Data Sheet

Bulletin 71.2:299H
25
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
2670
27.3
41.5
51.5
60.0
71.6
2900
3600
4300
5000
5550
77.7
96.5
115
134
149
4000
5500
7500
8500
10,000
107
147
201
228
268
6000
10,500
14,500
18,000
20,000
161
281
389
482
536
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
10,730
13,400
163
208
252
288
359
11,000
14,000
16,000
19,000
24,000
295
375
429
509
643
24,000
28,000
23,000
18,000
8000
643
750
616
482
214
100
125
150
175
6.9
8.6
10.3
12.1
6850
7070
7300
7300
184
189
196
196
10,770
7500
7500
7500
289
201
201
201
6500
7500
7500
7500
174
201
201
201
8000
8000
9500
214
214
255
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
8000
13,000
17,000
20,000
214
348
456
536
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
18,000
23,000
295
348
429
482
616
23,000
29,000
30,000
20,000
20,000
616
777
804
536
536
100
125
150
175
6.9
8.6
10.3
12.1
6680
7170
7650
7650
179
192
205
205
16,000
12,800
9600
9600
429
343
257
257
8000
8000
8000
8000
214
214
214
214
20,000
20,000
20,000
536
536
536
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
1800
2200
2600
3000
48.2
59.0
69.7
80.4
3200
4300
5400
6600
85.8
115
145
177
4000
12,000
9000
10,000
107
322
241
268
8500
14,000
19,000
22,000
228
375
509
590
40
50
60
80
2.8
3.4
4.1
5.5
3650
4300
4950
6250
97.8
115
133
168
7800
9000
10,460
13,400
209
241
280
359
13,000
16,000
18,000
23,000
348
429
482
616
28,000
34,000
39,000
25,000
750
911
1045
670
100
125
150
175
6.9
8.6
10.3
12.1
7600
9300
9900
10,500
204
249
265
281
16,110
19,500
15,050
10,600
432
523
403
284
29,000
35,000
10,000
10,000
777
938
268
268
25,000
25,000
25,000
670
670
670
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
10,000
15,000
20,000
268
402
536
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
18,000
23,000
348
402
482
616
28,000
35,000
40,000
51,000
750
938
1072
1367
100
125
150
175
6.9
8.6
10.3
12.1
7350
8800
10,220
11,650
197
236
274
312
16,000
19,500
22,950
26,400
429
523
615
708
29,000
36,000
40,000
40,000
777
965
1072
1072
35,000
30,000
30,000
938
804
804
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 10. Types 299HS and 299HSR Flow Capacities
(1)(2)
for 2 NPT Internal Registration (continued)