Then, use the aquarium silicone to seal under the flange around all 4 screw holes and around the pipe hole and screw it down with 4 short wood screws.

接着，用水族箱硅胶把法兰盘底、四个螺丝孔以及管孔周围全都涂抹上，然后钻入四枚木螺钉固定好。

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The sensor shall be mounted on object surface, by fixation of screw thread or flange, and ensure firm contact with the equipment surface.

传感器采用贴面形式安装在物体表面，固定形式为螺纹或法兰，并确保与设备表面接触严密。

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If the operator mounting holes do not line up with the valve flange holes, the stop screw (s) should be backed off and handwheel turned until holes are aligned.

如果操作装置的安装孔与阀门法兰孔没有对应上，就要把锁定螺栓退回，旋转手轮式的螺栓孔对准为止。

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