Application field：Municipal construction, water conservancy engineering, water supply and drainage, water treatment, etc.
1. The spheroidizing rate of valve body is grade 3, the tensile strength is 450MPa, and the elongation is greater than 10%
2. The valve body is solid and heavy, and the wall thickness reaches the standard
3. The ball is covered with EPDM, the rubber content meets the standard, and the material is guaranteed
4. Using stainless steel bolts, It has high strength and strong corrosion resistance
5. Each valve needs to be tested for casing and sealed double-layer pressure according to the standards before leaving the factory.