44
Control systems Safety valves
Table 2 - SV60 flow capacity for air - normal m3/h at 0°C and 1013 mbar (calculated in accordance with AD-MERKBLATT A2 and TRD 421)
Valve size DN in/out
20/32 25/40
32/50
40/65
50/80 65/100 80/125 100/150 125/200 150/250
Orifice (mm)
17.0
23.8
30.6
38.0
50.1
59.0
73.0
91.0
105
125
Flow area (mm²)
230
445
740
1 140
1 979
2 734
4 185
6 504
8 659 12 272
w (P > 4 bar)
0.78
0.86
0.76
0.68
0.64
0.71
0.66
0.70
0.72
0.73
Set pressure (bar g)
Flow capacity for air m³/h
0.5
2 115
3 466
4 809
6 955
145
304
456
472
996
1 521
1.0
2 419
3 383
5 514
7 621
10 975
227
480
728
973
1 578
1.5
2 125
3 251
4 572
7 434 10 267 14 753
303
643
975
1 323
2.0
1 657
2 657
4 062
5 742
9 328
12 885 18 509
377
802
1 211
2.5
1 978
3 171
4 853
6 892
11 195 15 467 22 232
450
956
1 438
3.0
1 656
2 289
3 672
5 627
8 026
13 015 18 018 25 924
522
1 107
3.5
1 868
2 591
4 161
6 388
9 146
14 837 20 542 29 590
593
1 255
4.0
2 074
2 858
4 670
7 157
10 184 16 785 22 986 33 029
660
1 411
4.7 46
4.5
2 285
3 149
5 145
7 884
11 219 18 491 25 321 36 385
728
1 554
5.0
2 496
3 439
5 619
8 611
12 254 20 196 27 657 39 741
795
1 697
5.5
2 706
3 730
6 094
9 338
13 289 21 902 29 992 43 097
862
1 841
6.0
2 917
4 020
6 568 10 065 14 324 23 607 32 328 46 452
929
1 984
6.5
3 128
4 310
7 043 10 793 15 359 25 313 34 663 49 808
996
2 127
7.0
3 339
4 601
7 517
11 520 16 393 27 018 36 999 53 164
1 063 2 271
7.5
2 414
3 549
4 891
7 992
12 247 17 428 28 724 39 334 56 520
1 130
8.0
2 557
3 760
5 182
8 466
12 974 18 463 30 429 41 670 59 876
1 197
8.5
3 971
5 472
8 941
13 701 19 498 32 135 44 005 63 232
1 264 2 701
9.0
4 182
5 763
9 415
14 428 20 533 33 840 46 341 66 588
1 332 2 844
9.5
4 392
6 053
9 890
15 156 21 567 35 546 48 677 69 944
1 399 2 987
10.0
3 131
4 603
6 343 10 365 15 883 22 602 37 251 51 012 73 300
1 466
11.0
3 417
5 025
6 924
11 314 17 337 24 672 40 662 55 683 80 012
1 600
12.0
5 446
7 505
12 263 18 791 26 741 44 073 60 354 86 724
1 734 3 704
13.0
5 868
8 086
13 212 20 246 28 811 47 484 65 025 93 436
1 868 3 990
14.0
6 289
8 667
14 161 21 700 30 881 50 895 69 696 100 148
2 003 4 277
15.0
6 711
9 248
15 110 23 154 32 950 54 306 74 367 106 860
2 137 4 564
16.0
7 132
9 828
16 059 24 609 35 020 57 717 79 038 113 572
2 271 4 850
17.0
5 137
7 554 10 409 17 008 26 063 37 090 61 129 83 709
2 405
18.0
7 975
10 990 17 957 27 517 39 159 64 540 88 380
2 539 5 424
19.0
5 710
8 397
11 571 18 906 28 972 41 229 67 951 93 051
2 674
Continued on next page
TI-S13-27 CMGT Issue 17
Page 8 of 13
SV60 Safety Valve
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