Data Sheet

Bulletin 71.2:299H
15
- continued -
Table 6. Types 299H and 299HR Flow Capacities
(1)
for 1-1/2 NPT Internal 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, 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
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
5840
7580
8960
97.5
157
203
240
7020
8990
11,260
12,950
188
241
302
347
10,790
12,180
13,580
13,630
289
326
364
365
10,820
11,180
11,960
12,750
290
300
321
342
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
10,890
158
178
218
257
292
10,250
11,540
14,120
15,010
15,740
275
309
378
402
422
13,090
14,830
13,500
13,780
14,050
351
397
362
369
377
13,890
13,740
13,470
13,970
14,080
372
368
361
374
377
13,370
14,000
15,250
12,500
12,300
358
375
409
335
330
80
100
125
150
175
5.5
6.9
8.6
10.3
12.1
6110
7400
8170
8450
7750
164
198
219
226
208
9000
5200
5040
5870
5250
241
139
135
157
141
12,230
5200
5200
5200
5730
328
139
139
139
154
11,100
5200
5200
5600
297
139
139
150
12,750
6400
342
172
10,500 281
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
8470
11,290
12,590
13,210
227
303
337
354
12,010
14,300
13,820
14,500
322
383
370
389
12,190
12,400
13,260
14,310
327
332
355
384
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
16,290
14,000
309
378
448
437
375
13,820
15,060
15,400
15,750
13,620
370
404
413
422
365
15,290
15,650
16,010
16,370
14,000
410
419
429
439
375
15,370
16,630
14,000
13,250
14,000
412
446
375
355
375
100
125
150
175
6.9
8.6
10.3
12.1
7400
9020
10,630
6800
198
242
285
182
17,020
7690
6330
6050
456
206
170
162
9020
7690
6360
8200
242
206
170
220
9610
7890
5500
258
211
147
14,000 375
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
5740
6580
87.9
126
154
176
5690
8210
9940
11,440
152
220
266
307
9930
11,990
13,400
14,810
266
321
359
397
13,230
14,130
15,990
17,850
355
379
429
478
13,570
14,100
15,870
17,640
364
378
425
473
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
17,200
16,950
378
448
461
454
17,640
18,110
18,580
17,810
473
485
498
477
18,630
19,400
20,170
15,750
499
520
541
422
18,920
16,400
16,600
17,600
507
440
445
472
100
125
150
175
6.9
8.6
10.3
12.1
7400
9020
6790
6200
198
242
182
166
17,020
20,730
6790
5600
456
556
182
150
15,350
16,740
6830
5700
411
449
183
153
15,900
16,270
5800
426
436
155
15,950 427
5 to 16 psig /
0.34 to 1.1 bar
15 psig / 1.0 bar
±1% psia / bar
T13600T0012
Red
20
25
30
40
1.4
1.7
2.1
2.8
1750
2360
2820
3540
46.9
63.2
75.6
94.9
3620
5220
6290
8070
97.0
140
169
216
6290
9070
10,940
14,020
169
243
293
376
11,380
13,590
15,810
20,230
305
364
424
542
114,450
17,440
20,430
21,610
3067
467
548
579
14,980
17,430
19,910
21,220
401
467
534
569
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
18,110
19,910
21,710
448
485
534
582
20,820
21,410
22,000
22,600
558
574
590
606
22,800
23,890
19,500
22,200
611
640
523
595
20,500
21,600
19,900
549
579
533
125
150
175
8.6
10.3
12.1
9020
10,630
7400
242
285
198
20,730
24,440
6750
556
655
181
23,960
26,210
7100
642
702
190
23,190
21,200
621
568
14 to 35 psig /
0.97 to 2.4 bar
20 psig / 1.4 bar
±1% psia / bar
19B0432X012
Zinc
25
30
40
50
1.7
2.1
2.8
3.4
1920
2580
3480
4180
51.4
69.1
93.3
112
3930
5690
7830
9550
105
152
210
256
6840
9870
13,610
16,610
183
265
365
445
12,840
15,200
22,820
20,950
344
407
612
561
15,670
20,740
24,600
23,620
420
556
659
633
16,320
20,760
23,510
22,200
437
556
630
595
60
80
100
4.1
5.5
6.9
4820
6110
7400
129
164
198
11,090
14,050
17,020
297
377
456
18,080
20,980
23,680
485
562
635
23,330
25,120
26,930
625
673
722
26,120
24,500
26,200
700
657
702
25,000
24,900
670
667
125
150
175
8.6
10.3
12.1
9020
10,630
7500
242
285
201
20,730
24,440
8200
556
655
220
26,980
30,280
8600
723
812
230
28,020
21,600
751
579
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.