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ASPE/IAPMO/ANSI Z1034-2015
Test Method for Evaluating Roof Drain Performance
This Standard specifies a test method to determine roof drain systems performance by measuring flow rates based on the water head and the piping configurations specified in this Standard, for drains in sizes NPS-2 to NPS-6.
Content Provider
International Association of Plumbing and Mechanical Officials [iapmo]