通过对天然气阀门关闭件密封副密封原理的分析研究，分析密封副泄漏规律。
The paper researched for the seal principle of the closed component for the natural gas valve, analyzed the regulation of the seal eomponent's leaks.
前盖板上的副叶片可以减少叶轮进口的旋涡损失和颗粒对密封环的磨损。
Former deputy leaves on the cover can reduce the imports of the vortex impeller and particle loss of the wear and tear on the seal ring.
反压系数的确定是设计副叶轮密封的关键。
The key to design an auxiliary impeller seal is to determine the opposite pressure coefficient k.
转动手轮使丝杆带动丝杆螺母和闸板沿水平方向往复运动，达到闸门的启闭目的，同时密封副在闸板运动中阻拦粉尘不进入传动腔内，无外漏污染。
Rotate the handwheel driving the pole and nut reciprocate in horizontal. At the same time the seal can prevent dust from entering driving body and out-leakage pollution does not exist.
采用高科技手段加工“密封副”，使密封面的硬度高达HRC57 - 60，具有耐高温、耐腐蚀、耐磨损等特性。
The seal is processed in the high tech, which makes the hardness of seal face up to HRC57-60. It is endurable in high temperature, resistant in abrasion and antifriction.
简单介绍了对气体压缩机上的轴封改造后的副叶轮密封装置的结构及设计计算。
The structure and designing calculation of auxiliary vane wheel after the modification of the shaft seal for the gas compressor have been briefly described.
从金属密封副的密封机理出发，对密封的必要条件进行了分析，设计出了大流量的阀座组件。
Based on the sealing mechanism of the metallic sealing pair, the necessary conditions of sealing were analyzed and the large flow valve components were designed.
通过对蝶板的运动分析，从三偏心蝶阀密封副发生干涉的根本原因介绍了一种判断干涉问题的方法。
Though the movement analysis to butterfly plate, the way that judge the intervene problem is introduced from the main reason of the intervene with triple eccentric butterfly valve.
另外配送橡胶条（橡胶密封圈）一副，橡皮锤一个，扳手一副。
Accessories: A pair of rubber loop, a rubber hammer and a pair of spanner.
本发明还涉及密封管道外螺纹的制造方法、制造装置以及导入式过盈配合管螺纹副管件。
The invention also relates to a method and a device for manufacturing the external thread of the sealing pipeline and a thread pair pipe fitting of a guide-type interference fit pipe.
多节柱塞一油管副间的密封能力由特殊结构的柱塞密封元件——封隔器保证。
Special packers are used for sealing between the multi -plunger and tubing string.
对蝶阀密封副改进后结构的合理性及其在使用工况下的优越性能作了分析与介绍。
Introducing the reasonableness of butterfly valve trim after improvement and superiority under the operating conditions.
密封副采用尼龙1010对不锈钢，密封可靠。可靠的上密封装置严密保护填料，绝无外漏。
The sealed auxiliary adopts nylon 1010 stainless steel. The sealing is reliable. Reliable upper sealing equipment can strictly protect the filling and absolutely avoid the leakage.
分析结果表明，所选用的配对密封副材料在密封效果和寿命上均满足设计要求。
The results indicate that the method presented in this paper is effective and has many applicable values to life test for moon robot sealing material.
通过对蝶板的运动分析，从三偏心蝶阀密封副发生干涉的根本原因介绍了一种判断干涉问题的方法。
Though the movement analysis to butterfly plate, the way that judge the intervene problem is introduced from the main reason of the intervene with triple eccentric butterfly vale.
原理：常闭型直动式电磁阀通电时，电磁线圈产生电磁吸力把阀芯提起，使关闭件离远开阀座密封副打开；
Principle: when the power is on, the electromagnetic force of the electromagnetic force to shut off the valve seat, the valve open;
高速滚珠丝杠副开口弹性密封圈，涉及有开口、密封圈体、凹槽和弹簧组成。
The utility model relates to an elastic airproof ring with high speed ball bearing leading screw pair opening, which is composed of an opening, an airproof ring body, a groove and a spring.
高速滚珠丝杠副开口弹性密封圈，涉及有开口、密封圈体、凹槽和弹簧组成。
The utility model relates to an elastic airproof ring with high speed ball bearing leading screw pair opening, which is composed of an opening, an airproof ring body, a groove and a spring.
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