Engineering Data | HiRAM ® High Velocity
Main Air Pressure, osi/"w.c./mbar
4575-10-A
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)
—
—
—
—
145 000 (3876)
10 600
23 800
47 600
72 500 (1938)
101 000
(283)
(636)
(1272)
(2700)
.35 (.86) .17 (.43)
1.0 (2.6) .9 (2.2)
3.6 (9.0) 3.3 (8.2)
8.0 (19.8) 7.1 (17.7)
13.7 (34)
12.3 (30.6)
500
675
850
800
900
Maximum %XSFuel
30
30
30
30
30
Maximum %XSAir, ignition--pilot
500 300
675 675
850 850
800 800
900 900
Maximum %XSAir, ignition--direct spark
Flame Length, stoich., ft. (Meter) Flame Diameter, stoich., in. (mm)
4 (1.2)
5 (1.5)
6 (1.8)
7 (2.1)
8 (2.4)
8 (203)
9 (229)
12 (305)
14 (356)
16 (406)
Main Air Pressure, osi/"w.c./mbar
4575-10-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 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)
—
—
—
—
177 000 (4731)
12 500
28 000
57 500
85 000
119 000
(334)
(748)
(1537)
(2272)
(3181)
.35 (.86) .35 (.86)
1.0 (2.6) 1.0 (2.6)
4.2 (10.3) 4.0 (9.9)
9.2 (22.8) 8.7 (21.5)
15.9 (39.6) 14.9 (37.1)
1300
1100
1500
1300
1200
Maximum %XSFuel
25
25
25
25
25
Maximum %XSAir, ignition--pilot
1300 1300
1100 1100
1500 1500
1300 1300
1200 1200
Maximum %XSAir, ignition--direct spark
Flame Length, stoich., ft. (Meter) Flame Diameter, stoich., in. (mm)
6 (1.8)
7.5 (2.3) 24 (610)
6.5 (2.0) 24 (610)
7.5 (2.3) 24 (610)
10 (3.0) 30 (762)
18 (457)
Main Air Pressure, osi/"w.c./mbar
4575-12
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)
—
—
—
—
199 000 (5319)
9100
42 700
81 500
118 000
164 000
(511)
(1141)
(2178)
(3154)
(4384)
.17 (.43) .17 (.43)
1.6 (3.9) .9 (2.2)
5.2 (12.9) 2.4 (6.0)
10.9 (27.1) 5.2 (12.9)
19.2 (47.8) 8.7 (21.5)
800
1500
1500
1200
1000
Maximum %XSFuel
30
30
30
30
30 — —
Maximum %XSAir, ignition--pilot
300
700 400
1000
1000
Maximum %XSAir, ignition--direct spark
x500
300
—
Flame Length, stoich., ft. (Meter) Flame Diameter, stoich., in. (mm)
6 (1.8)
7 (2.1)
8 (2.4)
8.5 (2.6) 18 (457)
10 (3.0) 18 (457)
14 (356)
14 (356)
16 (406)
Medium velocity 4575 burners operate at reduced air pressures compared to the high velocity versions listed above.
Bulletin 4575 Page 8
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