理论质量包括卡箍、端管、密封橡胶圈、螺栓和螺母的质量。
Theoretical weight will be consisted of the weight of the clamps, end rings, sealing rubber rings, bolts and nuts.
卡箍连接这是一种快速连接方法，它只需两个螺栓，适用于经常拆卸的低压阀门。
Clamp connection This is a quick connection method, it was only two bolts for the regular demolition of low-pressure valves.
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