Box thread valve 螺纹阀门
external superheater thread valve 外螺纹阀
CQ Thread ball valve CQ螺纹球阀
valve thread 气门螺纹
Internal thread cut-off valve 内螺纹截止阀
High pressure thread electromagnetic valve 高压螺纹电磁阀 ; 品牌高压螺纹电磁阀
thread ball valve 丝扣球阀
male thread throttle valve 外螺纹节流阀
According to connection method classification (1) threaded connection valves: valve with internal thread or external thread, and pipe thread connection.
按连接方法分类(1)螺纹连接阀门：阀体带有内螺纹或外螺纹，与管道螺纹连接。
If the valve body material can be welded, but very different thermal expansion coefficient, or changes in operating temperature range of a larger thread junction closure weld must be honey.
如果阀体的材料是可以焊接的，但膨胀系数差异很大，或者工作温度的变化幅度范围较大，螺纹连接部必须进行蜜封焊。
Radial distortion of the flexible component in the stop valve can be adjusted so as to ensure the joint depth between flexible screw thread trepanning circular groove and screw thread on the screw.
截止阀的柔性元件的径向变形值可以调节，保证柔性螺纹套的环槽与螺杆上的螺纹的接合深度。
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