Data Sheet

Bulletin 71.2:299H
23
OUTLET PRESSURE
RANGE AND SETTING,
CONTROL 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
psig bar 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
25
0.34
0.69
1.0
1.4
1.7
1020
1550
1920
2240
2570
27.3
41.5
51.5
60.0
68.9
2900
3600
4300
5000
5550
77.7
96.5
115
134
149
4000
5500
7500
8500
10,000
107
147
201
228
268
5660
7840
10,210
12,100
11,880
152
210
273
324
318
30
40
50
60
80
2.1
2.8
3.4
4.1
5.5
2890
3530
4180
4820
6110
77.5
94.6
112
129
164
6100
7750
9400
10,530
8580
163
208
252
282
230
11,000
14,000
14,380
15,510
12,000
295
375
385
416
322
12,800
13,960
10,940
9810
3700
343
374
293
263
99.2
100
125
150
175
6.9
8.6
10.3
12.1
6850
7070
7300
4560
184
189
196
122
3290
3050
3200
5540
88.2
81.7
85.8
148
1130
2220
2090
2090
30.3
59.5
56.0
56.0
2910
2910
2910
78.0
78.0
78.0
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
37.3
50.1
60.0
68.9
2800
3750
4700
5700
75.0
101
126
153
5000
7000
8500
9500
134
188
228
255
6540
9680
11,480
12,420
175
259
308
333
30
40
50
60
80
2.1
2.8
3.4
4.1
5.5
2890
3530
4180
4790
5740
77.5
94.6
112
128
154
6430
7900
9300
10,700
13,350
172
212
249
287
358
11,000
13,000
16,000
15,200
13,170
295
348
429
407
353
13,050
15,780
15,110
10,710
8670
350
423
405
287
232
100
125
150
175
6.9
8.6
10.3
12.1
6680
7170
7650
4400
179
192
205
118
16,000
4740
3530
3530
429
127
94.6
94.6
2430
1700
1910
3050
65.1
45.6
51.2
81.7
8670
7300
6470
232
196
173
5 to 16 psig /
0.34 to 1.1 bar
10 psig / 0.69 bar
±1% psia / bar
T13600T0012
Red
15
20
25
1.0
1.4
1.7
1800
2200
2600
48.2
59.0
69.7
3200
4300
5400
85.8
115
145
4000
12,000
9000
107
322
241
7250
9870
12,240
194
265
328
30
40
50
60
80
2.1
2.8
3.4
4.1
5.5
3000
3650
4300
4950
6250
80.4
97.8
115
133
168
6600
7800
9000
10,460
13,400
177
209
241
280
359
10,000
13,000
16,000
16,050
15,950
268
348
429
430
427
13,490
17,230
18,520
20,460
10,780
362
462
496
548
289
100
125
150
175
6.9
8.6
10.3
12.1
7600
9300
6320
5810
204
249
169
156
16,110
19,500
4960
3270
432
553
133
87.6
15,030
16,250
1970
1970
403
436
52.8
52.8
11,250
11,250
6590
302
302
177
5 to 16 psig /
0.34 to 1.1 bar
15 psig / 1.0 bar
±1% psia / bar
T13600T0012
Red
20
25
30
1.4
1.7
2.1
1900
2450
3000
50.9
65.7
80.4
3400
4550
5700
91.1
122
153
6000
8000
10,000
161
214
268
8860
10,900
13,870
237
292
372
40
50
60
80
2.8
3.4
4.1
5.5
3700
4320
4950
6200
99.2
116
133
166
7600
8900
10,330
13,200
204
239
277
354
13,000
15,000
16,900
18,730
348
402
453
502
19,100
20,300
20,660
21,940
512
544
554
588
100
125
150
175
6.9
8.6
10.3
12.1
7350
8800
10,220
7300
197
236
274
196
16,000
19,500
22,950
6500
429
523
615
174
21,260
23,920
25,900
5910
570
641
694
158
16,310
13,970
10,600
437
374
284
1. Capacities are limited to 15,000 SCFH / 402 Nm³/h when the Type VSX-2 is used without a control line.
2. Due to slam-shut properties, capacities cannot be calculated with critical ow equation.
- Blank areas indicate where maximum operating inlet pressure for a given orice size is exceeded.
Table 9. Types 299HS and 299HSR Flow Capacities
(1)(2)
for 1-1/2 NPT and NPS 2 / DN 50 Internal Registration (continued)