Control Valve Sizing for Steam
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0.8
1
2
3
4
5
8
10
20
30
40
50
80
20
30
40
50
80
100
200
300
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3000
4 0005 000
8000
10 000
20 000
30 000
40 000
50 000
80000
0.1
0.20.3
0.5 1 2 3 5
10
2030
0.4
1.6
2.5
6.3
25
Kv=1.0
16
63Kv=100
160250
400
100 000
40
P
ressuredropbar
Criticalpressuredropline
4.0
Kv=10
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1
2
3
45
8
10
20
30
40
50
80
10
20
30
40
50
80100
200
300
400500
8001000
2 000
3000
4 0005 000
8 00010 000
20 000
30 000
40 00050 000
80000
200 150 50100 0
Criticalpressuredropline
0.10.2
0.3 0.5
1 2 3 5
10
20 30
Pressuredropbar
0.4
1.6
2.5
4.0
6.3
25
Kv=1.0
Kv=10
16
63Kv=100
160250
400
40
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0.8
1
2
3
45
8
10
20
30
40
50
80
10
20
30
4050
80100
200
300
400500
8001000
2 000
3000
4 0005 000
8 00010 000
20 000
30 000
40 00050 000
80000
200 150 50100 0
Criticalpressuredropline
0.10.2
0.3 0.5
1 2 3 5
10
20 30
Pressuredropbar
0.4
1.6
2.5
4.0
6.3
25
Kv=1.0
Kv=10
16
63Kv=100160
250
400
40
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