NV600H-ES. MWP: 40Bar, ½", ¾", 1" BSP, 1" NPT

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
• the maximum ambient / working temperature is 70 °C / 158 °F

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 9001and PED 97/23/EC Module H CE-marked in accordance with PED 97/23/EC