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P2903.9.4 Valve Requirements
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Valves shall be compatible with the type of piping material installed in the system. Valves shall conform to one of the standards indicated in Table P2903.9.4 or shall be approved. Valves intended to supply drinking water shall meet the requirements of NSF 61.
| MATERIAL | STANDARD |
| Chlorinated polyvinyl chloride (CPVC) plastic | ASME A112.4.14, ASME A112.18.1/CSA B125.1,ASTM F1970, CSA B125.3, MSS SP-122 |
| Copper or copper alloy | ASME A112.4.14, ASME A112.18.1/CSA B125.1,ASME B16.34, CSA B125.3, MSS SP-67, MSS SP-80, MSS SP-110, MSS SP-139 |
| Gray and ductile iron | ASTM A126, AWWA C500, AWWA C504, AWWA C507,MSS SP-42, MSS SP-67, MSS SP-70, MSS SP-71, MSS SP-72, MSS SP-78 |
| Cross-linked polyethylene (PEX) plastic | ASME A112.4.14, ASME A112.18.1/CSA B125.1, CSA B125.3, NSF 359 |
| Polypropylene (PP) plastic | ASME A112.4.14, ASTM F2389 |
| Polyvinyl chloride (PVC) plastic | ASME A112.4.14, ASTM F1970, MSS SP-122 |
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TABLE P2903.9.4
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