The connection strength increases with the increasing of bearizing rate of coupler and thicknessofpipewall, but decreases with the increasing of connection length.
管接头的连接强度随着扩孔率、管壁厚度的增加而升高,但随着连接长度的增大而降低;
2
Unless otherwise specified, all Pacific valves will be supplied with butt weld ends conforming to ANSI B16.25 either Fig. 2(b) or 3(b) depending on the nominal pipewallthicknessof the valve wall.