special products

S8100 | Piston type check valve

The VDR 8100 are piston-type-check valves. They are suitable for aerospace industry. The guide spring and plug is PTFE black coated, leakage rate is class VI and it is guaranteed by a PTFE insert. VDR valves are manufactured with special treatment surfaces, assembly and test in according to ASME B16.34 and comply with the provisions of Directives 97/23/EC (PED).


MAX PRESSURE 251 Barg
TEMPERATURE -253/+100 °C

  • Guided plug
  • Suitable for aerospace industry
  • Plug material ss304 with PTFE coated
  • PT plug
  • Spring AISI 316
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