Combustion Catalog | Fives North American

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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