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Description of 22/30448475 DC 2022This document specifies the characteristics and describes test methods for check and non-return valves for CO2, inert gas or halocarbon gas fire extinguishing systems. Non-return and check valves allow the passage in the direction of flow and they prevent flow in the reverse direction. This document is applicable to check valves installed between container valve and manifold and non-return valves installed in pilot lines, except those valves which are tested in combination with non-electrical control devices.
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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