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The correct installation direction of the ball valve

May 19,2022 Posted by Bundor

Industry News
What is the direction of the ball valve in and out? After the ball valve is installed on the pipeline, which side is the inlet and which side is the outlet? Does the ball valve have a flow direction? Do you need to consider the orientation when installing? Recently, the editor of BAND Valve has summarized some questions about the correct installation direction of ball valves, and gives the following summary:
  1. Looking at the sealing method, the single-sealed ball valve has a direction, and the double-sealed ball valve has no direction.
  2. O-type ball valve has no direction; V-type ball valve has direction.
  3. The high temperature ball valve has direction.
  4. The double seal of the floating ball valve has no direction, and the fixed type has a single seal with direction.
Then there are the following questions:
How to distinguish whether the ball valve is a one-way seal or a two-way seal?
 Answer: It is difficult to distinguish from the appearance, it depends on the internal structure of the ball valve.
How to distinguish whether the ball valve is floating or fixed?
Answer: It can be distinguished from the appearance observation. The floating ball valve body is divided into two parts, and there is a flange connection in the middle; the fixed ball valve body is one body, with a ball inside the valve body and a fixed shaft at the bottom.
Note: When we actually install and use, we must give priority to our own working conditions. According to the reasonable selection of ball valves according to the working conditions, we need to consider the installation direction, the in and out direction of the ball valve, then use the ball valve marked with an arrow; if you do not need to consider the in and out direction of the ball valve , just use the ordinary two-way ball valve.

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