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。
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，安装时两法兰连接中间必须加密封垫片，然后锁紧螺栓。
It can be installed in horizontal or vertical. Sealing gasket must be put on the connected, then equably tight the bolt.
这种止回阀应用于玻璃管线系统中，安装在两个装有垫片的连接法兰中间。
This check valve is used in systems that utilize glass pipe and installs between connecting flanges where a gasket would normally be located.
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