Hello readers, I am here to bring you an interesting and very common device known as a Ball Valve. A positive Shut off valve operating mechanism of the ball valve is very simple by just rotating the lever by 90 degrees. Which is connected with the ball type disc through the stem. This valve can be fully closed or open, that is why it is called a quarter turn rotary motion ball valve.
Ball Valve Mechanism
The ball valve is like a plug valve in operation. The small sized ball valve can be operated by a hand lever. However, the large size valve required a gear mechanism to operate the valve easily. Some degree of throttling is possible with a ball valve but it is not recommended as it may damage the seat and ball. When fully open the pressure drop across the valve is negligible.
In the ball valve, the body is smaller than the gate valve and globe valve. There is a ball shaped disc, that is why it is called Ball Valve. There are two seats one in the upstream and the other in the downstream. Unlike the gate valve and Globe valve, the seat will always remain in contact with the ball type seat. The cavity inside the ball type valve lets the fluid pass from the valve. You can see different types of valves based on the body design in the market.
Ball Valve Designs
The ball valve comes in so many different types of body, different types of balls, different types of ports, and seat designs.
In the top entry ball valve, the ball is inserted from the top of the valve body. This design makes it possible to repair a valve without removing it from the line.
The split body ball valve comes with two or three parts arrangement. In the field, you will come across a ball valve that is a two piece construction more than any other type of ball valve. This kind of valve is called a two piece designed ball valve. In this design, the ball is inserted in a big part and a second small part connected by studs.
In the three piece design ball valve, the ball is mounted in the middle part. This type of valve is also known as a side entry ball valve or an entry ball valve.
As we define the ball valves according to the ball type, we can find a V-shaped designed ball Ball valve. This kind of valve is used for throttling operations to reduce the cavity of seats.
In The End
There are over a hundred designs of ball valves are available in the market. The ball valve manufacturer also offers to make and customize the valve as per your drawings and requirements. It is not difficult to choose a ball valve that will work with your application, but selecting a ball valve manufacturer may prove difficult. So choose wisely the manufacturer that helps you with your every concern related to a ball valve.
Automotive pneumatic valve is a high speed, heavy-duty valves designed for general service on all types of automation to control the fluid flow automatically.
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