译文：
锻钢截止阀有三种体盖连接设计形式： {dy}种是体盖螺栓连接锻钢截止阀，按这种连接形式设计的阀门，其阀体与阀盖用螺栓连接，缠绕式垫片密封，优点是便于维修。 第二种体盖焊接连接锻钢截止阀，按这种连接形式设计的阀门，其阀体与阀盖全焊密封，优点是无外泄漏。 第三种是压力自紧式阀盖锻钢截止阀，按这种连接形式设计的阀门，其阀体与阀盖用螺蚊连接，内压自密封环密封，优点是内部压力越大，其密封性能越好。您可以根据实际情况合理选用阀门。

“ Forged steel globe valve and connection forms of the advantages of ”是由提供的国际阀门新闻，译文仅供参考。另外，中国截止阀网还提供相关产品搜索：、、、、等。

原文：
Forged steel globe valve body covered in three-link design Type: The first is the body of forged steel globe valve cover bolt connection, according to the formal design of the valve of this connection, its body with the valve cover bolt connection, spiral wound gasket seal, the advantage of easy maintenance. The second body cover welded connection forged steel globe valve, according to the design of such connections forms of valves, valve cover his body with all-welded seal, the advantage of no external leak. The third is the pressure of self-tight globe valve forged steel valve cover, according to the formal design of the valve of this connection, its body with the valve cover with the screw mosquito connected pressure from the seal ring seal, the greater the advantage of internal pressure, the better the performance of its sealing. You can choose according to the actual circumstances which reasonably valve.