Shut Off Valve definitions

Shut-off Valve

Any valve used to isolate pressure in a system.
Found on https://steelforge.com/literature/steelog-the-5000-word-metals-glossary/

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Shut Off Valve

A valve in the oil line that may be engaged manually to allow inspection and maintenance of a hydraulic elevator system.
Found on https://www.encyclo.co.uk/local/21083

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