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What is the difference between the globe contoured and the cage plugs used in control valves, what is the difference between the leanear and equal percentage characteristics of these plugs. thx in advance.
hello,
please check this link out and it will clarifies to you the difference between the two types of characteristics
http://www.spiraxsarco.com/resources/steam-engineering-tutorials/control-hardware-el-pn-actuation/control-valve-characteristics.asp