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Class Information
Number: 137/305
Name: Fluid handling > Hydrant type > Protection against freezing > Stop and waste > Separate relatively movable valves with single actuator > Unidirectional abutting connection between main valve or actuator and waste valve
Description: Apparatus in which the drain valve is operated in only one direction by abutment of a part thereof with the control valve or a projection thereon or on the valve actuator, operation in the other direction being by weight or spring bias.

Patents under this class:

Patent Number Title Of Patent Date Issued
7438082 Frost-resistant stand valve Oct. 21, 2008
5803110 Fire hydrant assembly Sep. 8, 1998
4790342 Fire hydrant valve actuator Dec. 13, 1988
4112966 Ejector purge hydrant Sep. 12, 1978

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