News - Several Steps for Suitable Valve

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Home > News > Several Steps for Suitable Valve

Several Steps for Suitable Valve - 2013-06-21 15:02:21

Bare Stem Butterfly Valve comes in a variety of sizes, types, functions and materials. This seems customers have more options, but this also adds difficulties to get desired valve. As a matter of fact, you only need to focus on the following points, including:

Medium requirement

Firstly, take the features of medium into account. This step directly affects your choice. Medium can be water, air, vacuum, non-corrosive or corrosive fluids. Moreover, temperature/pressure of medium and ambient temperature should also be considered. Obviously, valve that features low pressure application is unfit for high pressure use. Hence, make you clear that what feature the medium is.

Function

Then, make a list of types of valves. This step will make you know their features clearly. Currently, market offers gate valve,Aluminum Butterfly Valve, ball valve, shut-off valve, non-return valve, as well as pressure reducing valve. Although there are different types of valve, they play a distinct part, for example:

Valve offered by gate valve manufacturer focuses on cutting off the fluids at low or high temperature/pressure condition; butterfly valve is used to open, close and adjust fluids; let's move on to another useful valve – ball valve. Speaking of this valve, it has more functions including adjustment, abscission, as well as distribution. Moreover, ball valve is able to replace gate valve or plug valve.

Half Stem Butterfly Valve is more suitable for adjusting the fluids; when it comes to non-return valve, its function concentrates on preventing back flow; lastly, reducing pressure valve is mainly designed to decrease the pressure of fluids to be desired pressure.

Materials of valve

Valve can be made of stainless steel, cast steel, aluminum alloy, alloy steel, and so forth. In fact, most of materials can provide excellent performance for advanced technology. With so many selections, just keep in mind that the material used in valve should features durability, wear resistance, heat resistance or easy maintenance.

Operation types

Method of operation should be taken into consideration as well. At present, valve can be controlled by hands, pneumatic, electric as well as hydraulic operation.

Manual operation is original. Because of speed controller, pneumatic operation seems much easier to adjust the speed. Electric operation works well at various ambient temperatures. Meanwhile, it allows operators to remember and calculate conveniently. If you want to operate the valve by hydraulic method, it's fit for underwater condition application and remote control.

Actually, it's not so complex to make a right choice. Remember that you should have a plan prior to starting your choice.

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