Bray/mccannalok hpbv – valve sizing coefficients, Valve sizing coefficient (cv) – Bray 40_41 User Manual
Page 17
Bray/McCannalok HPBV – Valve Sizing Coefficients
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The technical data herein is for general information only. Product suitability should be based solely upon customer’s detailed knowledge and experience with their application.
Coefficients : 17
ASME 150 Series 40/41/4A
- Valve Sizing Coefficient (Cv)
Valve
Size
Inches
Disc Position (Degrees)
90º
80º
70º
60º
50º
40º
30º
20º
10º
2 1/2
160
136
100
78
50
30
16
8
3
3
185
178
155
123
87
56
32
14
5
4
375
365
315
250
175
115
63
31
10
5
790
675
500
360
238
146
78
41
16
6
1,350
1,070
750
510
330
218
140
81
35
8
2,800
2,230
1,590
1,060
685
456
280
165
65
10
4,300
3,450
2,430
1,630
1,050
700
450
250
100
12
6,650
5,330
3,750
2,530
1,630
1,080
700
390
155
14
7,650
6,100
4,300
2,900
1,890
1,250
810
450
175
16
9,800
7,860
5,510
3,700
2,420
1,530
1,020
580
230
18
10,500
9,100
6,960
5,100
3,520
2,220
1,180
500
170
20
13,500
11,700
8,800
6,500
4,500
2,820
1,530
640
200
24
20,000
17,100
12,800
9,570
6,640
3,880
2,200
920
240
26
20,000
17,100
12,800
9,570
6,640
3,880
2,200
920
240
28
28,000
23,900
18,200
13,500
9,300
5,700
3,100
1,300
290
30
32,000
27,300
20,900
15,500
10,700
6,700
3,600
1,510
320
32
34,000
29,100
22,300
16,500
11,400
7,150
3,850
1,610
340
34
34,000
29,100
22,300
16,500
11,400
7,150
3,850
1,610
340
36
48,500
41,100
31,700
23,200
16,400
10,200
5,430
2,260
480
40
62,000
55,200
44,000
33,300
23,800
15,200
8,600
3,520
670
42
65,000
58,000
46,100
35,000
25,000
16,000
9,000
3,700
700
48
91,000
80,900
63,700
43,600
29,100
20,000
11,000
4,600
920
54
125,000
111,000
87,500
60,000
40,000
27,500
15,000
6,000
1,200
60
160,000
140,000
105,000
75,000
50,000
31,000
17,000
7,000
1,400