Data Sheet

Bulletin 71.2:299H
12
- continued -
Table 5. Types 299H and 299HR Flow Capacities
(1)
for 1-1/2 NPT and NPS 2 / DN 50 External/Dual Registration (continued)
OUTLET PRESSURE
RANGE, SETTING,
ACCURACY, SPRING PART
NUMBER AND COLOR
INLET PRESSURE
CAPACITIES IN SCFH / Nm
3
/h OF 0.6 SPECIFIC GRAVITY NATURAL GAS
Orice Size, Inches / mm
1/4 x 3/8 / 6.4 x 9.5 3/8 / 9.5 1/2 / 13 3/4 / 19 7/8 / 22 1 / 25 1-3/16 / 30
psig bar SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h
1 to 3.25 psig /
69 mbar to 0.22 bar
2 psig / 0.14 bar
±1% psia / bar
T13593T0012
Light Blue
5
10
15
20
0.34
0.69
1.0
1.4
1020
1550
1920
2240
27.3
41.5
51.4
60.0
2100
3340
4360
5150
56.4
89.5
117
138
3640
5810
7580
8960
97.5
156
203
240
7440
12,040
15,990
19,250
199
323
429
516
8650
14,410
18,950
24,110
232
386
508
646
11,140
18,460
25,050
30,380
299
495
671
814
13,560
22,570
30,760
37,410
363
605
824
1003
25
30
40
50
60
1.7
2.1
2.8
3.4
4.1
2570
2890
3530
4180
4820
68.9
77.4
94.6
112
129
5890
6640
8120
9600
11,090
158
178
218
257
297
10,250
11,540
14,120
16,700
19,280
275
309
378
448
517
22,030
24,800
30,350
35,890
41,440
590
665
813
962
1111
27,110
31,110
38,100
44,100
51,090
727
834
1021
1182
1369
36,370
40,950
50,100
59,260
68,420
975
1097
1343
1588
1834
45,330
51,040
62,450
73,870
85,290
1215
1368
1674
1980
2286
80
100
125
150
175
5.5
6.9
8.6
10.3
12.1
6110
7400
9020
10,630
12,240
164
198
242
285
328
14,050
17,020
20,730
24,440
28,150
377
456
556
655
754
24,440
29,600
36,050
42,500
48,950
655
793
966
1139
1312
52,540
63,630
77,500
91,360
1408
1705
2077
2448
65,080
79,060
96,050
1744
2119
2574
86,740
105,060
2325
2816
108,120 2898
2.75 to 6 psig /
0.19 to 0.41 bar
5 psig / 0.34 bar
±1% psia / bar
T13671T0012
Orange
10
15
20
25
0.69
1.0
1.4
1.7
1390
1870
2240
2570
37.2
50.1
60.0
68.9
2910
4190
5090
5890
78.0
112
136
158
5050
7280
8850
10,250
135
195
237
275
10,350
15,150
18,640
22,030
277
406
500
590
12,700
17,950
22,970
27,110
340
481
616
727
15,600
23,310
29,180
34,550
418
625
782
926
19,030
28,530
35,820
42,530
510
765
960
1140
30
40
50
60
80
2.1
2.8
3.4
4.1
5.5
2890
3530
4180
4820
6110
77.4
94.6
112
129
164
6640
8120
9600
11,090
14,050
178
218
257
297
377
11,540
14,120
16,700
19,280
24,440
309
378
448
517
655
24,800
30,350
35,890
41,440
52,540
665
813
962
1111
1408
31,110
38,100
44,100
51,090
65,080
834
1021
1182
1369
1744
40,950
50,100
59,260
68,420
86,740
1097
1343
1588
1834
2325
51,040
62,450
73,870
85,290
108,120
1368
1674
1980
2286
2898
100
125
150
175
6.9
8.6
10.3
12.1
7400
9020
10,630
12,240
198
242
285
328
17,020
20,730
24,440
28,150
456
556
655
754
29,600
36,050
42,500
48,950
793
966
1139
1312
63,630
77,500
91,360
1705
2077
2448
79,060
96,050
2119
2574
105,060 2816
5 to 16 psig /
0.34 to 1.1 bar
10 psig / 0.69 bar
±1% psia / bar
T13600T0012
Red
15
20
25
30
1.0
1.4
1.7
2.1
1580
2130
2540
2890
42.3
57.1
68.1
77.4
3280
4720
5710
6640
87.9
126
153
178
5690
8210
9930
11,540
152
220
266
309
11,640
17,000
20,790
24,150
312
456
557
647
12,640
20,380
24,570
29,540
339
546
658
792
17,470
25,940
32,220
37,900
468
695
863
1016
21,280
31,690
39,480
46,550
570
849
1058
1248
40
50
60
80
2.8
3.4
4.1
5.5
3530
4180
4820
6110
94.6
112
129
164
8120
9600
11,090
14,050
218
257
297
377
14,120
16,700
19,280
24,440
378
448
517
655
30,350
35,890
41,440
52,540
813
962
1111
1408
38,100
44,100
51,090
65,080
1021
1182
1369
1744
50,100
59,260
68,420
86,740
1343
1588
1834
2325
62,450
73,870
85,290
108,120
1674
1980
2286
2898
100
125
150
175
6.9
8.6
10.3
12.1
7400
9020
10,630
12,240
198
242
285
328
17,020
20,730
24,440
28,150
456
556
655
754
29,600
36,050
42,500
48,950
793
966
1139
1312
63,630
77,500
91,360
1705
2077
2448
79,060
96,050
2119
2574
105,060 2816
5 to 16 psig /
0.34 to 1.1 bar
15 psig / 1.0 ba
±1% psia / bar
T13600T0012
Red
20
25
30
40
1.4
1.7
2.1
2.8
1750
2360
2820
3530
46.9
63.2
75.6
94.6
3620
5220
6290
8120
97.0
140
169
218
6290
9070
10,940
14,120
169
243
293
378
12,830
18,700
22,790
29,650
344
501
611
795
15,830
22,040
27,870
36,530
424
591
747
979
19,190
28,360
35,050
46,610
514
760
939
1249
23,360
34,610
42,890
57,270
626
928
1149
1535
50
60
80
100
3.4
4.1
5.5
6.9
4180
4820
6110
7400
112
129
164
198
9600
11,090
14,050
17,020
257
297
377
456
16,700
19,280
24,440
29,600
448
517
655
793
35,890
41,440
52,540
63,630
962
1111
1408
1705
44,100
51,090
65,080
79,060
1182
1369
1744
2119
57,080
68,420
86,740
105,060
1530
1834
2325
2816
70,350
85,290
108,120
1885
2286
2898
125
150
175
8.6
10.3
12.1
9020
10,630
12,240
242
285
328
20,730
24,440
28,150
556
655
754
36,050
42,500
48,950
966
1139
1312
77,500
91,360
2077
2448
96,050 2574
14 to 35 psig /
0.97 to 2.4 bar
20 psig / 1.4 bar
±1% psia / bar
19B0432X012
Zinc
25
30
40
50
60
1.7
2.1
2.8
3.4
4.1
1920
2580
3480
4180
4820
51.4
69.1
93.3
112
129
3930
5680
7830
9600
11,090
105
152
210
257
297
6840
9870
13,610
16,700
19,280
183
265
365
448
517
13,930
20,280
28,440
35,140
41,440
373
544
762
942
1111
14,960
24,090
34,480
41,940
51,090
401
646
924
1124
1369
20,800
30,630
43,980
55,310
65,780
557
821
1179
1482
1763
25,310
37,340
53,880
67,980
81,060
80
100
125
150
175
5.5
6.9
8.6
10.3
12.1
6110
7400
9020
10,630
12,240
164
198
242
285
328
14,050
17,020
20,730
24,440
28,150
377
456
556
655
754
24,440
29,600
36,050
42,500
48,950
655
793
966
1139
1312
52,540
63,630
77,500
91,360
1408
1705
2077
2448
65,080
79,060
96,050
1744
2119
2574
86,740
105,060
2325
2816
108,120
1. Downstream piping may affect actual capacity. It may be necessary to use enlarged downstream piping to obtain published capacities.
- Blank areas indicate where maximum operating inlet pressure for a given orice size is exceeded.