Maxon Telecom 550, 850, 700, 300 specifications Specifications of Inditherm burners, 3 6 E m 7/08

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Low temperature burners - INDITHERM®

Specifications of INDITHERM® burners

1 - 2.3 - 6 E - m - 7/08

 

Typical burner data

 

 

 

 

 

 

 

 

Fuel: natural gas at 15° C with 10.9 kWh/Nm³ HHV - sg = 0.6

[1]

 

 

 

 

Combustion air: 15° C - 21 % O2 - 50 % humidity - sg = 1.0 [1]

 

 

 

Stated pressures are indicative. Actual pressures are a function of air humidity, altitude, type of fuel, and gas quality.

 

 

 

 

 

 

 

 

 

 

Burner size & type

100

300

550

700

 

850

1100

1500

1800

 

 

 

 

 

 

 

 

 

 

back pressure

[2]mbar

Max. capacity [3]

kW (HHV)

0

125

340

550

720

850

1050

1472

1800

 

 

 

 

 

 

 

 

 

1.5

110

285

500

675

775

880

1266

1693

 

 

 

 

 

 

 

 

 

 

 

 

 

Min. capacity [4]

kW (HHV)

0- 1.5

5.0

6.0

10

15

15

25

25

25

 

 

 

 

 

 

 

 

 

 

 

Pilot capacity [5]

kW (HHV)

0-1.5

7.5

10.0

15

25

25

40

40

40

 

 

 

 

 

 

 

 

 

 

 

Combustion air differential pres-

mbar

0

6.5

4.5

6.4

7.9

9

5

6.4

13

sure [6]

1.5

5

3.2

5

7.3

7.5

3.5

4.7

11.5

 

 

 

 

 

 

 

 

 

 

 

 

Combustion air flow

m3/h

0

136

360

615

755

910

1100

1611

1850

 

 

 

 

 

 

 

 

 

1.5

119

304

545

728

831

920

1386

1740

 

 

 

 

 

 

 

 

 

 

 

 

 

Gas differential pressure at inlet

mbar

0

3.4

7.5

6.4

10.3

13.3

19.8

5.8

10

[7]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gas differential pressure at test

mbar

0

2.7

6.7

5.4

7.1

12

17.7

5.5

9.3

connection [8]

1.5

2.1

4.7

4.5

6.3

10

12.4

4

8.2

 

 

 

 

 

 

 

 

 

 

 

 

Flame length [9]

m

0-1.5

1

1.2

2

2.1

2

2.3

2.6

3-4

 

 

 

 

 

 

 

 

 

 

 

[1]sg (specific gravity) = relative density to air (density air = 1.293 kg/Nm3.

[2]Back pressure = static pressure in the combustion chamber where the flame develops. Data in this table are given for 0 and 1.5 mbar back pressure.Combustion air flow valid for all listed maximum capacities.

[3]Maximum capacity when firing at 3% vol. O2 level in the flue gas.

[4]Minimum capacity without pilot gas. If lower minimum capacities are required, refer to chapter ‘minimum capacities’ in this section.

[5]With direct ignition (no pilot), start capacity should be equal or higher than the stated pilot capacity.

[6]Differential pressure measured between burner test connection and combustion chamber.

[7]Gas differential pressures for natural gas at burner inlet. This pressure should be available at burner inlet throughout the entire capacity range.

[8]Differential pressure to be measured between burner test connection and combustion chamber.

[9]Flame lengths are derived from measured lab data. Actual flame lengths can differ slightly.

w w w . m a x o n c o r p . c o m

combustion systems for industry

MAXON reserves the right to alter specifications and data without prior notice. © 2008 Copyright Maxon Corporation. All rights reserved.

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Contents Low temperature burners Inditherm Specifications of Inditherm burners3 6 E m 7/08 3 7 E m 7/08 Materials of constructionApplication details Selection criteriaAvailable Inditherm burner versions and options 3 8 E m 7/08Burner discharge sleeve Fuels3 9 E m 7/08 Maximum capacities Process temperatureMinimum capacities Preheated airFlame development Low temperature burners Inditherm Flame supervisionGas pipe train design Process back pressuresInditherm with standard discharge sleeve all sizes Dimensions3 12 E m 7/08 3 13 E m 7/08 Inditherm with high temperature discharge sleeve all sizes3 14 E m 7/08 Adjustable orifice for pilot burner ADJ-ORFFilter Elements FLT- Indi Spark ignitor SI-1/23 15 E m 7/08 3 16 E m 7/08 Gaskets GSK- IndiApplication requirements Installation instructions3 18 E m 7/08 3 19 E m 7/08 Low temperature burners Inditherm Burner mounting flange3 20 E m 7/08 3 21 E m 7/08 Start-up instructions for Inditherm burnersSafety requirements Maintenance and inspectionVisual inspections Recommended spare parts

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