The existence of a fluid controls institute fci standard does not in. The standard has been revised several times through the years to stay current as the industry and its products have evolved and advanced. Ansi said its ibr portal is an effort to make the standards reasonably available to people seeking to follow federal rules that reference them. If you find this website valuable and appreciate it is open and free for everybody. This standard establishes a series of seat leakage classes for regulators and defines the production test procedures. Leakage classification of control valves engineering toolbox.
V alve testing standards msssp61 ansi fci 702 every valve testing standard has an acceptable leakage rate. There are two things that the test standards have in common. Pdf in recent years, valve manufacturers across the globe have focused their attention towards developing control valves. Qualification and verification testing of fall protection products standard size. Pdf seat leakage analysis of a valve using numerical methods. This standard is similar to ansi fci 702 control valve seat leakage. The standard cannot be used as a basis for predicting leakage at conditions other than those specified. Unless otherwise specifically noted in this mss sp, any standard referred to herein is identified by the date of issue that was. The fci has periodically updated the standard since the standards development in 2001.
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