These are significantly better than those achievable with the alternative butt-weld technique.
这些性能显著地优于对缝焊接方法所能达到的性能。
2
The weld can be divided into four types: buttweld, fillet weld, plug weld and end weld.
焊缝可分为对接焊缝、角焊缝、塞焊缝和端接焊缝四种。
3
Unless otherwise specified, all Pacific valves will be supplied with buttweld ends conforming to ANSI B16.25 either Fig. 2(b) or 3(b) depending on the nominal pipe wall thickness of the valve wall.