Data Sheet

Bulletin 74.3:ACE97
7
Table 7. NPS 1/2 / DN 15 Pad Valve Capacities of 0.97 Specific Gravity Nitrogen




C
v
 C
v

psig  

  Nm

  Nm


25
30
40
1.7
2.1
2.8
1.8
2.1
2.8
172
207
276
250
290
370
6.7
7.8
9.9
550
630
780
14.7
16.9
20.9
50
60
70
3.4
4.1
4.8
3.5
4.2
4.9
345
414
483
450
530
610
12.1
14.2
16.3
930
1070
1230
24.9
28.7
33.0
80
90
100
5.5
6.2
6.9
5.6
6.3
7.0
552
621
690
690
780
860
18.5
20.9
23.0
1390
1560
1720
37.3
41.8
46.1
120
140
160
8.3
9.7
11.0
8.4
9.8
11.2
828
966
1103
1020
1180
1340
27.3
31.6
35.9
2040
2360
2680
54.7
63.2
71.8
180
200
12.4
13.8
12.7
14.1
1241
1379
1500
1660
40.2
44.5
3000
3330
80.4
89.2
Table 8. NPS 1 / DN 25 Pad Valve Capacities of 0.97 Specific Gravity Nitrogen




C
V
= 1 C
V
 C
V
 C
V
 C
V

psig  

  Nm

  Nm

  Nm

  Nm

  Nm


25
30
40
50
1.7
2.1
2.8
3.4
1.76
2.11
2.81
3.52
172
207
276
345
1330
1510
1870
2280
35.6
40.5
50.1
61.1
2670
3020
3750
4570
71.6
80.9
101
122
5350
6050
7510
9140
143
162
201
245
10,000
11,300
14,000
17,100
268
303
375
458
13,000
15,100
18,700
22,800
348
405
501
611
60
70
80
90
100
4.1
4.8
5.5
6.2
6.9
4.22
4.92
5.62
6.33
7.03
414
483
552
621
690
2690
3090
3490
3900
4300
72.1
82.8
93.5
105
115
5380
6180
6990
7800
8600
144
166
187
209
230
10,700
12,300
13,900
15,600
17,200
287
330
373
418
461
20,100
23,200
26,200
29,200
32,200
539
622
702
783
863
26,900
30,000
34,900
39,000
43,000
721
804
935
1045
1152
110
120
130
140
150
7.6
8.3
9.0
9.7
10.3
7.73
8.44
9.14
9.84
10.55
759
827
897
965
1034
4700
5100
5510
5910
6310
126
137
148
158
169
9410
10,200
11,000
11,800
12,600
252
273
295
316
338
18,800
20,400
22,000
23,600
25,200
504
547
590
632
675
35,300
38,300
41,300
44,300
47,300
946
1026
1107
1187
1268
47,000
51,000
55,100
59,100
63,100
1260
1367
1477
1584
1691
160
170
180
190
200
11.0
11.7
12.4
13.1
13.8
11.25
11.95
12.65
13.36
14.06
1103
1172
1241
1310
1379
6710
7120
7520
7920
8320
180
191
202
212
223
13,400
14,200
15,000
15,800
16,600
359
381
402
423
445
26,800
28,400
30,000
31,700
33,300
718
761
804
850
892
50,300
53,400
56,400
59,400
62,400
1348
1431
1512
1592
1672
67,100
71,200
75,200
79,200
83,200
1798
1908
2015
2123
2230
Typical accuracy when owing 5 to 70% of table value is ± 0.5 inch w.c. / 1 mbar.
Table 9. NPS2 / DN 50 Pad Valve Capacities of 0.97 Specific Gravity Nitrogen




C
V
 C
V
 C
V

psig  

  Nm

  Nm

  Nm


25
30
40
50
1.7
2.1
2.8
3.4
1.76
2.11
2.81
3.52
172
207
276
345
26,700
30,200
37,500
45,700
716
809
1005
1225
60,200
68,100
84,500
102,800
1613
1825
2265
2755
80,000
90,800
112,700
137,100
2144
2433
3020
3674
60
70
80
90
100
4.1
4.8
5.5
6.2
6.9
4.22
4.92
5.62
6.33
7.03
414
483
552
621
690
53,800
61,800
69,900
78,000
86,000
1442
1656
1873
2090
2305
121,000
139,200
154,400
175,500
193,600
3243
3731
4138
4703
5188
161,400
185,600
209,800
234,000
258,200
4326
4974
5623
6271
6920
125
150
175
200
8.6
10.3
12.1
13.8
8.79
10.55
12.31
14.06
862
1034
1207
1379
102,100
126,300
142,400
166,500
2736
3385
3816
4462
238,900
284,200
329,400
347,700
6403
7617
8828
9318
306,500
378,900
427,200
499,600
8214
10,155
11,449
13,389
Typical accuracy when owing 5 to 70% of table value is ± 0.5 inch w.c. / 1 mbar.