When shopping for a valve selection, it can seem complex to try and select the right valve for your application. However, once you know what to look for, it's fairly straightforward. In this article, we'll take an in-depth look at valve selection. Our valve selection guide will cover everything from valve function to valve type and more.
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Valves can serve many different purposes- control of flow, regulating pressure, on/off, temperature regulation, and many more. Each function requires different valves and configurations. So, before deciding on a type of valve, consider what you want the valve to do. Let's take a look at a few examples:
There are many different standard and industrial valves, so shopping the valve selection through a desired valve function is an ideal way to find the right choice.
What is the process medium you are putting through your valve? For instance, if a valve is on -320F liquid nitrogen, it requires different seats, seals, and bonnets than a valve that is on a 70F potable water line.
This is an essential part of selecting the right valve since an incorrect material choice can quickly lead to valve failure. Some of the valve materials you may encounter include stainless steel, plastics and epoxies, brass, and cast iron. Each material has different advantages and disadvantages, so check carefully which one would work best for your intended medium.
This may sound quite elementary, but many people think that the valve that they need should be line size. Sometimes, purchasing a valve that equals line size makes a lot of sense, but other times, you can specify a smaller (less expensive) valve that will do the exact same thing as a valve that equals line size.
In addition to valve function, media, and size, you also need to consider various flow characteristics. Some questions you may wish to ask include the following:
Another thing you'll want to consider is how frequently you'll be using the valve. Industrial valves are often better suited to frequent use than standard household options. Additionally, certain types of valves work better for regular use than others.
The globe valve, for instance, lends itself well to regular and frequent use.
As you might expect, the price of a valve is based on more than just the valve function. If you buy an actuated control valve, it will be significantly more expensive than one that's manually operated. Additionally, certain materials are more inexpensive than others. For instance, a plastic valve is often cheaper than a stainless steel one but generally offers superior corrosion resistance.
So, before you decide on a valve, it's best to define what you can afford to spend. If you have a relatively tight budget, it may be better to go for the second-best option and then replace it when you have more funds available for the purpose.
Depending on how delicate a particular valve is and how many working parts it has, some valves may require more regular maintenance than others. It's an important consideration when making a valve selection. If you don't have a lot of time to dedicate to maintenance, it may be well worth choosing a valve that has lower maintenance needs.
However, you also need to consider that certain media will require more maintenance by necessity. For instance, if you're working on a pipeline that transports crude oil, it will likely require regular maintenance. The same is true of pipes transporting wastewater into treatment plants.
In these cases, you likely want to look for valves with minimal areas where impurities can gather. This will allow you to keep the valves clean without having to do daily maintenance.
Do you need an automated or pneumatic valve? What type of actuation- pneumatic or electric? Double acting, fail open, fail close? If pneumatic, how much air do you have available for actuation- 60 or 80 psi? Would you like a solenoid or limit switch? All of these questions (and more) are questions you should consider while specifying and purchasing your valves.
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We realize that many individuals do not feel comfortable knowing exactly the right questions to ask to ensure that their valve will be the exact right valve for their application. Since realizing this years ago, we have offered our services to assist customers to spec and purchase the perfect valve for their application. Contact ValveMan today for assistance with your application!
A control valve is essential for industrial units with gas or liquid flowing through pipelines. The valve can handle various functions and is an integral part of your unit. How do I source these valves? The answer to this question is easy because there are plenty of control valve suppliers in India, and most have an online presence. Therefore, you could quickly come across suppliers of the product.
The top control valve manufacturers in India offer a varied product range, but you must not pick up anything randomly. Here are five essential factors you must consider while sourcing these valves.
1: What is flowing through the pipeline?
The characteristics of the material flowing through the pipeline should dictate the choice of control valves for your unit. Is the material flowing through the pipes rather harsh or corrosive? If the control valve has to deal with this flow, you must carefully select them. The PTFE or PFA control valves can be appropriate choices because they can handle such harsh conditions. Your control valve needs could be different for the flow of pressurized gasses through the pipelines. Metal control valves would be appropriate to take gas transportation through channels.
2: What will be the primary function of the control valve?
Why does your industrial unit need the control valve? The control valve can perform a broad range of functions, which is the second factor to consider when selecting a control valve. Here are some of the reasons why you may need a control valve.
A control valve can perform these functions, and you must select according to your needs. You can take the example of ball valves. They can resist clogging and jamming but are inappropriate for adjusting the flow. You must consider these aspects before selecting a control valve. The top control valve manufacturers in India will brief you on each product&#;s features and help you choose.
3: What is the performance capacity of the valve?
This is another factor to consider, as you are sourcing the product from India&#;s best control valve suppliers. What are the pressure and temperature requirements the valve is expected to perform? This is the information you will need before the buy. Metal valves will be appropriate if your operations are conducted in higher temperatures. Such control valves are also perfect for transporting pressurized gasses through pipelines. The inherent strength of metal makes them survive in harsh conditions. Plastic control valves can be considered when the requirements are not extreme.
4: Why should you Focus on sizing?
It would help if you focused on sizing when selecting control valves for your unit. An improper-sized valve can create operational problems for your team. A little control valve will create issues right away because it will simply not allow passage for the flow of liquid or gas via the pipeline. If you opt for oversized valves, there could also be problems. If there is a minor change in the valve position, it can lead to a significant difference in the flow. You might have to deal with friction problems for oversized valves. Therefore, sizing the valve is the fourth key factor to consider while buying them for your industrial unit.
5: What is the focus on the actuation method?
This is the fifth factor to consider when selecting control valves for your industrial unit. How will the valve be operated? If the valve is manually operated, it should not be an issue, but if you need actuation, you will have to select after careful observation. Your unit will require a pneumatic, electric, or hydraulic actuator for the latter.
Conclusion:
These are the five essential things you must consider while selecting control valves for your unit. You can source your product from the top control valve suppliers in India, who will guide you at every stage. Discuss your needs with them, and they will show you the control valve you need for your unit.
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