Manual ball valve, three ball valve and gate valve are the same type of valve, the difference in its closure is a sphere, the ball around the body center line to achieve the rotation to open and close a valve. Ball valve in the pipeline is mainly used for cutting, distribution and change the direction of the flow of media. Three piece ball valve is widely used in recent years, a new type of valve, the valve in the pipeline should generally be installed horizontally.

Manual ball valve is a valve in the 50s of this century, in the past half a century, the ball valve has developed into a major category. The ball valve is mainly used for cut off or connected to the media, can also be used to regulate and control fluid, V type ball valve can be more precise flow adjustment and control, and three ball valve is used in the distribution media and change the flow of media. Manual ball valve is mainly based on the way the ball is driven by the handwheel or handle rotation named.

Classification and installation maintenance

The manual valve position according to their channels can be divided into straight through three and right angle type. After the two ball valve for the distribution of media and change the flow of media. Three ball valve installation and maintenance should pay attention to the following matters:

1. To leave the valve handle rotation position.

2. Cannot be used as throttling.

3. Ball valve with transmission mechanism should be installed vertically.