Valve element and fluid control valve
Abstract:
The present invention is directed a valve element which is intended to improve a sealing property at a time of closing a fluid control valve and to improve stability while maintaining durability for a long time period, wherein the valve element constitutes one of a valve seat surface or a seating surface and the valve element includes a concave portion formed in an opposing surface facing the valve seat surface and a resin coating film which is formed in the concave portion and contacts the valve seat surface.
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