12266-1, Leakage Rate D (Sealing M and T) and Leakage Rate A (Sealing E, P, V)
  • Operational limits according to DIN EN 1092-1
  • Identification according to DIN EN 19
  • In compliance with PED 2014/68/EU
  • Pmax. 10 bar
  • Special versions available on request