Kv values
Valve size
High capacity
Full port
Reduced
trim 1
Reduced
trim 2
Reduced
trim 3
Reduced
trim 4
Reduced
trim 5
DN15 DN20 DN25 DN32
DN40 DN50 DN65 DN80 DN100 DN125 DN150 DN200 DN250 DN300
Standard
trim
Equal %
Equal %
Linear
Fast
opening
Equal %
Linear
Equal %
Linear
Equal %
Linear
Equal %
Linear
Equal %
Linear
(1⁄2" ) (3⁄4")
4.9
7.2
4.0
6.3
4.0
6.3
4.0
6.3
2.5
4.0
2.5
4.0
1.6
2.5
1.6
2.5
1.0
1.6
1.0
1.6
1.0
1.0
(1")
(11⁄4")
11.0
17.5
10.0
16.0
10.0
16.0
10.0
18.0
6.3
10.0
6.3
10.0
4.0
6.3
4.0
6.3
2.5
4.0
2.5
4.0
1.6
1.6
1.0
1.0
(11⁄2") (2")
31.0
46.0
25.0
36.0
25.0
36.0
28.0
50.0
16.0
25.0
16.0
25.0
10.0
16.0
10.0
16.0
6.3
10.0
6.3
10.0
4.0
6.3
4.0
6.3
4.0
4.0
(21⁄2")
90
63
63
85
36
36
25
25
16
16
(3")
(4")
(5")
(6")
115
100
160
245
370
100
160
260
390
117
180
260
390
63
100
200
287
63
100
200
287
36
63
100
132
36
63
100
132
25
36
63
103
25
36
63
103
16
16
(8")
(10")
580
700
640
780
640
780
370
580
550
640
232
370
232
550
163
232
163
232
163
163
(12")
1 000
1 100
1100
700
780
580
640
370
550
232
232
163
163
Microflute
0.5
0.5
0.5
0.2
0.2
0.2
0.1
0.1
0.1
0.07
0.07
0.07
4.1.20
0.01
0.01
0.01
Note: For low noise and anti-cavitation Kv please see TI-S24-59
Cv (US) values
Cv (US) = Cv (UK) x 1.2009
Valve size
High capacity
Full port
Reduced
trim 1
Standard
Reduced
trim
trim 2
Reduced
trim 3
Reduced
trim 4
Reduced
trim 5
Note: For low noise and anti-cavitation Cv please see TI-S24-59
(1⁄2" )
Equal %
5.7
Equal %
4.6
Linear
4.6
Fast
opening
Equal %
2.9
Linear
2.9
Equal %
1.8
Linear
1.8
Equal %
1.2
Linear
1.2
Equal %
Linear
Equal %
Linear
(3⁄4")
(1")
(11⁄4")
8.3
12.7
20.2
7.3
12.0
18.0
7.3
12.0
18.0
(21⁄2")
(3")
(4")
(6")
104.0 133.0
73.0
116.0 185.0
433
73.0
116.0 185.0
456
98.0 135.0 208.0
456
42.0
73.0
116.0
336
42.0
73.0
116.0
336
29.0
42.0
73.0
154
29.0
42.0
73.0
154
18.0
29.0
42.0
120
18.0
29.0
42.0
120
18.0
18.0
(8")
(10")
(12")
Microflute
0.12
0.081 0.081 0.081
DN15 DN20 DN25 DN32
DN40 DN50
(11⁄2")
(2")
36.0
53.0
29.0
42.0
29.0
42.0
32.0
58.0
18.0
29.0
18.0
29.0
12.0
18.0
12.0
18.0
7.3
12.0
7.3
12.0
4.6
7.3
4.6
7.3
4.6
4.6
DN65 DN80 DN100 DN150 DN200 DN250 DN300
4.6
7.3
12.0
21.0
4.6
7.3
12.0
4.6
7.3
12.0
2.9
4.6
7.3
2.9
4.6
7.3
1.8
2.9
4.6
1.8
2.9
4.6
1.2
1.8
749
902
1272
433
670
809
636
740
902
271
428
670
271
636
740
191
268
428
191
268
636
188
268
188
268
188
188
1.2
1.8
1.2
1.2
0.58
0.58
0.6
0.23
0.23
0.23
0.12
0.12
0.012 0.012 0.012
Control valves
Control valves
TI-S24-71 CH Issue 10
Spira-trol
TM
Two-port Control Valves EN Standard KE, KF and KL DN15 to DN300 and ASME Standard KEA, KFA and KLA 1⁄2" to 12"
679
809
749
902
1 156
1 272
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