允许套管法兰回到它的初始位置。
分析了变压器套管法兰附近发生电晕放电的原因并提出处理方法。
Reasons for corona discharge nearby the flange of transformer bushing are analyzed, and puts forward processing method.
为了将橡胶套管法兰挤出来，需要按照星形模式重新紧固所有法兰螺栓。
Retighten all flange bolts in a star pattern in order to extrude rubber sleeve flange material.
这种井口装置由套管法兰、套管大四通、井口阀、油管挂、油管挂体及相关附件组成。
It is composed of casing flange, casing cross joint, wellhead valves, tubing hanger, tubing head cross joint and accessories.
为了使安装容易些，可以将所有法兰螺栓穿过阀门法兰，然后穿过套管法兰，但是不要让螺栓超过法兰橡胶表面(参阅图4)。
For ease of installation, insert all flange bolts through the valve flange and then through the sleeve flange, but do not let the bolts extend beyond the surface of the flange rubber (See Figure 4).
为了使安装容易些，可以将所有法兰螺栓穿过阀门法兰，然后穿过套管法兰，但是不要让螺栓超过法兰橡胶表面(参阅图4)。
For ease of installation, insert all flange bolts through the valve flange and then through the sleeve flange, but do not let the bolts extend beyond the surface of the flange rubber (See Figure 4).
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