When male and female (M&F) or tongue and groove (T&G) type flanges are specified, the nozzleflange facing of the vessel shall be of female or groove type.
如指定使用外螺纹及内螺纹或榫面及槽面法兰，容器设备口法兰端面应为凹槽型。
2
The secondary nozzle includes a flange and an elongated nozzle body extending from the flange.
该二次喷嘴包括法兰和从该法兰延伸的长形喷嘴主体。
3
All nozzleflange and girth flange bolts shall be of stud bolt type.