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- Ball type bolted cover check 球形螺栓盖止回阀
- Bolted cover plate to protect seal and cylinder from the ingress of debris. 上盖板可防止杂物进入缸筒损坏密封。
- 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。
- BOLTED COVER PISTON, BALL AND SWING CHECK DIMENSIONS 螺栓盖活塞、球形和旋启式止回阀尺寸
- A new type bolt is developed,and breaking mechanism of present bolt-end is analyzed,and proofed breaking mechanism of new type bolt is given. 分析了现行锚杆尾部的破断机制,研制了一种新型金属粗尾锚杆,阐明了新型金属粗尾锚杆的防破断机理。通过分析,得出金属粗尾锚杆较其它锚杆不易发生断裂
- 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。
- 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。
- 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。
- Remove anchor bolt cover. 拆去支撑螺栓盖。
- 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。
- Remove the anchor bolt cover. 拆卸系紧螺栓盖。
- 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。
- 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。
- Proofed Breaking Mechanism of Rew Type Bolt 新型金属粗尾锚杆的防破断机理
- Equipped with bolted cover flange that utilizes a flat gasket seal 配置螺栓盖法兰,采用平面垫圈密封
- 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。
