ASSE 1003
Performance Requirements for Water Pressure Reducing Valves for Domestic Water Distribution Systems
Organization: | ASSE |
Publication Date: | 28 September 2009 |
Status: | inactive |
Page Count: | 24 |
scope:
Description
Devices covered by this standard are self-contained, direct acting, single diaphragm types. Devices shall be permitted to have an integral strainer, separate strainer connected to the valve inlet, or be without strainer. Devices shall be permitted to be with or without an integral by-pass relief valve.
Size Range
Connection pipe sizes shall be ½ NPS, ¾ NPS, 1 NPS, 1¼ NPS, 1½ NPS, 2 NPS, 2½ NPS and 3 NPS (12.7 mm, 19.1 mm, 25.4 mm, 31.8 mm, 38.1 mm, 50.8 mm, 63.5 mm and 76.2 mm).
Minimum Working Pressure
Devices shall be designed for a minimum working pressure of 250.0 psi (1723.8 kPa).
Temperature Range
The devices shall be designed for temperatures of 33.0 °F (0.6 °C) to 140.0 °F (60.0 °C) minimum.
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