Engineering Data | HiRAM ® High Velocity
Main Air Pressure, osi/"w.c./mbar
4575-14
0.2 0.3 0.9
1
4
9
16
osi "w.c. mbar
1.7
6.9 17.2
15.6
27.7
with standard HV tile
4.3
39
69
Main Air Flow, not burning, scfh (Nm 3 /h) Main Air Flow, burning, stoich., scfh Main Air Flow, burning, stoich, Nm 3 /h Gas Pressure, stoich, "w.c. (mbar) Tile Pressure, stoich., "w.c. (mbar) Maximum %XSAir with flame signal (UV)
—
—
—
—
388 000 (10 371)
39 500
68 500
125 700 (3360) 3.6 (9.0) 2.1 (5.2)
186 000
251 400
(1056)
(1831)
(4972)
(6720)
0.17 (.43)
0.9 (2.2)
8.3 (20.7) 4.0 (9.9)
13.8 (34.5) 6.2 (15.5)
—
—
1500
1500
1500
1500
1250
Maximum %XSFuel
15
15
15
15
15
Maximum %XSAir, ignition--pilot
750 500
1000
— —
— —
— —
Maximum %XSAir, ignition--direct spark
500
Flame Length, stoich., ft. (Meter) Flame Diameter, stoich., in. (mm)
8 (12.4) 30 (762)
10 (3.0) 36 (914)
13 (4.0) 36 (914)
16 (4.9) 36 (914)
18 (5.5)
42 (1067)
Medium velocity 4575 burners operate at reduced air pressures compared to the high velocity versions listed above.
MEDIUM VELOCITY
Main Air Pressure, osi/"w.c./mbar
4575-8-B
0.2 0.3 0.9
1
4
9
16
osi "w.c. mbar
1.7
6.9 17.2
15.6
27.7
with MV tile
4.3
39
69
Main Air Flow, not burning, scfh (Nm 3 /h) Main Air Flow, burning, stoich., scfh Main Air Flow, burning, stoich, Nm 3 /h Gas Pressure, stoich, "w.c. (mbar) Gas Pressure, 10% excess air, "w.c. (mbar) Maximum %XSAir with flame signal (UV)
—
—
—
—
104 000 (2780)
8550 (229)
21 400
44 300
68 900
92 000 (2459)
(572)
(1184)
(1842)
0.1 (.25) 0.1 (.25)
0.6 (1.5) 0.6 (1.5)
2.7 (6.7) 2.4 (6.0)
6.1 (15.2) 5.8 (14.4)
11.0 (27.4) 9.9 (24.7)
350
900
1000
800
700
Maximum %XSFuel
30
30
30
30 — —
30 — —
Maximum %XSAir, ignition--pilot
350 350
900 900
1000 1000
Maximum %XSAir, ignition--direct spark
Flame Length, stoich., ft. (Meter) Flame Diameter, stoich., in. (mm)
5.0 (1.5) 24 (610)
6.0 (1.8) 40 (1016)
8.6 (2.6) 32 (813)
8 (2.4)
9.0 (2.7) 36 (914)
36 (914)
Bulletin 4575 Page 9
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