小鱼曾乖乖
Where is the size of the backing plate in this form of welding not specified?
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big yang
How to understand the height correction value of the high neck flange of the equipment? If..
hao先生
Consultation: There is a conventional shell and tube heat exchanger, shell side oil, pipe ..
在你身边
Who knows if the double tube plate heat exchanger first expands the outer tube plate or th..
糖心鸡蛋
When the safety valve is calculated,
How is the throat diameter of the full open safety..
海阔天空
Let me ask you a question. How much less is the bending radius?
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big yang
Must the backing plate contact the device body conform to the requirements of GB150?
Fo..
一路向东
Is there a problem with the properties of this medium? Is it necessary to write down the t..
啊呀呀
Ask you a question this is the height of the flange and cylinder butt flange thickness is ..