Killed steel, sometimes called deoxidized steel, is steel that has been entirely deoxidized by adding an agent before casting. Thus, there are minimal gas pockets that present during solidification. This article reviews the process of making killed steel, and various types such as aluminum, carbon steel grades, and killed steel valves. What is Killed Steel […]
Blowdown service refers to the process of removing hot water from the bottom of a boiler to reduce the accumulation of dissolved solids in the boiler water. These solids, if left unchecked, can affect boiler efficiency, therefore, cause scaling, and lead to operational issues. During this process, the hot water is rapidly vented to the
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HYDRO TESTING – CLASS I to IVCLASS SEAT LEAKAGE The term “Class” seat leakage comes from ANSI/FCI 70-2, a specification that applies exclusively to control valve seat leakage. It does not apply to gate or globe valves, which typically serve in on/off service rather than throttling applications. Despite this distinction, some end users mistakenly specify
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Understanding the 3-Line Bypass and Equalizer Combination in Gate Valves A 3-line bypass and equalizer combination plays a crucial role in ensuring safe, efficient valve operation in high-pressure systems. This design allows users to warm downstream piping, reduce torque requirements, and prevent overpressurization within the valve body. In this article, we will explore how the
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