The operating principle, structure and advantages of dual controlled gas constant pressure valve are analyzed.

分析了双控燃气稳压阀的工作原理、结构和优点。

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It can also be used as a second stage separator and hold a constant backpressure by using its automatic pressure control valve on the gas outlet.

也可用于二级分离器，采用出气口的自动调压阀保持稳定的背压。

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