Oxygen non-return valve NV600H

for gasbrass

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 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 (check valves) are used to protect equipment and pipelines against dangerous reverse gas flow Maintenance: annual testing of the non-return valve (check valve), body leak tightness and flow capacity is recommended WITT is happy to supply special test equipment 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