screw down valve 旋压阀 ; 螺旋阀 ; 螺杆阀
Ship-side screw-down valve 舷旁截止阀
screw-down stop valve 螺杆向下止动阀 ; 螺旋阀
screw-down non-return valve 截止止回阀
The valve can be installed in horizontal or vertical. Add seal cushion between two flanges connection and screw down bolt.
本阀可水平安装或垂直安装，安装时两法兰联接中间必须加密封垫片，然后均匀锁紧螺栓。
Pay attention to the direction of medium in valve body. Add seal cushion between two flanges connection and screw down bolt.
安装时请注意阀体上标注介质流向，两法兰连接时必需加密封垫片，然后均匀锁紧螺栓。
Straight-through, right angle cast steel screw down vertical storm valve.
直通、直角铸钢可闭立式防浪阀；
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