gate valve

noun

a valve in a pipe or channel having a sliding plate that controls the flow

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for gate valve

Historical Examples of gate valve

A gate-valve is placed in the branch pipe at its junction with the pipe line.
The Water Supply of the El Paso and Southwestern Railway from Carrizozo to Santa Rosa, N. Mex.
J. L. Campbell