双压阀(Dual pressure valve) :为一个安全回路。 只有当两个按钮阀1S1和1S2都压下时, 单作用气缸活塞杆才伸出。
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dual functional pressure relieve valve 双功能泄压阀
dual closed in pressure valve 双重关井阀
DUAL CHECK VALVE BACKFLOW PREVENTER For low hazard cross-connections. Continuous pressure applications.
双止回防回流阀用于低危险交叉连接。持续压力应用场合。
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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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