No. SS2-8110-0400 Azbil Corporation - 2 - Flow characteristics (Idealistic flow characteristics is indicated in this pragph.) Table 1 Cv value and rated travel Nominal size (inches) 1 1 2 2 3 4 5 6 Port size (inches) 0.25, 0.4, 0.63, 1.0, 1.6, 2.5, 4.0, 6.3, 10 1 1. 1. 1. 1. 2 1. 2 2. 2 2. 3 2. 3 4 3 4 5 4 5 6 Rated Cv value JIS 63K ANSI900, 1500 10 14 21 14 21 39 21 39 56 39 56 83 56 83 144 83 144 210 144 210 315 ANSI2500 - 10 14 10 14 25 14 25 39 25 39 56 39 56 91 56 91 144 91 144 210 Rated travel (mm) 14.3 25 25 37.5 37.5 37.5 50 50 100 90 80 70 60 50 40 30 20 10 0 Percentage of stem travel (%) 100 90 80 70 60 50 40 30 20 10 0 Percentage of stem travel (%) 0.25 0.4 0.63 1.0 1.6 2.5 4.0 6.3 10 0.006 0.007 0.008 0.009 0.01 0.02 0.3 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 2 3 4 5 6789 10 20 30 40 50 60 70 80 90 100 200 300 400 500 600 700 800 900 1000 0.4 0.5 0.6 0.7 0.8 0.9 1 2 3 4 5 6789 10 20 30 40 50 60 70 80 90 100 200 300 400 500 600 700 800 900 1000 2000 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 2 3 4 56789 10 Cv value Cv value Cv value 100 90 80 70 60 50 40 30 20 10 0 Percentage of stem travel (%) 10 14 21 39 56 83 144 210 315 10 14 25 39 56 91 144 210 Equal percentage Equal percentage (JIS 63K, ANSI 900, 1500) Equal percentage (ANSI 2500) Port size (inches) 11/4 11/2 2 21/2 3 4 5 6 Port size (inches) 11/4 11/2 2 21/2 3 4 5 6