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- valve sealing trip 气门密封带
- Remove check valve and valve seal from booster. 从倍力器上卸去逆止阀和阀门密封。
- HF acid detecting paint to ensure valve sealing integrity. 氢氟酸检测漆，用于保证密封的整体性。
- Manifolds can be added to a control valve sealing device. 可以给阀组加一个阀的密封控制装置。
- Presents the development and use of new stainless steel heap welding technique for main steam valve sealing surface. 介绍了主蒸汽阀门密封面不锈钢堆焊新工艺的开发与利用。
- If the spacing between mating flanges is tight, the valve sealing surface should be coated with a lubricant to prevent distortion during installation. 如果配置的法兰之间的间隙过紧，则阀门密封面应该用润滑剂涂敷以防止在安装过程中产生扭曲变形。
- In the second part, the preliminary experience of plasma powder overlaying work with valve sealing surface is introduced. 第二部份介绍阀门密封面等离子粉末堆焊工作的初步经验。
- Before installation should completed clean inner of the pipeline, particles or sundries are not allowed to be contained in the medium to avoid the damage of valve sealing surface. 阀门安装前请将管路彻底清洗干净，介质中不能含有颗粒或杂物。以免损伤阀门密封面。
- To introduce one kind of ball valve sealing structures which is formed through bringing pressure on the seat ring while the ball or disc is rolling towards the seat ring parallelly. 介绍了一种球体或球瓣向阀座平行滚动而压紧阀座形成密封的球阀密封结构。
- For2Cr13 valve sealing face by double glow plasma W alloying process,carburizing , quenching and tempering process, the results show its machining size is little, its hardness is high and its static pressure lifetime is long. 结果表明经双层辉光离子渗钨、渗碳和淬火回火处理的2Cr13阀门密封面加工量小、硬度高、静压寿命长。
- Many ways to prevent leakage in the installation process, the choice of packing, sealing method of choice, good choice of valve sealing performance, are factors that must be taken into account. 防止泄漏的方法很多，在安装过程中，填料的选择、密封方法的选择、选用密封性能好的调节阀等，都是必须考虑的因素。
- The regulations and methods for valve base seal test, valve seal test, valve strength test, long term valve test, fatigue test and operating torque test were summed up in this article. 汇总了塑料阀门产品要求的阀座密封试验、阀体密封试验、阀体强度试验、阀门长期试验、疲劳强度试验和操作扭矩的规定和方法。
- Cook the meat quickly at first to seal in the juices. 一开始要大火烧肉，以便保存肉汁。
- The putty gives a good seal round the window. 窗户四周泥的油灰密封效果很好。
- Our foil packets seal the flavour in. 我们用锡纸包装以保持原味。
- This document carries the royal seal. 这份文件上盖有王室印章。
- The seal on the bottle has perished. 瓶子的封记已经腐烂。
- Have you turned off the water valve? 你关掉水阀了吗？
- And a gasket, matching the elastomeric valve seals, is installed in the bottom flange joint, regardless of attached valve type, in order to seal external fluid from the housing interior. 为了密封外壳，使得流体不会从外壳内泄露出来，需要一个与阀门弹性密封相配的垫圈，安装在底部法兰连接件里，而无论所连接的阀门是什么类型。
- He impressed his seal on the wax. 他在火漆上盖了他的私章。
