Data Sheet

Bulletin 71.2:299H
17
- continued -
Table 7. Types 299H and 299HR Flow Capacities
(1)
for NPS 2 / DN 50 Internal Registration
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, Inch / mm
1/4 x 3/8 / 6.4 x 9.5 3/8 / 9.5 1/2 / 13 3/4 / 19 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
3.5 to 6-inches w.c. /
9 to 15 mbar
3.5-inches w.c. / 9 mbar
-1 to 2-inches w.c. /
-2 to 5 mbar
T13707T0012
Black
2
5
10
15
0.14
0.34
0.69
1.0
760
1200
1700
2000
20.4
32.2
45.6
53.6
1560
2600
3800
4600
41.8
69.7
102
123
2700
4500
6500
8000
72.4
121
174
214
4050
8600
9500
10,600
109
230
255
284
5740
11,500
14,750
18,000
154
308
395
482
6350
12,000
17,000
15,500
170
322
456
415
20
25
30
40
1.4
1.7
2.1
2.8
2350
2700
3030
3700
63.0
72.4
81.2
99.2
5300
6000
6730
8200
142
161
180
220
9250
10,500
11,500
13,500
248
281
308
362
11,400
12,200
14,630
19,500
306
327
392
523
19,700
20,400
21,100
20,400
528
547
565
547
16,000
17,300
18,600
21,800
429
464
498
584
50
60
80
100
3.4
4.1
5.5
6.9
4400
5100
4700
4300
118
137
126
115
9700
11,200
7500
3800
260
300
201
102
17,000
20,500
12,750
5000
456
549
342
134
20,000
20,500
19,600
18,700
536
549
525
501
19,700
14,833
5100
3500
528
398
137
93.8
25,000
12,500
12,000
670
335
322
125
150
175
8.6
10.3
12.1
4300
4300
4300
115
115
115
4000
4000
4000
107
107
107
5500
6000
6500
147
161
174
11,150
3600
299
96.5
5 to 9-inches w.c. /
12 to 22 mbar
7-inches w.c. / 17 mbar
-1 to 2-inches w.c. /
-2 to 5 mbar
T13589T0012
Yellow
2
5
10
15
0.14
0.34
0.69
1.0
750
1300
1600
2000
20.1
34.8
42.9
53.6
1520
2600
3800
4400
40.7
69.7
102
118
2650
4250
6500
8000
71.0
114
174
214
5380
8500
12,500
10,500
144
228
335
281
6260
10,500
14,350
18,200
168
281
385
488
6680
10,000
17,000
16,000
179
268
456
429
20
25
30
40
1.4
1.7
2.1
2.8
2300
2600
2970
3700
61.6
69.7
79.6
99.2
5100
5800
6600
8200
137
155
177
220
9500
11,000
11,170
11,500
255
295
299
308
11,500
12,500
16,830
25,500
308
335
451
683
20,600
20,500
20,400
20,200
552
549
547
541
16,000
17,750
19,500
20,200
429
476
523
541
50
60
80
100
3.4
4.1
5.5
6.9
4400
5100
4850
4600
118
137
130
123
9700
11,200
7350
3500
260
300
197
93.8
15,750
20,000
12,380
4750
422
536
332
127
22,500
19,500
4500
4500
603
523
121
121
20,000
14,800
4400
2800
536
397
118
75.0
20,900
12,500
12,500
560
335
335
125
150
175
8.6
10.3
12.1
4600
4600
4600
123
123
123
4000
4560
5120
107
122
137
5250
5750
6500
141
154
174
4500
4500
121
121
7 to 20-inches w.c. /
17 to 50 mbar
14-inches w.c. / 35 mbar
±2-inches w.c. / ±5 mbar
1N3112X0012
Unpainted
2
5
10
15
0.14
0.34
0.69
1.0
700
1100
1700
1900
18.8
29.5
45.6
50.9
1430
2200
3600
4600
38.3
59.0
96.5
123
2480
4000
6500
8000
66.5
107
174
214
5040
8500
12,500
11,500
135
228
335
308
7440
11,800
15,850
19,900
199
316
425
533
8460
12,400
17,000
17,000
227
332
456
456
20
25
30
40
1.4
1.7
2.1
2.8
2150
2400
2740
3400
57.6
64.3
73.4
91.1
5300
6000
6740
8200
142
161
181
220
8500
9000
10,000
12,000
228
241
268
322
12,500
13,250
14,000
19,500
335
355
375
523
21,000
21,150
21,300
21,150
563
567
571
567
19,100
19,750
20,400
21,650
512
529
547
580
50
60
80
100
3.4
4.1
5.5
6.9
4250
5100
5250
5400
114
137
141
145
9700
11,200
8200
5200
260
300
220
139
13,500
15,000
10,000
5000
362
402
268
134
25,000
22,050
5620
6000
670
591
151
161
21,000
16,330
7000
8300
563
438
188
222
22,900
14,100
12,400
614
378
332
125
150
175
8.6
10.3
12.1
5400
5900
6400
145
158
172
5000
5700
6400
134
153
172
6000
7000
7000
161
188
188
6000
6000
161
161
16 to 40-inches w.c. /
40 to 99 mbar
28-inches w.c. / 70 mbar
±4-inches w.c. / ±10 mbar
1B413727222
Purple
5
10
15
20
0.34
0.69
1.0
1.4
1200
1600
2000
2300
32.2
42.9
53.6
61.6
2400
3700
4400
5100
64.3
99.2
118
137
4000
6500
8000
9250
107
174
214
248
7500
11,750
16,000
19,000
201
315
429
509
9500
14,850
20,200
24,500
255
398
541
657
11,400
16,850
22,300
21,800
306
452
598
584
25
30
40
50
60
1.7
2.1
2.8
3.4
4.1
2600
2800
3200
4100
5000
69.7
75.0
85.8
110
134
5800
6600
8200
9750
11,300
155
177
220
261
303
10,500
11,830
14,500
16,500
18,500
281
317
389
442
496
21,750
24,500
26,750
29,000
24,170
583
657
717
777
648
25,600
25,230
24,500
24,000
23,500
686
676
657
643
630
23,900
24,130
24,600
26,000
27,200
641
647
659
697
729
80
100
125
150
175
5.5
6.9
8.6
10.3
12.1
6300
7600
9200
10,700
12,200
169
204
247
287
327
9150
7000
7000
9300
11,600
245
188
188
249
311
12,880
7250
7380
7500
15,250
345
194
198
201
409
14,500
14,500
14,500
15,500
389
389
389
415
24,500
22,400
657
600
30,000 804
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.