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1. Scope
1.1
This Standard applies to devices that automatically reduce the initial pressure to a set lower pressure in water systems and are self-acting spring-operated devices. It applies to devices that are of the direct-acting diaphragm type with a means for adjusting the pressure setting. Valves may be with or wi thout integral bypass relief valve or strainer.
1.2
This Standard provides requirements for material specifications, construction, tests for structural integrity, capacity, and reduced pressure deviations, and instructions and marking.
Product Details
- Published:
- 04/01/2000
- Number of Pages:
- 12
- File Size:
- 1 file , 940 KB
