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- Pressure Seal Swing and Tilting Disc Check Valves. 节能梭式止回阀。
- Best choice for low pressure sealing, lowest torque of all TFE polymers. 低压密封的最好选择,所有TFE聚合物的扭矩最低。
- Inner row of studs establishes the initial seal of the pressure seal joint. 双头螺栓的内部排列组成压力密封连接的初始密封。
- Inner row of studs establish the initial seal of the pressure seal joint. 柱头螺栓的内部排列构成压力密封连接的初始密封。
- The pressure seal area can also be refinished with a simple honing tool. 压力密封区域也可以采用简单的镗磨工具进行表面整修。
- The sealing mechanism through spindle is the same construction as the pressure seal bonnet. 通过主轴的密封原理与压力密封阀帽的结构相同。
- Introduce the principle of applying negative pressure sealing &injecting pump unit, as well as the structure to prevent filter from seeping. 介绍一种采用负压密封的原理和射流泵装置,防止过滤器渗漏的结构。
- In this paper, It talks about the application of having pressure seal technology in the LPC tank plain leakage. 本文所谈及正是此项技术在液化石油气储罐法兰泄漏时的实际应用。
- Our pressure seal fabricated yoke design allows for ease of adaptation for gear operators and actuation while reducing weight and increasing serviceability. 我们压力密封组装轭架结构使得配置齿轮操作机构和动力执行机构更加容易,是重量更轻,维修更容易。
- Uncompacted mudstone has the capability of pressure sealing, which can not seal only oil and gas in free phase, but also oil and gas in waterdissolving phase. 欠压实泥岩具有压力封闭油气的能力,既可以封闭呈游离相运移的油气,又可以封闭呈水溶相运移的油气。
- PVC sealed zipper designed,extremely good transparency,set the small sidekick designed especially,convenient for reading and classfication,it is the ideal articles of the secarity and files. PVC密封拉链设计,透明度极佳,特设小插袋,便于阅览、分类,是存放证券、文件的理想用品。
- Although pressure sealing process occurredlater than the period of major hydrocarbon generation,it favors the preservation of accumu-lated hydrocarbon in this area. 虽然其压力封闭能力形成时期晚于烃源岩火量生烃期,但对该区已聚集油气的保存是十分有利的。
- Caprock is the prerequisite for the accumulation of natural gas.Sealing of gas concentration is one of the important sealing mechanisms besides physical and pressure sealing. 盖层是天然气聚集的必要条件,盖层封闭作用除物性封闭、压力封闭之外,还有一种重要的封闭机理,即浓度封闭。
- Coalbed methane reservoir is a pressure seal reservoir and its production characteristic is different from that of conventional natural gas. 煤层气是一种压力封闭型气藏,其生产特征不同于常规天然气。
- Live-loading automatically compensates for the transient loads which cause bonnet movement by maintaining a positive load on the pressure seal gasket as the pressure reduces. 动负载自动补偿波动转换中的变化,在压力减少时,阀帽会产生运动,维持压力密封垫圈上的正向负载。
- MATERIAL AND SERVICE ? Pressure Seal valves are available in a variety of body/bonnet materials and trims. Specified materials should be compatible with the service. 材料和应用?压力密封阀门具有宽广范围的阀体/阀帽材料和阀内件供用户选择。特殊的材料应该与应用场合相兼容。
- Pressure Seal ? uncomplicated design has segmented retaining ring and mild steel silver plated gasket to aid disassembly and provide maximum bonnet seal. 压力密封?结构简单,分段扣环,镀银低碳钢垫圈,有助于拆卸和最大限度的阀帽密封。
- The determination of trace silicon in high-purity barium titanate by GFAAS method is studied,in which the sample is dissolved in hydrofluoric acid with high pressure seal. 用石墨炉原子吸收光谱法研究钛酸钡中痕量硅的测定,在高纯钛酸钡新领域的研究及生产中都有重要的现实意义。
- 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。
- This paper introduces the developing progress of metallic pressure sealing ring,including selecting material,drawing special forging process,intenerating process and drawing machining process. 介绍了具有优良使用性能,可替代进口产品的金属自密封环的研制,包括选材、制定特殊锻造工艺、制定机械加工工艺规程和软化处理等。