Gate Valve 10 : See also: "Hydrant Gate". Valve in which the shutoff device slides across the flow of liquid to obscure the orifice, usually activated by a screw mechanism. Compare "ball valve"
Wikipedia, The Free Encyclopedia, Glossary of firefighting equipment, Wikimedia Foundation, http://en.wikipedia.org/wiki/Glossary_of_firefight ing_equipment, CA, USA 2012. (Fr Srvc - Amer) {509}