Pneumatic diaphragm regulating valve
The utility model discloses a pneumatic diaphragm regulating valve which comprises a valve body, the valve body comprises an upper cover body and a lower cover body, a cavity is arranged between the upper cover body and the lower cover body, a diaphragm is arranged in the cavity, the outer edge of t...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a pneumatic diaphragm regulating valve which comprises a valve body, the valve body comprises an upper cover body and a lower cover body, a cavity is arranged between the upper cover body and the lower cover body, a diaphragm is arranged in the cavity, the outer edge of the diaphragm is connected with the upper cover body and the lower cover body in a sealing mode through bolts, and a first air pipe and a second air pipe are arranged on the upper cover body. The middle of the first air pipe and the middle of the second air pipe are connected with a first air nozzle and a second air nozzle which are horizontally arranged respectively, a movable sealing piece is arranged in the second air pipe and comprises a fixed piece, a movable plug and a plugging piece, and the fixed piece is in threaded connection with the upper cover body. According to the utility model, the on-off of the valve can be automatically controlled by the pressure of the gas, the gas with certain pressure can be con |
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