ASSE 1001
Performance Requirements for Atmospheric Type Vacuum Breakers
Organization: | ASSE |
Publication Date: | 1 January 2002 |
Status: | inactive |
Page Count: | 21 |
scope:
Purpose - To prevent backflow or back-siphonage into a potable water distribution system when installed with the Critical Level point (as described later herein) at least 6 inches above the flood level rim of the receptacle served or greatest elevation of use, and when installed on the discharge side of the last control valve, and the backflow source is subject to no more than normal atmospheric pressure. This device shall not be subjected to more than twelve (12) hours of continuous water pressure.
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