Modular low-pressure cutting type gas explosion valve
A modular, low-pressure technology, used in safety valves, balance valves, valve devices, etc., can solve problems such as inability to meet long-term storage requirements and high reliability, unstable rupture diaphragm rupture pressure, and difficulty in diaphragm production. Achieve the effect of light weight, simple structure and improved reliability of action
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[0015] Preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings.
[0016] Such as figure 1 As shown, the embodiment of the present invention provides a modular low-pressure cut-off gas explosion valve, including a storage tank 7 with an O-ring V13 connected together by a connecting screw 8, a filter screen 5 and a housing 1; The housing 1 is provided with a guide sleeve 4 with an O-ring III12, and the guide sleeve 4 is provided with a piston 2 with a retaining ring 9 and an O-ring II11 and a cutter with a double-channel O-ring I10 3. A diaphragm 6 with an O-ring IV14 is installed in the storage tank 7, and the cutter 3 is fixed above the diaphragm 6 through a limit ear. Uniform diaphragm; also includes an air chamber A arranged on one side of the upper end of the housing 1, a downstream pipeline C on both sides of the inner lower end, and a liquid chamber B arranged at the lower end of the storage tank 7, and the fil...
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