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- Pressure Seal Swing and Tilting Disc Check Valves. 节能梭式止回阀。
- 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。
- 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。
- 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。
- 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。
- CAUTION: If the pressure seal gasket is not pulled up concentric to the body/bonnet top-bore axis, under lower pressure the gasket may not be properly seated.Consequently, leakage may occur. 警告：如果压力密封垫圈没有与阀体/阀帽顶部轴线处于同心为止，则垫圈在较低压力下可能不会适当固定，结果可能会产生泄漏。
- 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。
- Diplegs play an important role as pressure seals against the considerable back pressure generated. 料腿则起着对产生的相当大的背压加压密封作用。
- Based on the origins, the pressure seals include diagenetic seals, structural seals, capillary seals and filling seals. 成岩作用、构造作用、毛细管力作用、差异渗透作用和充填作用等是压力封闭层形成的主要机制。
- 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。
- The effectiveness of pressure seals in the subsurface may be evaluated by making a calculated fluidpressure profile of the overlying shales. 在地下，压力封闭的有效性可以通过计算上层页岩的流体压力剖面来估计。
- 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。
