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。
2
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。
3
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.