The switch of the worm gear operated butterfly valve also needs to be realized manually. Unlike the handle butterfly valve, the worm gear operated butterfly valve is operated by the worm wheel. The same as the handle butterfly valve, the butterfly plate and the worm head of the worm gear operated butterfly valve are directly connected by the valve stem.
The use procedure of the worm gear operated butterfly valve is to turn the hand wheel on the worm head, turn it counterclockwise, turn it clockwise, turn the hand wheel, drive the valve stem through the gear in the turbine device, and the valve stem drives the butterfly plate to rotate. , to achieve the effect of opening and closing.
