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Non-Return Valve NV800
Non-return valve for the prevention of unintended gas mixtures, for flow rates up to 494,176 scfh (air)
WITT non-return valves (check valves) for reliable protection against dangerous reverse gas flow.
Every non-return valve (check valve) 100% tested.
Operation / Usage:
Company certified to ISO 9001 and PED 97/23/EC Module H
CE-marked in accordance with PED 97/23/EC
Cleaned for Oxygen Service according to EIGA IGC Doc 13/12/E: Oxygen Pipeline and Piping Systems
Non-Return Valve NV800 is used in following areas: