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IAPMO IGC 170-2002r1 (R2013)
- Relief Valve for Use on Backflow Preventers
- standard by International Association of Plumbing and Mechanical Officials, 01/01/2002
- Publisher: IAPMO
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This standard shall be used as general requirements on relief valves for use on backflow preventers. This standard is necessary as ASME articles do not address relief valves for use on backflow preventers.