| 摘要 |
A 3/2-way solenoid valve is provided to obtain the wanted discharge pressure by keeping the air-tightness of compressed air under high temperature and to operate a valve smoothly by operating a plunger with compressed air of relatively low pressure, and to discharge compressed air inside a valve body to an exhaust port by operating a button manually even if a solenoid is out of order. A 3/2-way solenoid valve comprises a valve body(1) for keeping compressed air of high pressure inside, a supply port(4) formed in the valve body to let compressed air in, one or two exhaust ports(5a) formed in the valve body to discharge compressed air, a plunger opening and closing the space between the ports, and an operation unit formed in one side of the valve body to operate the plunger and composed of a solenoid(11) operated by electrical signals and a button(12) operated manually.
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