Combustion Catalog | Fives North American

Product Overview | Tempest ® III High Velocity

TEMPEST III BURNERS FEATURE:

USEFUL CAPACITY RANGES —Ratings from 130 000 to 1 600 000 Btu/h HHV.

HIGH VELOCITY —Comparable to North American’s renowned 4442 Tempest I gas burner.

EASY INSPECTION/SERVICE —Air and gas piping need not be removed for complete access to internals.

DUAL-FUEL —Natural gas and/or distillate oil only. Not suitable for blends containing residuals such as Indian "LDO" or similar.

PREHEATED AIR CAPABILITY —To 800°F main air temperature at the burner.

WIDE STABILITY RANGE —From 15% excess fuel to 400% excess air.

FUEL PRESSURES —Natural gas - 12 osig, #2 oil - 2.5 psig.

UNIT CONSTRUCTION —The high temperature tile is secured in the main body section—no extra support is required.

TABLE 1. Main and Atomizing Air capacities scfh* (for Btu/hr HHV multiply by 100)

Atomizing Air

Main Air

(with 16 osi Main Air)

Flame lengths 16 osi Main Air

Burner

fuel

0.2

1

4

9

16

8 osi (gas)

30 osi (oil)

6435-1

gas

65 240 545 870 1220 85 232 545 865 1200 170 500 1090 1660 2280 165 430 1070 1660 2280 235 680 1530 2490 3420 300 665 1430 2320 3180 545 1270 2830 4350 6050 665 1240 2750 4310 5850 895 2060 4460 6950 9500 895 2110 4760 7450 10000 1000 3500 7100 11300 15200 1200 3600 7400 11200 15000

75

180

9"

oil

6435-2

gas

30

140

8"

oil

6435-3

gas

70

180

12"

oil

6435-4

gas

160

390

20"

oil

6435-5

gas

400 @ 16 osi

585

22"

oil

6435-6

gas

380 @ 16 osi

470

38"

oil

* burning on stoichiometric ratio

TABLE 2. Main and Atomizing Air scfh capacities not burning (use to size blowers)

TABLE 3. Maximum %XSAir (16 osi Main Air)

Atomizing Air

Burner size

Main Air at 16 osi

(with 16 osi Main Air)

Fuel

-1

-2

-3

-4

-5

-6

Burner 6435-1 6435-2 6435-3 6435-4 6435-5 6435-6

at 8 osi

at 30 osi

Natural Gas

400 400 400

350

350 350

600 600

1350 3000 4120 7240 12100 17500

90 90

180 190 200 460 590 590

#2 Oil

200

300 400 300

100 240

430 @ 16 osi 430 @ 16 osi

Bulletin 6435 Page 2

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