Data Sheet
Bulletin 71.1:Y690A
7
Table 7. Types Y690AH and Y690AHM Capacities
OUTLET
PRESSURE RANGE,
CONTROL SPRING
PART NUMBER,
AND COLOR
OFFSET
FROM
SETPOINT
OUTLET
PRESSURE
SETTING
INLET
PRESSURE
NPS 3/4 / DN 20 BODY SIZE
Capacities in SCFH / Nm
3
/h of 0.6 Specic Gravity Natural Gas
Orice Size
psig bar
1/8 Inches /
3.2 mm
1/4 Inches /
6.4 mm
3/8 Inches /
9.5 mm
1/2 Inches /
13 mm
9/16 Inches /
14 mm
5 to 10-inches w.c. /
12 to 25 mbar
1B653827052
Red
1-inch w.c. /
2.5 mbar
7-inches w.c. /
17 mbar
1 0.07 90 / 2.4 232 / 6.2 245 / 6.6 413 / 11.1 439 / 11.8
5 0.34 219 / 5.9 452 / 12.1 490 / 13.1 516 / 13.8 968 / 25.9
8 0.55 232 / 6.2 529 / 14.1 542 / 14.5 593 / 15.9
20 1.4 516 / 13.8 619 / 16.6 645 / 17.2
35 2.4 658 / 17.6 839 / 22.5 903 / 24.2
75 5.2 774 / 20.7 955 / 25.6
150 10.3 1677 / 44.9
7 to 16-inches w.c. /
17 to 40 mbar
1B653927022
Olive drab
1-inch w.c. /
2.5 mbar
11-inches w.c. /
27 mbar
1 0.069 90 / 2.4 155 / 4.1 194 / 5.2 232 / 6.2 245 / 6.6
5 0.34 155 / 4.1 284 / 7.6 348 / 9.3 529 / 14.2 748 / 20.4
8 0.55 168 / 4.5 426 / 11.4 452 / 12.1 542 / 14.0
20 1.4 348 / 9.3 593 / 16.0 606 / 16.2
35 2.4 516 / 13.8 619 / 16.6 645 / 17.3
75 5.2 645 / 17.3 942 / 25.2
150 10.3 1677 / 44.9
15-inches w.c.
to 1.2 psig /
37 to 83 mbar
1B537027052
Yellow
5.5-inches w.c. /
14 mbar
15-inches w.c. /
37 mbar
2 0.14 90 / 2.4 503 / 13.5 903 / 24.2 1097 / 29.4 1148 / 30.8
6 0.41 245 / 6.6 929 / 24.9 1638 / 43.9 2103 / 56.4
10 0.69 335 / 9.0 1380 / 37.0 1935 / 51.9
30 2.1 684 / 18.3 2387 / 64.0 2451 / 65.7
60 4.1 1161 / 31.1 3483 / 93.3
150 10.3 2567 / 68.8
1.2 psig /
83 mbar
2 0.14 90 / 2.4 413 / 11.1 606 / 16.2 813 / 21.8 697 / 18.7
6 0.41 245 / 6.6 697 / 18.7 1290 / 34.6 1419 / 38.0
10 0.69 310 / 8.3 1019 / 27.3 1419 / 38.0
30 2.1 671 / 18.0 2064 / 55.3 2425 / 65.0
60 4.1 1135 / 30.4 3354 / 90.0
150 10.3 2477 / 66.4
1.2 to 2.5 psig /
83 to 172 mbar
1B537127022
Light green
0.2 psig /
14 mbar
1.2 psig /
83 mbar
2 0.14 116 / 3.1 219 / 5.9 348 / 9.3 490 / 13.1 516 / 13.8
6 0.41 181 / 4.8 452 / 12.1 735 / 19.7 851 / 22.8 1071 / 28.7
10 0.69 194 / 5.2 593 / 15.9 1006 / 27.0 1174 / 31.5
30 2.1 555 / 14.9 1548 / 41.5 1716 / 46.0
60 4.1 864 / 23.2 2477 / 66.4 2335 / 62.6
150 10.3 1987 / 53.3 5108 / 137
2.5 psig /
172 mbar
6 0.41 129 / 3.5 258 / 6.9 452 / 12.1 593 / 15.9 684 / 18.3
10 0.69 168 / 4.5 490 / 13.1 568 / 15.2 864 / 23.2
30 2.1 426 / 11.4 980 / 26.3 1032 / 27.7
60 4.1 748 / 20.0 1935 / 51.9 2245 / 60.2
150 10.3 1484 / 39.8 3354 / 89.9
- Shaded areas indicate inlet pressure is too high for orice size.
- continued -










