In of displacement induces shear stress. Shear deformation this paper, flow law of material is theoretically analysed based on deformation of the flange deformed area in box drawing.
In short valve box should be selected at the different rings to choose. 2, attention should be paid at the time of installation in the valve box at the flange import filters have been installed,.
总之选取点阀箱应按戒指的不同来选用。2、在安装时要注意点阀箱进口法兰内的过滤芯是否已安装在内。
3
The specific requirements and basic data for the flange, pipe-segment, tee, elbow, and stuffing box were expounded with the figures and lists.