44
Control systems Control valves
Kv values
Valve size
DN125
DN150
DN200
DN250
DN300
Equal %
245
370
580
700
1 000
Full port
Linear
260
390
640
780
1 100
Fast opening
260
390
640
780
1 100
Equal %
200
287
370
580
700
Reduced trim 1
Linear
200
287
550
640
780
Equal %
100
132
232
370
580
Reduced trim 2
Standard trim
Linear
100
132
232
550
640
Equal %
63
103
163
232
370
Reduced trim 3
Linear
63
103
163
232
550
Equal %
163
232
Reduced trim 4
Linear
163
232
Equal %
163
Reduced trim 5
Linear
163
Note: For low noise and anti-cavitation Kv please see TI-S24-59 Cv (US) values Cv (US) = Cv (UK) x 1.2009
4.1 46
Valve size
DN150
DN200
DN250
DN300
Equal %
433
679
809
1 156
Full port
Linear
456
749
902
1 272
Fast opening
456
749
902
1 272
Equal %
336
433
670
809
Reduced trim 1
Linear
336
636
740
902
Equal %
154
271
428
670
Reduced trim 2
Standard trim
Linear
154
271
636
740
Equal %
120
191
268
428
Reduced trim 3
Linear
120
191
268
636
Equal %
188
268
Reduced trim 4
Linear
188
268
Equal %
188
Reduced trim 5
Linear
188
Note: For low noise and anti-cavitation Cv please see TI-S24-59
TI-S24-73 CTLS Issue 4
Page 6 of 15
Spira-trol TM Two-port Control Valves K Series DN125 to DN300 and 6" to 12"
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