Blend steel welding of flanges is allowed. Long neck flange should conform to related stipulations of GB 150.
法兰允许用钢板拼接焊制，对长颈法兰应符合GB 150的有关规定。
Blend welding seam of the flange must pass through 100% radial or supersonic echeck.
法兰的拼接焊缝须经百分之百射线或超声检测。
Blend welding seam of the flange must pass through 100% radial or supersonic echeck.
法兰的拼接焊缝须经百分之百射线或超声检测。
应用推荐