All nozzleflange and girth flange bolts shall be of stud bolt type.
所有设备口法兰及翼缘法兰螺栓应为双头螺栓。
2
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。
3
The secondary nozzle includes a flange and an elongated nozzle body extending from the flange.