Bulletin 74.1:Y690A
13
Table 10. Types Y690AH and Y690AHM Capacities (continued)
OUTLET
PRESSURE
RANGE,
CONTROL
SPRING PART
NUMBER,
AND COLOR
OFFSET
FROM
SETPOINT
OUTLET
PRESSURE
SETTING
INLET
PRESSURE,
PSIG (bar)
NPS 1 (DN 25) BODY SIZE
Capacities in SCFH (Nm
3
/h) of Nitrogen
Orice Size, Inches (mm)
1/8 (3,2) 1/4 (6,4) 3/8 (9,5) 1/2 (13) 9/16 (14)
1.2 to 2.5 psig
(83 mbar to
0,17 bar)
1B537127022
Light green
0.2 psig
(14 mbar)
1.2 psig
(83 mbar)
2 (0,14) 92 (2,5) 183 (4,9) 366 (9,8) 489 (13,1) 519 (13,9)
6 (0,41) 143 (3,8) 356 (9,5) 865 (23,2) 692 (18,6) 855 (22,9)
10 (0,69) 153 (4,1) 509 (13,6) 1110 (29,8) 1384 (37,1)
30 (2,1) 499 (13,4) 1262 (33,8) 3186 (85,4)
60 (4,1) 794 (21,3) 2840 (76,1) 6067 (163)
150 (10,3) 1924 (51,6) 3054 (81,9)
2.5 psig
(0,17 bar)
6 (0,41) 112 (3,0) 214 (5,7) 519 (13,9) 529 (14,2) 540 (14,5)
10 (0,69) 143 (3,8) 387 (10,4) 611 (16,4) 682 (18,3)
30 (2,1) 448 (12,0) 814 (21,8) 1812 (48,6)
60 (4,1) 672 (18,0) 1985 (53,2) 5813 (156)
150 (10,3) 1731 (46,4) 2749 (73,7)
2.5 to 4.5 psig
(0,17 to 0,31 bar)
1B537227022
Light blue
0.3 psig
(21 mbar)
2.5 psig
(0,17 bar)
4 (0,28) 112 (3,0) 153 (4,1) 326 (8,7) 336 (9,0) 377 (10,1)
8 (0,55) 143 (3,8) 285 (7,6) 560 (15,0) 580 (15,5) 713 (19,1)
12 (0,83) 153 (4,1) 387 (10,4) 733 (19,6) 753 (20,2)
30 (2,1) 336 (9,0) 713 (19,1) 1446 (38,8)
60 (4,1) 519 (13,9) 1374 (36,8) 3217 (86,2)
150 (10,3) 1588 (42,6) 5253 (141)
4.5 psig
(0,31 bar)
8 (0,55) 92 (2,5) 193 (5,2) 387 (10,4) 407 (10,9) 428 (11,5)
12 (0,83) 122 (3,3) 255 (6,8) 478 (12,8) 672 (18,0)
30 (2,1) 305 (8,2) 601 (16,1) 1069 (28,7)
60 (4,1) 499 (13,4) 967 (25,9) 2443 (65,5)
150 (10,3) 1099 (29,5) 3940 (106)
4.5 to 7 psig
(0,31 to 0,48 bar)
1B537327052
Black
0.7 psig
(48 mbar)
4.5 psig
(0,31 bar)
9 (0,62) 163 (4,4) 336 (9,0) 662 (17,7) 764 (20,5) 825 (22,1)
12 (0,83) 183 (4,9) 438 (11,7) 794 (21,4) 1018 (27,3)
30 (2,1) 407 (10,9) 865 (23,2) 1639 (43,9)
60 (4,1) 692 (18,6) 1619 (43,4) 2881 (77,2)
150 (10,3) 1629 (43,7) 4734 (127)
7 psig
(0,48 bar)
9 (0,62) 122 (3,3) 214 (5,7) 468 (12,5) 489 (13,1) 519 (13,9)
12 (0,83) 163 (4,4) 295 (7,9) 611 (16,4) 702 (18,8)
30 (2,1) 295 (7,9) 713 (19,1) 1303 (34,9)
60 (4,1) 631 (16,9) 1354 (36,3) 2179 (58,4)
150 (10,3) 1588 (42,6) 3268 (87,6)
- Shaded areas indicate inlet pressure is too high for orice size.
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