Control systems Control valves
4
3 Stage Low Noise Trim (continued)
Kv (Cv US) values For conversion: Cv (UK) = Kv x 0.963
DN32 (1¼")
DN40 (1½")
DN50 (2")
DN65 (2½")
DN80 (3")
DN100 (4")
DN125 (5")
DN150 (6")
DN200 (8")
DN250 (10")
DN300 (12")
Trim
Full port Equal percentage
13 (15)
13 (15)
13 (15)
25 (29)
25 (29)
36 (42)
78 (90)
100 (116)
180 (208)
223 (258)
282 (326)
Full port Linear
13 (15)
13 (15)
13 (15)
25 (29)
25 (29)
36 (42)
78 (90)
100 (116)
180 (208)
282 (326)
319 (369)
Reduction 1 Equal percentage and Linear Reduction 2 Equal percentage and Linear Reduction 3 Equal percentage and Linear Reduction 4 Equal percentage and Linear Reduction 5 Equal percentage and Linear
10 (11.6)
10 (11.6)
10 (11.6)
16 (18.5)
16 (18.5)
25 (29)
63 (73)
63 (73)
160 (185)
180 (208)
223 (258)
6.3 (7.3)
6.3 (7.3)
6.3 (7.3)
10 (11.6)
10 (11.6)
16 (18.5)
36 (42)
36 (42)
100 (116)
160 (185)
180 (208)
4 (4.6)
4 (4.6)
4 (4.6)
6.3 (7.3)
6.3 (7.3)
10 (11.6)
25 (29)
25 (29)
36 (42)
100 (116)
160 (185)
4.1 111
4 (4.6)
4 (4.6)
6.3 (7.3)
16 (18.5)
36 (42)
100 (116)
10 (11.6)
36 (42)
TI-S24-59 CTLS Issue 7
Page 13 of 14
Balanced and Multi-stage Trim Options for Spira-trol TM Two-port Control Valves
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