Combustion Catalog | Fives North American

Engineering Data | HiRAM ® High Velocity

Main Air Pressure, osi/"w.c./mbar

4575-8-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)

54 000 (1443)

4400

9400

19 600

31 000

41 500

(118)

(251)

(524)

(829)

(1109)

.17 (.43) .17 (.43)

0.9 (2.2) 0.9 (2.2)

3.3 (8.2) 3.1 (7.8)

7.3 (18.1) 6.9 (17.2)

12.8 (31.9) 12.3 (30.6)

200

325

400

400

350

Maximum %XSFuel

30

30

30

30

30

Maximum %XSAir, ignition--pilot

200

325 325

400 250

400 250

350 300

Maximum %XSAir, ignition--direct spark

125

Flame Length, stoich., ft. (Meter) Flame Diameter, stoich., in. (mm)

3 (0.9) 9 (229)

3.5 (1.1) 12 (305)

4 (1.2)

4.5 (1.4) 12 (305)

5 (1.5)

12 (305)

18 (457)

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 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)

81 000 (2165)

5250 (140)

13 300

29 500

43 600

62 000

(356)

(789)

(1165)

(1657)

.24 (.60) .17 (.43)

1.3 (3.2) 0.9 (2.2)

5.0 (12.5) 3.3 (8.2)

10.9 (27.1)

18.5 (46.1) 12.1 (30.2)

7.1 (17.7)

425

650

500

500

750

Maximum %XSFuel

30

30

30

30

30

Maximum %XSAir, ignition--pilot

425 200

650 200

500 200

300

— —

Maximum %XSAir, ignition--direct spark

Flame Length, stoich., ft. (Meter) Flame Diameter, stoich., in. (mm)

3.5 (1.1) 10 (254)

4 (1.2)

4.5 (1.4) 16 (406)

5 (1.5)

6 (1.8)

12 (305)

18 (457)

20 (508)

Main Air Pressure, osi/"w.c./mbar

4575-9

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)

116 800 (3122)

8900 (238)

20 600

43 400

67 000

89 000

(551)

(1160)

(1791)

(2379)

.17 (.43) .17 (.43)

1.2 (3.0)

4.3 (10.8) 2.6 (6.5)

10.4 (25.9) 5.7 (14.2)

19.2 (47.8) 10.0 (25)

.7 (1.7)

450

800

900

900

1200

Maximum %XSFuel

30

30

30

30 — —

30

Maximum %XSAir, ignition--pilot

500 400

800 400

800 500

— —

Maximum %XSAir, ignition--direct spark

Flame Length, stoich., ft. (Meter) Flame Diameter, stoich., in. (mm)

4.5 (1.4) 12 (305)

6 (1.8)

6.5 (2.0) 18 (457)

7 (2.1)

8 (2.4)

18 (457)

18 (457)

24 (610)

Medium velocity 4575 burners operate at reduced air pressures compared to the high velocity versions listed above.

Bulletin 4575 Page 7

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