1, the valve body of the handle groove butterfly valve is made of ductile iron, which is light in weight and small in size and suitable for making large caliber;
2. The handle groove butterfly valve is easy to install and can be connected with other groove pipe fittings at any angle and position;
3. The inner cavity and periphery of the valve body are coated with non-toxic epoxy resin, which effectively prevents the corrosion and erosion of various corrosive media and is durable;
4. Designed with patented technology, the valve has good sealing performance and dual sealing function;
5. The opening and closing butterfly plate is designed as a straight line, with fast opening and closing speed, light weight and low medium resistance;
6. When the microswitch is driven, it is placed in the worm gear box, which not only has the functions of moisture-proof, fire-proof and moisture-proof, but also can prolong the service life and run reliably and stably.