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- A gate or ball type valve can be used or the isolation valve can be installed further upstream. 可以采用闸阀或球阀，或者可以将隔离阀安装在更上游的地方。
- ball type valve 球形阀
- The valve plate is made of air gasket type valve plate. 阀盘结构为空气垫型膜式阀盘。
- The VMR type valve is a fast opening solenoid valve that is normally closed. 一种快开快闭的燃气安全阀，是常闭型的电磁阀, 在断开的状态下弹簧作用在阀芯上以阻止气体的通过。
- Two independent check valves with intermediate relief valve. Supplied with shutoff valves and ball type test cocks. 两个独立的止回阀配置中间安全阀。配置关闭阀和球型测试旋塞。
- The assembly shall include two resilient shutoff valves and four ball type test cocks and a hydraulically balanced bypass line. 这种总成应该包括两个弹性阀座关闭阀和四个球型测试旋塞，以及一个液压平衡旁路管线。
- Some existent researches mostly focus on pulverizer, not on the ball type pulverizer system. 已有的一些研究重点多集中在钢球磨，对制粉系统的研究不够。
- The assembly shall include two resilient seated shutoff valves &four ball type test cocks. 这种总成应该包括两个弹性阀座关闭阀和四个球型测试旋塞。
- The ball type paraffin removal unit has low reliability in moving; while the tooth type unit has the disadvantages of teeth being apt to break and causing damage of tubing inwall. 球型清蜡器的主要缺点是运动的可靠性差，一旦钢球丧失锁紧功能，将失去“步进足”的作用；而齿型清蜡器的步进齿易破损及齿尖易刺伤油管内壁。
- Adoption revolution type tool,by hand press type valve door disservice for hair,not adding any air,dissolving the air enemy opponent the hair bringing. 采用革命性塑型工具，用手压式阀门发泡，不加任何气体，消除气体对头发带来的伤害。
- The working principle, design features and advantages and disadvantages of ball type and tooth type steppiing paraffin removal units are introduced. 介绍了球1型、球2型、齿2?1型和齿4型步进式清蜡器的工作原理、结构特点及优缺点。
- In this paper, it is limited to discuss the ball type gover nor only and the block type governor may be analysed in same way. 由于篇幅所限,本文所涉及的仅为飞球式调速器;飞块式调速器的静力特性可依此类推。
- Replacing JF valve tray, the new type valve trays are applied in atmospheric towers and makes the yield of light oil increased and the economic benefit improved. 常压分馏塔通过采用新型组合导向浮阀塔板替代原有JF型浮阀塔板;使常压塔收率提高1.;5%25左右。
- The top mount sand filters with six-way bolt type valve ate most recomme-ndable equipment for the application of in ground or above ground wsimming p-ools ,water features . 顶出砂缸连螺丝型六向阀是适用于地面、地上游泳池和水景过滤设备的首选。
- Abstract: The working principle, design features and advantages and disadvantages of ball type and tooth type steppiing paraffin removal units are introduced. 文摘:介绍了球1型、球2型、齿2?1型和齿4型步进式清蜡器的工作原理、结构特点及优缺点。
- Features a modular design concept which facilitates maintenance and assembly access. All sizes are standardly equipped with gate valves and ball type test cocks. 模块化结构的特点在于简化维护,有助于总成的接近。作为标准配置,所有通径都配置闸阀和球型测试旋塞。
- Make at the same time we to double in double out ball type coal pulverizer work principle, operation process, movement characteristic had further cognition with increase. 同时使我们对双进双出球磨煤机工作原理、作过程、行特性有了进一步了认识和提高。
- Over pressurization may occur in both pressure seal and bolted bonnet type valves and is not restricted to valve size. 压力密封和螺栓型阀盖的阀门都会发生过大增压，并且过大增压不受阀门尺寸限制。
- All sizes are standardly equipped with AWWA epoxy coated, UL/FM listed OSY resilient seated gate valves, CFM (cubic feet per minute) or GPM (gallon per minute) meter and ball type test cocks. 作为标准配置，所有通径美国自来水厂协会（AWWA）认可的环氧树脂涂敷，UL/FM认证外阀杆轭架弹性阀座闸阀，CFM（立方英尺/分钟）或GPM（加仑/分钟）水表和球型测试旋塞。
