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- Improvement of pilot operated check valve of lift cylinder in shearer 采煤机调高油缸液压锁的改进
- Analysis about configuration and capability of pilot operated check valve on shearer 采煤机液压锁的结构性能分析
- Keywords automatic pipe cutting machine;pilot operated check valve;hold down bracket carboy; 自动切管机;液控单向阀;托架缸;
- pilot operated check valve 液控单向阀
- Series 774X consists of two independently operating check valves located between two resilient seated shutoffs with four ball valve type test cocks. 系列774X有两个独立运行的止回阀，位于两个弹性阀座关闭阀之间，并配置四个球阀类型的测试旋塞。
- Series 757, 757N consists of two independently operating check valves, two shutoff valves, and four test cocks. 系列757，757N由两个独立运行的止回阀、两个关闭阀和四个测试旋塞构成。
- The hose connection backflow preventer shall consist of two independently operating check valves with an intermediate atmospheric vent. 这种软管连接防回流阀应该包括两个独立运行的止回阀，这些止回阀带中间大气排气口。
- Series 774XDCDA contains two independently operating check valves located between two resilient seated shutoffs with four ball valve type test cocks and a hydraulically balanced metered bypass line to detect low flows. 系列774XDCDA包含两个独立运行的止回阀，位于两个弹性阀座关闭阀之间，并配置四个球阀型测试旋塞，以及一个液压平衡仪表旁路管线用于检测低流量。
- Check valve guiding shall be plastic to plastic. 止回阀引导装置应该是塑料对塑料。
- Remove check valve and valve seal from booster. 从倍力器上卸去逆止阀和阀门密封。
- The design proposal of the pilot operated safety valve localization production was studied based on the former modular analysis for the nuclear auxiliary system such as RRA and RCV. 根据模块化设计方法，提出了核辅助系统的先导式安全阀国产化设计方案。
- Connect vacuum hose to booster check valve. 连接真空软管到增压器检测阀。
- To test for tightness of second check Valve. 检测第二止回阀的密封性。
- The basic concept of modular design was introduced in this paper.The modular construction of pressurizer pilot operated safety valve was analyzed and divided into several independed modules. 本文阐述了模块化设计的基本概念，并对稳压器先导式安全阀进行了模块分析和模块划分。
- ANSI FLANGED SWING CHECK VALVE CLAS. 美标法兰止回阀。
- Reassemble the Check valve modules. 重新组装止回阀模块。
- The ARGOS pilot operated regulator is the newest product in a series of regulators that have been developed by the Engineering Department of GasCat. ARGOS指挥器操作调压阀为盖司凯特工业之工程部门研发一系列减压器中最新的成果。
- Perform automatic DNS operability check NOW? 演出自动dns的可操作性检查，现在呢?
- Connect vacuum hose to booster check valve . 连接真空软管到增压器检测阀。
- Pilot operated valves shall be considered for back pressures greater than 40% of set pressure if more favourable de-rating factors result in a valve smaller than a bellows type. 如果更多有利的非测定因子导致阀门小于波纹管类型的，对于背压大于设定压力的40%25的，应考虑辅助操作阀。
