Kv and Cv Values and Pressure Temperature Ratings
PN 16 - Class 150#
PN 40 - Class 300#
Valve size
Cv
Kv
Inch mm 60°
90°
60°
90°
2
50
25
50
22
43
2 1/2 65
39
78
34
67
3
80
82,5
165
71
142
4 100
200
400
172
344
5 125
325
650
280
559
6 150
525
1050
452
903
8 200 1100
2200
946
1892
10 250 1650
3300
1419
2838
12 300 2550
5100
2193
4386
14 350 2900
5800
2494
4988
16 400 4000
8000
3440
6880
18 450 5250 10500 4515
9030
20 500 7000 14000 6020 12040
24 600 10800 21600 9288 18576
28 700 14935 29870 12844 25688
30 750 17000 34000 14620 29240
32 800 20585 41170 17703 35406
36 900 27750 55500 23865 47730
40 1000 36800 73600 31648 63296
42 1050 41325 82650 35540 71079
44 1100 45600 91200 39216 78432
48 1200 54150 108300 46569 93138
52 1300 60840 121680 52322 104645
54 1350 66750 133500 57405 114810
56 1400 71000 142000 61060 122120
60 1500 79500 159000 68370 136740
64 1600 92160 184320 79258 158515
66 1650 98010 196020 84289 168577
72 1800 116640 233280 100310 200621
Valve size
Cv
Kv
Inch mm 60°
90°
60°
90°
2
50
25
50
22
43
2 1/2 65
39
78
34
67
3
80
82,5
165
71
142
4 100
200
400
172
344
5 125
325
650
280
559
6 150
525
1050
452
903
8 200
900
1800
774
1548
10 250 1575
3150
1355
2709
12 300 2375
4750
2043
4085
14 350 2600
5200
2236
4472
16 400 3450
6900
2967
5934
18 450 4650
9300
3999
7998
20 500 5650 11300 4859
9718
24 600 9250 18500 7955 15910
28 700 12785 25570 10995 21990
30 750 14550 29100 12513 25026
32 800 17620 35235 15153 30302
36 900 23750 47500 20425 40850
CLASS 300, PN 40
CLASS 150, PN16
0
500
400
300
200
100
-100
800
700
600
500
400
300
200
100
003
05 0
250
200 150
100
-50
50
40
30
600
20
10
A
R
E
P
M
E
T
W
O
L
A
R
E
R
U
T
G
N
I
T
-20
-29
0
TEMPERATURE , C
L
A
I
T
N
E
R
E
F
F
I
D
M
U
M
I
X
A
M
I
S
P
,
E
R
U
S
S
E
R
P
0
TEMPERATURE , F
L
A
I
T
N
E
R
E
F
F
I
D
M
U
M
I
X
A
M
R
A
B
,
E
R
U
S
S
E
R
P
005
0
400
300
200
100
-100
800
700
600
500
400
300
200
100
003
05 0
250
200 150
100
-50
50
40
30
600
20
10
A
R
E
P
M
E
T
W
O
L
A
R
E
R
U
T
G
N
I
T
0
TEMPERATURE , C
L
A
I
T
N
E
R
E
F
F
I
D
M
U
M
I
X
A
M
I
S
P
,
E
R
U
S
S
E
R
P
0
TEMPERATURE , F
L
A
I
T
N
E
R
E
F
F
I
D
M
U
M
I
X
A
M
R
A
B
,
E
R
U
S
S
E
R
P
-20
-29
A 351 Gr. CF8M , CAST STAINLESS STEEL
A 216 Gr. WCB , CAST CARBON STEEL
VITON
METAL SEAT
(use graph of stainless steel)
PTFE
EPDM
RPTFE
SATURATED STEAM
Body
&
Disc
Seals
An
Company
B-2530-UK-06-2013-REV. A
8
Know-how makes the difference
