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.
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。
When installation, note flow direction of media of valve body. When connecting two flanges, add sealing mat. Then lock the bolt evenly.
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。
Pay attention to the direction of medium in valve body. Add seal cushion between two flanges connection and screw down bolt.
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