Industrial Ball Valves - 8 Questions To Make The Right Choice

Ball valves are adaptable flow control devices used in various industrial applications. They come in several sizes and designs, making them suitable for sanitary, petrochemical, and cryogenic applications.

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These valves regulate fluid flow through a hollow pivoting ball that is either a full or reduced port. The internal diameters of the adjacent pipelines are equivalent to the size of full port valves. A reduced port (standard port) valve diameter is one pipe size less than the internal diameter of the adjacent pipe. For example, a 1" reduced port valve will employ a ball with a ¾" port diameter.

Questions To Make The Right Choice

Industrial engineers must ask a few questions before choosing ball valves.

1.  What type of media will flow through the ball valve?

Which actuation methods will you use?

3.  What are the temperature and pressure ratings of the pipeline?

4.  What are the estimated annual cycles? 

5.  How do you intend to use the ball valve?

6.  Which materials are used to manufacture the valve?

7.  What certifications should the valve have?

8.  What are the maintenance requirements for ball valves?

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Summary

Choosing ball valves for various industrial applications is a difficult task. It necessitates thoroughly examining the pipeline's technical specifications, carefully selecting manufacturing materials, and studying the many valve industry norms and standards. Engineers and pipeline designers can make informed selections by answering the questions above.

Got Another Question

While the questions above help you select the correct ball valve, if you have any other questions, contact PVL today to discuss your custom application. 

Posted 30 January 2015 - 10:06 AM

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Dear All

I am in a middle of Commissioning of a old Nitrogen Plant of medium capacity.

The Turbine of this plant is out of order and required cold for Cryogenic Distillation would be provided by injecting external Liquid Nitrogen.

The Liquid supply will happen via the same route through which Distillate (Liquid Nitrogen) produced in Storage Tank.The path has two Globe valves (one angled ,other one straight).

About 75 Nm3/hr of LIN would be required to generate refrigeration.

So on a nutshell the  direction of flow through those mentioned valves would be contrary to the original mode.

On asking the original Licenser ,they said reverse flow is possible,while valve vendor says it is not .

We are in a fix now.To change the valve direction,a major modification is required inside cold box,to top of that there is a space constraint.

Asking esteemed forum members to throw some light on the above matter.Is Reverse Flow via globe valve possible?

Regards

Bodhisatya 

If you want to learn more, please visit our website Industrial Cryogenic Valve Manufacturers.