目前有三种不同类型：带螺纹的，碰焊，承插焊接。
There are available in three different kinds: threaded, butt-weld, and socket weld.
目前有三种不同类型：带螺纹的，碰焊，承插焊接。
The end flange is available in either threaded, or socket-weld styles.
当指定用316不锈钢阀时，3c系列承插焊接阀的标准阀体盖也是316 (CF 3m)不锈钢。
The standard body caps of the Series 3c socket-weld valves are 316 (CF3M) stainless steel when a 316ss valve is specified.
通用承插焊止回阀是为要求焊接的应用场合而设计的。
The Universal Socket Weld check valve is designed for use in applications where weld joints are required.
通用承插焊止回阀是为要求焊接的应用场合而设计的。
The Universal Socket Weld check valve is designed for use in applications where weld joints are required.
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