The body and bonnet are subjected to silicasol precise casting. It adopts ISOO 5211 platform design, and the two disc spring can compress the packing automatically. mounting pad ball valve is designed with the blow-out proof stem and anti-static structure. It is suitable for water, gas, oil, natural gas and other acid and alkaline corrosive media. Suitable temperature is less than or equal to 200℃. The driving modes include: manual operation, worm gear transmission, pneumatic operation and electric operation.