Combustion Catalog | Fives North American

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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