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balance pipe[′bal·əns ‚pīpe]
A pipe in a compressed-air piping system that is used to displace trapped air so that the condensate can flow freely into the trap.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A pipe connection used to equalize the pressure at two points in a piping system.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.