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5 Tips to Select the Right Valve For Your Application

In most of the industrial process there is either flow of gas or liquid involved, which needs to be controlled. Therefore you need to choose the right kind of valve, which can be confusing at times.

In order to select various sanitary valves, you need to gather several information and their system performance requirements, so that they can be properly applied to the application. If you are familiar with this information then your job becomes very easy.

In this post, few tips are given to help you match suitable valves.

  • Decide the size and type of valve

Following are few basic functions of valve, which will help to decide the type suitable for your project:

  • Adjust flow
  • Backflow prevention
  • Mix flow
  • Divert flow
  • Providing pressure relief
  • Shut off flow

Most common valves available are:

  • Ball valves
  • Check valves
  • Metering valves
  • Needle valves
  • Pinch valves
  • Regulators
  • Relief valves
  • Stopcocks
  • Toggle valves

Check the specifications to decide which valve you need.

  • What materials will suit your process

Depending upon the liquid or chemical that you are going to transport, you have to choose the material of valve so that it should not react with the medium.

  • Performance requirements

Decide what the various requirements for pressure and temperatures are. Check from the specification of valve the operative ranges of both pressure and temperature.

Usually metal valves can withstand higher pressure and temperatures than plastic valves. For pressurized gases, metal valves can be best option.

  • What are the special requirements of check valves?

You must be acquainted with your application and make sure that the chosen valve is suitable. Make sure that response time of the check valve as well as cracking pressure needed to open your valve is fine.

Another thing to consider is whether you prefer normally closed or open feature. These will be based on the design of your flow chart that you referred.

Certain check valves may not work well, if mounted vertically. Your flow direction whether upwards or downwards and even the fluid density will influence your decision whether to mount vertically or horizontally.

  • Maintenance

Also, don’t forget about maintenance aspects because you will need to maintain your line from time to time. This is needed not only for reliable operation of the valve but also for the stability of the application.

The type of valve connection also may affect the ease or speed of repairing or replacement. All the different connection type has its own pros and cons.

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