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IAPMO IGC 304-2014e1
Flexible Expansion Joints for DWV and Sewer Piping Systems
This standard covers stainless steel flexible expansion joints intended to absorb movements in drain, waste, and vent and sewer systems caused by thermal expansion and contraction and building structural movements, and specifies requirements for materials, physical characteristics, performance testing, and markings.
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International Association of Plumbing and Mechanical Officials [iapmo]
International Association of Plumbing and Mechanical Officials [iapmo]