Flow Characteristic Curves
10
57
5202
30
40
50
60
70
80
90
80
100
125
150
200
250
300
350
400
450
500
600
12
3
4
5
6
8
10
14
16
18
20
24
C
O C
I
IE
K ,
S P
F
O F
v
W
L
E
N
G
T
U
M
FLOW COEFFICIENT Kv , USGPM
DISC OPENING ANGLE ,
DEGREES
E
Z ,
M
E
L
SI
VA V
M
L
I
H
N
A VE
E
V
S
,
C
IZ
179.1
341.2
554.4
895.6
1535.4
2686.9
4051.7
4435.6
5885.7
7932.9
9638.9
15780.5
750
900
36
30
24822.3
40517.5
PN40 - CLASS 300
50
2
59.7
65 2.1/2
110.8
10
57
5202
30
40
50
60
70
80
90
50
65
80
100
125
150
200
250
300
350
400
450
500
600
12
2
2.1/2
3
4
5
6
8
10
14
16
18
20
24
F
v
W
L
E F
N
G
C
T
U
M
O C
I
IE
K
,
S P
F
O
FLOW COEFFICIENT Kv , USGPM
DISC OPENING ANGLE ,
DEGREES
L
S E
I
VA V
MM
E Z ,
VE
VA
S E,
C
L
IZ
IN H
179.1
341.2
554.4
895.6
1876.6
2814.9
4350.3
4947.4
6824
8956.5
11942
18424.8
59.7
110.8
PN16 - CLASS 150
25590
17060
8530
6824
5118
3412
2559
1706
853
682.4
511.8
341.2
255.9
170.6
85.3
68.2
51.1
34.1
25.5
17
8.5
6.8
4.2
3.4
2.5
51180
34120
29002
750
30
47341.5
900
36
25590
17060
8530
6824
5118
3412
2559
1706
853
682.4
511.8
341.2
255.9
170.6
85.3
68.2
51.1
34.1
25.5
17
8.5
6.8
4.2
3.4
2.5
51180
34120
To convert Kv values into Cv values use:
Cv = Kv x 1.17
9
B-2530-UK-06-2013-REV. A
An
Company
Know-how makes the difference
9
