Data Sheet

Bulletin 71.2:627F
8
Table 8. Flow Capacities in SCFH / Nm
3
/hof0.6SpecicGravityNaturalGasat1%DroopinAbsoluteOutletPressureforNPS2/DN50
(Downstream Control Line in Body Size Piping)
Table 7. Flow Capacities in SCFH / Nm
3
/hof0.6SpecicGravityNaturalGasat1%DroopinAbsoluteOutletPressureforNPS1/DN25
(Downstream Control Line in Body Size Piping) (continued)
PILOT SPRING RANGE,
PART NUMBER, AND
COLOR CODE
OUTLET
PRESSURE
SETTING
INLET
PRESSURE
NPS 1 / DN 25 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
35 to 100 psig /
2.4 to 6.9 bar
1K748527202
Red
50 3.4
70
80
100
125
150
200
250
4.8
5.5
6.9
8.6
10.3
13.8
17.2
1130
1370
1770
2200
2590
3370
4170
30.3
36.7
47.4
59.0
69.4
90.3
112
4450
5420
7060
8940
10,400
13,500
16,900
119
145
189
240
279
362
453
9300
11,400
14,900
19,100
22,500
29,400
36,200
249
306
399
512
603
788
970
11,200
18,300
24,400
33,300
300
490
654
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
82.7
45.6
58.2
69.1
90.3
112
4790
6730
8700
10,300
13,500
16,900
128
180
233
276
362
453
10,000
14,200
18,400
22,500
29,400
36,200
268
381
493
603
788
970
12,900
22,900
30,300
346
614
812
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
12,300
16,900
20,300
29,400
36,200
330
453
544
788
970
18,000
28,100
482
753
100 6.9
125
150
200
250
8.6
10.3
13.8
17.2
1660
2360
3330
4170
44.5
63.3
89.2
112
6680
9320
13,400
16,900
179
250
359
453
13,900
20,000
28,300
36,200
373
536
758
970
19,400 520
–Maximumoperatinginletpressureisexceeded.
PILOT SPRING RANGE,
PART NUMBER, AND
COLOR CODE
OUTLET
PRESSURE
SETTING
INLET
PRESSURE
NPS 2 / DN 50 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
16,900
76.1
93.8
111
128
162
197
240
281
367
453
6150
7760
9180
10,600
13,400
16,300
19,800
23,400
30,000
30,000
165
208
246
284
359
437
531
627
804
804
10,100
13,800
16,300
18,800
23,800
28,900
30,000
271
370
437
504
638
775
804
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
162
197
240
281
367
453
5870
7760
9130
10,600
13,400
16,300
19,800
23,400
30,500
37,600
157
208
246
284
359
437
531
627
817
1008
9500
13,800
16,300
18,800
23,800
28,900
35,100
255
370
437
504
638
775
941
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
97.1
108
128
162
197
240
281
367
453
4750
6820
8570
10,600
13,400
16,300
19,800
23,400
30,500
37,600
127
183
230
284
359
437
531
627
817
1008
7000
10,900
13,900
18,800
23,800
28,900
35,100
188
292
373
410
638
775
941
–Maximumoperatinginletpressureisexceeded.
- continued -