CPC F16K 31/508 (2013.01) [F16K 3/26 (2013.01); F16K 27/041 (2013.01)] | 11 Claims |
1. An operation valve comprises:
a valve formed into a rod shape and including a barrel portion in which a flow path for a fluid is provided, a head portion in which an inlet of the flow path is provided, and a leg portion in which an outlet of the flow path is provided;
a housing body housing the barrel portion;
an operation dial coupled to the housing body and driving the valve in an extension direction of the valve; and
a second sealing ring sealing the housing body from the fluid, moving with the inlet in accordance with rotation of the operation dial and provided on a head side surface of the head portion, wherein
the leg portion is inserted into an inside of the operation dial.
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