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FM Approvals 1230
- Anti-Water Hammer Check Valves
- standard by FM Approvals, 2013
- Publisher: FM Approvals
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This standard states Approval requirements for anti-water hammer check valves for fire protection systems
This standard defines the requirements for anti-water hammer check valves with single or multiple waterways. Anti-water hammer check valves covered in this Approval standard are supplied with flanged, grooved, threaded or wafer style end connections. Other types of anti-water hammer check valves may be FM Approved if they meet the requirements and intent of this standard. Anti-water hammer check valves of unusual design may be subjected to special tests to determine their suitability.
This standard encompasses the design and performance requirements for anti-water hammer check valves for their intended installation in the discharge line of a fire pump where conditions may be expected to cause pressure surges or water hammer.
This standard defines the requirements for anti-water hammer check valves with single or multiple waterways. Anti-water hammer check valves covered in this Approval standard are supplied with flanged, grooved, threaded or wafer style end connections. Other types of anti-water hammer check valves may be FM Approved if they meet the requirements and intent of this standard. Anti-water hammer check valves of unusual design may be subjected to special tests to determine their suitability.
This standard encompasses the design and performance requirements for anti-water hammer check valves for their intended installation in the discharge line of a fire pump where conditions may be expected to cause pressure surges or water hammer.
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