When joining the fixed end of a single union valve, place the ball in the open position to allow for proper drying and to avoid primer or solvent cement contacting internal components of the valve.
在连接单个管套接阀门的固定端口时，将球体放置在开启位置，使得阀内部件能够得到干燥并避免底漆或液状粘固剂接触到阀内件。
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。
The installation 1, Qudiao flange end of the Flange-connection fixed ball valve protective cover on both sides, in the valve fully open state to wash clean.
安装1、取掉法兰端两边的保护盖，在阀完全打开的状态下进行冲洗清洁。
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