Stainless steel three piece clamp ball valve belongs to manual ball valve. Ball valve is a valve that uses a ball with a circular channel as the opening and closing part, and the ball rotates with the valve stem to realize the opening and closing action. The opening and closing part of the ball valve is a ball with holes, which rotates around the axis perpendicular to the channel, so as to achieve the purpose of opening and closing the channel. This valve is applicable to urban construction, chemical industry, metallurgy, petroleum, pharmacy, food, beverage and environmental protection. The connection operation of the clamp ball valve is very simple, without special professional skills, and ordinary workers can operate after simple training. 2. The clamp ball valve is easy to operate and requires less operating space, which brings many convenient conditions for future maintenance. 3. During maintenance and replacement, just loosen two clamps to find, rotate and modify a section of pipe at will. There is no need to damage the surrounding walls, reducing the maintenance time and maintenance costs.