Pipeline ancillaries Ball valves
10
Cv values for reduced bore (RB) valves (Kv values = Cv x 0.86) Valve size Pipe size Rotation 0° 9° 18° 27° 36° 45° 54°
63°
72°
81°
90°
½" ¾"
3.50
0.00 0.00 0.22 0.36 0.58 0.88 1.47 2.17
5.53 7.00
½"
3.29
0.00 0.00 0.22 0.36 0.58 0.88 1.45 2.12
4.80 5.66
1"
3.20
0.00 0.00 0.22 0.36 0.58 0.87 1.44 2.09
4.53 5.23
¾"
6.00
0.00 0.00 0.37 0.62 0.99 1.50 2.52 3.72
9.48 12.00
1"
5.87
0.00 0.00 0.37 0.62 0.99 1.50 2.50 3.69
8.98 11.03
¾"
1¼" 1½"
5.73
0.00 0.00 0.37 0.62 0.99 1.50 2.49 3.65
8.52 10.21
5.68
0.00 0.00 0.37 0.62 0.99 1.49 2.48 3.64
8.35 9.91
1"
15.80
0.00 0.00 0.98 1.64 2.61 3.95 6.64 9.80
24.96 31.60
1¼" 1½"
15.10
0.00 0.00 0.98 1.64 2.61 3.94 6.59 9.63
22.45 26.91
1"
14.70
0.00 0.00 0.98 1.64 2.60 3.93 6.55 6.52
21.20 24.83
2"
14.15
0.00 0.00 0.98 1.64 2.60 3.92 6.50 9.36
19.63 22.41
1¼" 1½"
23.65
0.00 0.00 1.47 2.46 3.90 5.91 9.93 14.66
37.37 47.30
23.00
0.00 0.00 1.47 2.46 3.90 5.90 9.88 14.50
34.95 42.66
1¼"
2"
22.00 21.47 41.00
0.00 0.00 1.47 2.46 3.89 5.88 9.80 14.24
31.72 37.14
2½"
0.00 0.00 1.47 2.46 3.89 5.87 9.75 14.09
30.18 34.74
1½"
0.00 0.00 2.54 4.26 6.77 10.25 17.22 25.42
64.78 82.00
2"
38.65
0.00 0.00 2.54 4.26 6.76 10.21 17.03 24.83
56.53 66.91
1½"
2½"
37.08
0.00 0.00 2.54 4.25 6.75 10.18 16.89 24.40
51.94 59.65
3"
35.63 60.00
0.00 0.00 2.54 4.25 6.74 10.15 16.75 23.97
48.16 54.12
1½"
0.00 0.00 3.72 6.24 9.90 15.00 25.20 37.20
94.80 120.00
2½"
58.70
0.00 0.00 3.72 6.24 9.89 14.98 25.10 36.88
89.92 110.53
7.3.111
2"
3"
56.56
0.00 0.00 3.72 6.24 9.88 14.94 24.93 36.33
82.73 97.93
4"
54.43
0.00 0.00 3.72 6.23 9.87 14.90 24.73 35.75
76.46 87.97
2½"
98.00
0.00 0.00 6.08 10.19 16.17 24.50 41.16 60.76
154.84 196.00
3"
95.79
0.00 0.00 6.08 10.19 16.16 24.46 40.99 60.22
146.53 179.90
2½"
4"
91.13
0.00 0.00 6.08 10.18 16.14 24.38 40.60 59.01
131.31 153.72
6"
86.43
0.00 0.00 6.08 10.17 16.11 24.28 40.16 57.67
118.31 133.91
10.3 96
FL
0.68
-
-
0.96 0.94 0.92 0.88 0.82 0.75
0.62 0.50
TI-P133-46 CMGT Issue 2
Page 4 of 4
M15 ISO Ball Valve for Control of Fluids - Sizing Sheet
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