Valve Body Material Selection Guide

Selection Guide

The challenge in making the right material choice is verifying the chosen material that actually fits best to the application. This involves taking the flow media properties and working conditions in action.

Body Material

The valve suitability is decided by the materials of the specific application. It is used in the relation to convey fluid as well as mechanical design. The control valve user always specifies the body material. It is always the same material as the pipe. The most common types of body material are:

1.   Carbon steel

Carbon steel is very much used material for bodies. It handles non corrosive gas and liquid which is up to 800 degrees Fahrenheit to 1000 degree Fahrenheit. Carbon steel are used for many steam services and condensate services.

2.   Stainless steel

Stainless steel is mostly used for high temperatures and it is applied in corrosive applications. It is very much corrosive resistant than chrome moly and carbon steel.

3.   Chrome steel

Chrome moly steel is actually used for the high pressure and temperature than carbon steel. It includes services as flashing condensate which demands corrosion and erosion resistant and high pressure steam. Chrome moly is very stronger than carbon steel and in some areas it is also stronger than stainless steel. It cost less than stainless steel and it is corrosion resistant.

4.   Special alloys and valtex

Special alloys such as titanium, nickel and Monel are also available in Valve Body Material Selection Guide. Consideration is given to the material types that are used in the past. Valtex is cautious and very specific about choosing materials for the users. In the most basic application the control valve users also check through the body materials.

Valve Body Material Selection Guide

There are many different types of material that are used from carbon steels for the valve bodies. Below are mentioned some of them that are used in ASME B16.34:

1.   Cast iron is inexpensive and it is used for valve bodies controlling water, gas and steam. It is used for low pressure ratings and temperature.

2.   Cast chromium molybdenum has many welding properties and good castings. It is used mainly in boiler and steam water services.

3.   Cast type stainless steel goes with the industry stainless body material. It gives 316 greater time to pitting, corrosion and oxidizing fluids. It also has the good range of standard materials.

Required valve Proper design

Proper design needs lots of thought. It is especially when it comes to specifying the components. These components make these types of valve systems. Valves selection is very critical and it is a key aspect of that selection process. It is the understanding of how the materials used in the valve are considered. It has a long range impact on valves and its overall system performance.

Conclusion

Very important thing is to concern to the working condition is to know that the temperature and pressure ratings for the working media is to check erosion and corrosion properties. Engineers that are assigned to choose valve material should be always familiar with the ASME B16.34 standard requirements.

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leo
Hi! I'm Leo, I'm a professional writer for XinHui valve, I'm responsible for writing articles on the entire website. This is not only my daily job, but also the manager of the export sales team. When you have questions about the order, I will answer your doubts for a very reason. You can leave your question and email address, and I will contact you as soon as possible!

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