NEN-EN 12094-13
Fixed firefighting systems - Components for gas extinguishing systems - Part 13: Requirements and test methods for check valves and non-return valves
| Organization: | NEN |
| Publication Date: | 1 March 1999 |
| Status: | inactive |
| Page Count: | 20 |
| ICS Code (Fire protection): | 13.220.20 |
scope:
Specifies the requirements and describes test methods for check and non-return valves. 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. Non-return and check valves shall allow the passage in the direction of flow and they shall prevent flow in the reverse direction.
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