Non-Return Valve 800-ES

Non Return Valve 800-ES

Data sheet Quotation request

Non-return valve, stainless steel, for the prevention of unintended gas mixtures, up to 300 bar, 1/4" NPT

  • 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

Information

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 2014/68/EC Module H
CE-marked in accordance with PED 2014/68/EC
Designed for Oxygen Service in accordance with EIGA 13/20 and CGA G-4.4: Oxygen Pipeline and Piping Systems
Cleaned for Oxygen Service in accordance with EIGA 33/18 and CGA G-4.1: Cleaning of Equipment for Oxygen Service

Downloads

Here you find all downloads for the product.

Accessories

Test Rig 722

Test Rig 722

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

Products

WITT Zentrale

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Headquarters: +49 (0)2302-8901-0
WITT UK: +44 (0)1925 234466

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