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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), DN 80
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 2014/68/EU Module H
CE-marked in accordance with PED 2014/68/EU
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
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Non-Return Valve NV800 is used in following areas:
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