Data Sheet

Bulletin 71.2:627F
6
Table 6. Flow Capacities in SCFH / Nm
3
/hof0.6SpecicGravityNaturalGasat1%DroopinAbsoluteOutletPressurefor3/4NPT
(Downstream Control Line in Body Size Piping)
- continued -
PILOT SPRING RANGE,
PART NUMBER, AND
COLOR CODE
OUTLET
PRESSURE
SETTING
INLET
PRESSURE
3/4 NPT BODY SIZE
Orice Diameter, Inches / mm
psig bar psig bar 3/8 x 1/8 / 9.5 x 3.2 3/8 x 1/4 / 9.5 x 6.4 3/8 / 9.5 1/2 / 13
5 to 35 psig /
0.34 to 2.4 bar
1B788327022
Silver
5 0.34
30
40
50
60
80
100
125
150
200
250
2.1
2.8
3.5
4.1
5.5
6.9
8.6
10.3
13.8
17.2
700
860
1020
1170
1490
1800
2200
2580
3370
4170
18.8
23.1
27.3
31.4
39.9
48.2
59.0
69.1
90.3
112
2840
3500
4140
4780
6060
7340
8940
10,500
13,700
15,500
76.1
93.8
111
128
162
197
240
281
367
415
5780
7480
8850
10,200
12,900
15,000
15,500
15,500
15,500
15,500
155
200
237
273
346
415
415
415
415
415
9730
13,100
15,400
15,500
15,500
15,500
15,500
261
351
413
415
415
415
415
10 0.69
30
40
50
60
80
100
125
150
200
250
2.1
2.8
3.5
4.1
5.5
6.9
8.6
10.3
13.8
17.2
690
860
1020
1170
1490
1800
2200
2580
3370
4170
18.5
23.1
27.3
31.4
39.9
48.2
59.0
69.1
90.3
112
2760
3500
4140
4780
6060
7340
8940
10,500
13,700
16,900
74.0
93.8
111
128
192
197
240
281
367
453
5480
7480
8850
10,200
12,900
15,700
17,500
19,500
19,500
19,500
147
200
237
273
346
421
469
523
523
523
8500
13,100
15,400
17,800
19,500
19,500
19,500
228
351
413
477
523
523
523
20 1.4
30
40
50
60
80
100
125
150
200
250
2.1
2.8
3.5
4.1
5.5
6.9
8.6
10.3
13.8
17.2
590
820
1000
1170
1490
1800
2200
2580
3370
4170
15.8
22.0
26.8
31.4
39.9
48.2
59.0
69.1
90.3
112
2310
3250
4030
4780
6060
7340
8940
10,500
13,700
16,900
61.9
87.1
108
128
162
197
240
281
367
453
4360
6320
8010
10,200
12,900
15,700
19,100
22,500
28,000
28,000
117
169
215
273
346
421
512
603
750
750
6000
10,000
13,400
17,800
22,600
24,000
28,000
161
268
359
477
606
634
750
30 2.1
50
60
80
100
125
150
200
250
3.5
4.1
5.5
6.9
8.6
10.3
13.8
17.2
930
1140
1490
1800
2200
2580
3370
4170
24.9
30.6
39.9
48.2
59.0
69.1
90.3
112
3680
4530
6060
7340
8940
10,500
13,700
16,900
98.6
121
162
197
240
281
367
453
7090
8880
12,900
15,700
19,100
22,500
28,000
28,000
190
238
346
421
512
603
750
750
11,000
14,800
22,600
27,400
33,300
295
397
606
734
892
35 to 100 psig /
2.4 to 6.9 bar
1K748527202
Red
40 2.8
60
80
100
125
150
200
250
4.1
5.5
6.9
8.6
10.3
13.8
17.2
1030
1450
1790
2200
2580
3370
4170
27.6
38.9
48.0
59.0
69.1
90.3
112
4070
5790
7340
8940
10,400
13,500
16,900
109
155
197
240
279
362
453
7770
11,400
15,700
19,100
20,000
20,000
20,000
208
306
421
512
536
536
536
10,400
19,000
27,400
33,300
279
509
734
892
50 3.5
60
70
80
100
125
150
200
250
4.1
4.8
5.5
6.9
8.6
10.3
13.8
17.2
820
1130
1370
1770
2200
2590
3370
4170
22.0
30.3
36.7
47.4
59.0
69.4
90.3
112
3210
4450
5420
7060
8940
10,400
13,500
16,900
86.0
119
145
189
240
279
362
453
5970
8430
10,500
14,000
19,100
22,500
29,000
29,000
160
226
281
375
512
603
777
777
7500
10,600
17,000
23,300
33,300
201
284
456
624
892
60 4.1
80
100
125
150
200
250
5.5
6.9
8.6
10.3
13.8
17.2
1220
1700
2170
2580
3370
4170
32.7
45.6
58.2
69.1
90.3
112
4790
6730
8700
10,300
13,500
16,900
128
180
233
276
362
453
9050
13,100
17,300
22,500
29,400
32,000
243
351
464
603
788
858
12,000
21,600
28,400
322
579
761
75 5.2
100
125
150
200
250
6.9
8.6
10.3
13.8
17.2
1490
2080
2550
3370
4170
39.9
55.7
68.3
90.3
112
5870
8250
10,200
13,500
16,900
157
221
273
362
453
11,100
16,000
20,300
29,400
36,200
297
429
544
788
970
17,000
26,600
456
713
–Maximumoperatinginletpressureisexceeded.