potable water supply造句

abstraction for potable water supply

DO NOT add any chemicals to the system piping which will contaminate the potable water supply.

Series 775 Double Check valve Assemblies provide protection of the potable water supply for non-health hazard cross-connections.

Series008 PCQT is designed for indoor point of use applications to prevent backsiphonage of contaminated water back into the potable water supply.

A Double Check Valve Assembly shall be installed at each noted location to prevent the unwanted reversal of polluted water into the potable water supply.

The valve shall be constructed with a molded diaphragm separating the air inlet from the potable water supply to prevent spillage.

An air gap provides the unobstructed, physical separation between the discharge end of a potable water supply line and an open receiving vessel.