backwater valve
Also found in: Acronyms.
backwater valve
[′bak‚wȯd·ər ‚valv] (engineering)
A type of check valve in a drainage pipe; reversal of flow causes the valve to close, thereby cutting off flow. Also known as backflow valve.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
backwater valve, backflow valve
A type of
check valve in a drainage pipe; reversal of flow causes the valve to close, thereby cutting off flow.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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