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An Engineer’s Guide to Selection of Fluid Valve Type

Selecting the correct fluid valve type and material of construction is critical for the safety, quality, yield and process control. There are huge varieties of valve types and valve material and the task of proper selection can be overwhelming. In this article, we will try to understand the fluid valve types, functioning, applications and material of construction which will make the selection task easier.

The flow coefficient is a constant, related to the geometry of a test specimen used to calculate the flow rate of a of the test specimen under given conditions. Test specimen can be any valve or combination of valve, reducers, expanders or other fitting for which test data are required.