Non-Return Valve 600H-ES

Non-return valve stainless steel for the prevention of unintended gas mixtures, for flow rates up to 1900 m³/h (air), up to 40 bar, G 1/2 - G 1

  • safety element: non-return valve [NV]
  • every non-return valve 100% tested
  • DIN EN ISO 5175-2
  • also ideal for use with corrosive gases
  • low opening pressure approx. 250 mbar
  • 52 X 65 mm, 589-745 g

Data sheet Downloads
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Information

WITT non-return valves for reliable protection against dangerous reverse gas flow. Every non-return valve 100% tested.

Benefits:

  • a spring-loaded non-return valve prevents a reverse flow of gases which could lead to unwanted gas mixtures
  • low opening pressure approx. 250 mbar
  • no leaks – using a spring-loaded valve assembly with elastomer sealing
  • diverse applications – useful for many technical gases
  • reduce installation costs – the spring-loaded valve is not affected by gravity and may be installed in any orientation

Operation / Usage:

  • non-return valves are used to protect equipment and pipelines against dangerous reverse gas flow
  • the maximum ambient / working temperature is 70 °C / 158 °F

Maintenance:

  • annual testing of the non-return valve, body leak tightness and flow capacity is recommended
  • WITT is happy to supply special test equipment
  • non-return valves are only to be serviced by the manufacturer

Approvals
Company certified to ISO 9001and PED 2014/68/EC Module H
CE-marked in accordance with PED 2014/68/EC
Cleaned for Oxygen Service according to EIGA IGC Doc 13/12/E: Oxygen Pipeline and Piping Systems

Downloads

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Accessories

Test Rig 722

Test Rig 722

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