In general, WILLIAMSONs trunnion ball valve features the front ball sealing design structure.
威廉姆森固定球阀一般采用球前阀座密封结构。
Ball and valve seat rings are metal materials, sealing pressure than the large, rely on the media itself can not seal the pressure has reached the requirements to be imposed by external forces.
球体和阀座密封圈都采用金属材料制造，密封比压很大，依靠介质本身的压力已达不到密封的要求，必须施加外力。
And the ball must contain an adequate vent to the pressure port opposite of the downstream sealing port.
球体必须包含一个能够排出到下游密封端口的反面的压力端口处。
The sealing sections of non-return valve ball seat were separated, material was changed into zirconium oxide ceramic, 0.
通过分离单向阀球座密封段，材料改为氧化锆陶瓷，密封段流道直径增加0。
Using high accuracy to grind the stainless steel ball, it is able to bear pressing the intensity and sealing property improving, anticorrosive.
使用高精度研磨不锈钢浮球，提高了耐压强度和密封性能，抗腐蚀。
The ball valve before the valve can be closed after the valve seat, the so-called two-way sealing characteristics, the use of built-in discharge valve, the valve body cavity may be out emissions.
该球阀阀前、阀后阀座都能密封，即所谓双向密封特性，利用自带的排放阀，阀体中腔可向外排放。
A kind of slope slots and embeded plates hoisting expanding type valve sealing mechanism which is suitable for ball valves, butterfly valves and plug valves is introduced.
介绍了一种适用于球阀、蝶阀和旋塞阀的斜槽插板升降撑拢式阀门密封结构。
Introduces a kind of sealing device for ball valves, by means of orbital groove, applied the principle of bellows sealing to the production of ball valves.
介绍了一种球阀密封装置，通过轨道槽的作用使波纹管密封的原理在球阀的生产中得以运用。
Introducing the sealing principle of fixed ball valve and the calculation of seat sealing force, analyzing the effect of machining error upon sealing property and putting forward improving opinions.
介绍了固定球球阀的密封原理和阀座密封力的计算，分析了加工误差对密封性能的影响，提出了改进意见。
Equipped with softly and mechanically sealing ball valves.
装有柔性和刚性密封的球阀。
Further, the principles and ways which solve the crucial question are given, that is, two supports consisted of three-ball bearing are combined with the sealing by differential gas flow cycle.
进而阐述了解决这些关键问题的原理和方法，即两个三滚珠轴承支承和差动气流循环密封相结合的方法。
Note the ball-cage around the middle eccentric B, and the sealing pieces L pressed outwards by springs .
注意球笼中左右偏心B ，以及密封件升的压力向外由泉水。
The design of seal used in non-contact sealed ball bearing type 180203K is introduced, and the sealing mechanism of non-contact sealed bearings is expounded preliminarily.
介绍180203K非接触型密封轴承的密封结构，初步阐述非接触型密封轴承的密封机理。
5 maintenance is convenient, pneumatic ball valve structure is simple, the sealing ring is generally active, demolition and replacement are more convenient.
维修方便，气动球阀结构简单，密封圈一般都是活动的，拆卸更换都比较方便。
Note: The main spare parts and sealing-ring materials of ball valve series can be designed for Options as per real working conditions and users special reauirements.
主要零部件及密封圈的材质亦可根据实际工况条件或用户特殊要求设计选用。
The structure design of elastic sealing ring has been adopted for Floating ball valves.
浮动球阀采用弹性密封圈结构设计。
Sealing surfaces are spray carbide, with corrosion, abrasion, erosion, etc. , long life, can pass the ball clean wool pipeline and other characteristics;
密封面均喷焊硬质合金，具有防腐、耐磨、耐冲蚀等优点，使用寿命长、可通毛球清扫管线等特点；
Make the dough into small ones about 0.3-0.4 oz (10 g) each. Knead it like a ball with hands first and then make a hole in the middle of the ball. Put the sesame ball into it and then sealing it up.
将面团分成10克左右的小团，用手搓成球形，再在中间刺出一个蜗形，再把之前做好的芝麻馅填充进去。
Make the dough into small ones about 0.3-0.4 oz (10 g) each. Knead it like a ball with hands first and then make a hole in the middle of the ball. Put the sesame ball into it and then sealing it up.
将面团分成10克左右的小团，用手搓成球形，再在中间刺出一个蜗形，再把之前做好的芝麻馅填充进去。
应用推荐