backflow preventer


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backflow preventer

[′bak‚flō pri′ven·tər]
(engineering)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

backflow preventer

backflow preventer for a hose connection
A device used to prevent water (or other liquids) from being siphoned into a potable water system.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
This was before installation of all the backflow preventers. FS#1 reported that high chlorine levels did not reoccur after the final backflow preventer was installed on August 2.
The introduction of their Backflow Preventer Security Cage has proved to not only be a deterrent to theft, but also a long term money saver for property owners.
If you are having trouble locating your backflow preventer or have questions about it, please call SUB's engineering assistant at 744-3397.
* In cold climates, prepare for winter by removing the shutoff Y-splitter, backflow preventer, controller, filter and pressure regulator and bringing them inside.
A backflow preventer (also called a check valve) will prevent discharged waste from re-entering the tank.
1 REMOVE the backflow preventer to gain access to the floor drain trap for cleaning.
[ClickPress, Thu Aug 01 2019] Backflow preventers have gained a significant traction as an essential source of avoiding flow reversal from a potable water system, eliminating contamination and enabling safe water supply.
Safe-T-Cover is a domestic manufacturer of industrial enclosures for above-ground installations of backflow preventers, valves, and pump systems.
Fill accessories include water meters, pressure reducing valves, backflow preventers, and safety relief valves (SRVs), and pressure relief valves (modulating relief valves, as opposed to "popping" safety valves).
The Plumbing Inspector's commercial fees are as follows: New construction/additions, $125 plus $5 per fixture; repair/replacement, $40 plus $10 per additional fixture; underground inspection, $50; backflow preventers, $125; each inspection beyond two, $40; re-inspection, $50.