弹簧负载型安全压力阀 VCP
弹簧负载安全阀 spring load safety valve
弹簧负载风箱 spring-loaded bellows
弹簧座负载 Seat Load
弹簧下方负载 unspring load
控制供应管道的水压。在总成的上游安装一个软阀座，弹簧负载止回阀。
Control supply line water pressure. install a soft seated spring loaded check valve upstream of the assembly.
系列709采用模块设计概念，弹簧负载的保持有助于全过程的维护和组装。
Series 709 features a modular design concept which facilitates complete maintenance and assembly by retaining the spring load.
平行阀座闸阀由两个可互换弹簧负载阀瓣，一个全导向阀瓣托架和扣环销钉构成。
The parallel seat gate assembly consists of two interchangeable spring loaded discs, a fully guided disc carrier, and retaining pins.
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