Nominal Size Selection Table - Yoshitake AF-10EN Product Manual

Full bore safety valve
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●For Steam (Saturated steam temperature)
Nominal
size
0.1
20A
224
25A
348
32A
573
40A
877
50A
1393
65A
2332
80A
3511
100A
5457
Nominal
size
0.9
20A
1120
25A
1735
32A
2856
40A
4374
50A
6946
65A
11625
80A
17501
100A
27195
● For Air (20°C)
Nominal
size
0.1
20A
353
25A
548
32A
902
40A
1381
50A
2193
65A
3671
80A
5527
100A
8588
Nominal
size
0.9
20A
1837
25A
2844
32A
4682
40A
7170
50A
11386
65A
19057
80A
28689
100A
44579

4. Nominal size selection table

Pressure (MPa)
0.2
0.3
338
451
524
699
862
1151
1321
1762
2098
2799
3512
4684
5286
7052
8215
10959
Pressure (MPa)
1.0
1.1
1231
1341
1906
2077
3138
3418
4806
5235
7632
8313
12774
13913
19229
20945
29881
32547
Pressure (MPa)
0.2
0.3
539
724
835
1122
1374
1847
2105
2828
3342
4491
5594
7518
8422
11317
13087
17586
Pressure (MPa)
1.0
1.1
2022
2208
3132
3419
5154
5627
7894
8617
12535
13684
20980
22903
31584
34479
49078
53577
EN ISO 4126-1:2013
0.4
0.5
564
676
873
1047
1437
1723
2202
2639
3497
4191
5852
7015
8811
10561
13691
16411
1.2
1.3
1451
1560
2246
2416
3697
3977
5663
6090
8993
9671
15051
16187
22658
24368
35208
37866
EN ISO 4126-1:2013
0.4
0.5
910
1095
1409
1696
2319
2792
3552
4276
5641
6790
9441
11364
14212
17108
22085
26584
1.2
1.3
2393
2578
3706
3993
6099
6572
9341
10065
14833
15982
24827
26750
37374
40269
58076
62574
4
0.6
0.7
787
899
1219
1392
2007
2291
3074
3509
4882
5572
8172
9326
12302
14039
19116
21815
1.4
1.5
1670
1780
2586
2757
4257
4537
6520
6949
10353
11035
17328
18469
26086
27803
40535
43203
0.6
0.7
1280
1466
1983
2270
3264
3737
4999
5723
7939
9088
13287
15211
20003
22898
31082
35581
1.4
1.5
2764
2949
4280
4567
7044
7517
10788
11512
17132
18281
28673
30596
43165
46060
67073
71572
(kg/h)
0.8
1010
1564
2574
3942
6259
10477
15772
24508
(kg/h)
1.6
1889
2926
4816
7376
11713
19604
29513
45859
(kg/h)
0.8
1651
2557
4209
6446
10237
17134
25793
40080
(kg/h)
1.6
3135
4854
7989
12235
19430
32520
48955
76071
■EPDT-395■

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