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ASSE/IAPMO/ANSI/CAN 1103-24e1
Performance Requirements for Pilot Operated Water Pressure Reducing Valves for Potable Water
The purpose of a pilot operated water pressure reducing valve for potable water systems (herein referred to as the “device”) is to reduce static and flowing pressures in water systems.
International Association of Plumbing and Mechanical Officials [iapmo]