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Non-Return Valve 800-ES

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Non-return valve, stainless steel, for the prevention of unintended gas mixtures, up to 300 bar

  • safety element: non-return valve [NV]
  • every non-return valve 100% tested
  • also ideal for use with corrosive gases
  • compact and light: 17,5 X 70 mm, 730 g
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WITT non-return valves (check valves) for reliable protection against dangerous reverse gas flow. Every non-return valve (check valve) 100% tested.

Benefits:

  • a spring-loaded non-return valve (check valve) prevents a reverse flow of gases which could lead to unwanted gas mixtures
  • no leaks – using a spring-loaded valve assembly with elastomer sealing, opening pressure approx. 2 bar
  • diverse applications – useful for many technical gases

Operation / Usage:

  • non-return valves (check valves) are used to protect equipment and pipelines against dangerous reverse gas flow
  • ideal for use with corrosive gases in the chemical industry, process technology or in laboritories
  • WITT non-return valves (check valves) may be mounted in any position /orientation
  • the maximum ambient / working temperature is 150 °C / 302 F° (max. 60 °C / 140 °F at oyxgen)

Maintenance:

  • annual testing of the non-return valve (check valve) and body leak tightness is recommended
  • non-return valves (check valves) are only to be serviced by the manufacturer

Approvals
Company certified to ISO 9001 and PED 97/23/EC Module H
CE-marked in accordance with PED 97/23/EC

Test Rig 722

For the annual testing of WITT flashback arrestors and non-return valves

Products

WITT Zentrale

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