Maxon INDITHERM 100 Specifications

Maxon telecom burner specification sheet

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Specifications of INDITHERM
Stated pressures are indicative. Actual pressures are a function of air humidity, altitude, type of fuel, and gas quality.
Burner size & type
Max. capacity
[3]
Min. capacity [
4]
Pilot capacity
[5]
Combustion air differential pres-
sure
[6]
Combustion air flow
Gas differential pressure at inlet
[7]
Gas differential pressure at test
connection
[8]
Flame length
[9]
[1] sg (specific gravity) = relative density to air (density air = 1.293 kg/Nm
[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. O
[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.
®
burners
Typical burner data
Fuel: natural gas at 15° C with 10.9 kWh/Nm³ HHV - sg = 0.6
Combustion air: 15° C - 21 % O
back pressure
mbar
[2]
0
kW (HHV)
1.5
kW (HHV)
0- 1.5
kW (HHV)
0-1.5
0
mbar
1.5
0
3
m
/h
1.5
mbar
0
0
mbar
1.5
m
0-1.5
level in the flue gas.
2
Low temperature burners - INDITHERM
[1]
- 50 % humidity - sg = 1.0
[1]
2
100
300
550
700
125
340
550
720
110
285
500
675
5.0
6.0
10
15
7.5
10.0
15
25
6.5
4.5
6.4
7.9
5
3.2
5
7.3
136
360
615
755
119
304
545
728
3.4
7.5
6.4
10.3
2.7
6.7
5.4
7.1
2.1
4.7
4.5
6.3
1
1.2
2
2.1
3
.
1 - 2.3 - 6
®
E - m - 7/08
850
1100
1500
1800
850
1050
1472
1800
775
880
1266
1693
15
25
25
25
25
40
40
40
9
5
6.4
13
7.5
3.5
4.7
11.5
910
1100
1611
1850
831
920
1386
1740
13.3
19.8
5.8
10
12
17.7
5.5
9.3
10
12.4
4
8.2
2
2.3
2.6
3-4

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Summary of Contents for Maxon INDITHERM 100

  • Page 1 [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.
  • Page 2: Materials Of Construction

    Materials of construction 1 Housing Cast iron AISI 310 (1.4841) Standard sleeve Castable refractory High temperature block 3 Blower housing Carbon steel 4 Motor mounting bracket Carbon steel 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.
  • Page 3: Selection Criteria

    Because of the burner’s versatility there are numerous types of applications for INDITHERM applications can be equipped with this simple, industrial burner. Among the major applications there are automotive paint-bake ovens and surface treatment, bakery ovens and dryers for the food industry.
  • Page 4 INDITHERM burners are designed to operate on natural gas. For propane and butane operation a standard INDITHERM burner can not be used. Contact MAXON when the use of gases other than natural gas is inevitable. Burner discharge sleeve The burner discharge sleeve is available in different materials and geometries: Standard version with circular stainless steel discharge sleeve and square burner mounting plate.
  • Page 5 Use minimally 5000 V/200 VA ignition transformers for sparking of the spark ignitor. Locate pilot gas valves as close as possible to the pilot burner gas inlet, to have fast ignition of the pilot burner. When igniting the main gas, the capacity rating of the burner at that point shall be limited.
  • Page 6 0 and 1.5 mbar back pressure. The burner should not be used on applications where back pressures would fall outside these limits. It is possible to mount the burner on a process with changing back pressures as long as the fluctuating pressures stay within the 0 to 1.5 mbar limit.
  • Page 7 Stainless steel discharge sleeve (standard) Flame supervision port Spark ignitor burner size gas inlet 1” 365 225 200 160 111 442 93 390 431 224 289 353 184 214 1 1/4” 365 224 200 210 111 442 91 390 431 224 289 353 226 264 1 1/2”...
  • Page 8 High temperature discharge sleeve Flame supervision port Spark ignitor burner size gas inlet 1” 365 232 200 257 111 442 100 397 438 224 289 353 320 357 1 1/4” 365 231 200 305 111 442 98 397 438 224 289 353 368 405 1 1/2”...
  • Page 9 Adjustable orifice for pilot burner - ADJ-ORF This orifice is standard included with the burner and is factory mounted onto the burner pilot gas port. In case a burner has been ordered for direct ignition, this adjustable orifice is omitted.
  • Page 10: Spark Ignitor

    Spark ignitor - SI-1/2 The spark ignitor is standard included with the burner. It is advised to keep at least one additional spark ignitor available as a spare item for maintenance. This spark ignitor can be mounted directly onto the burner spark ignitor connection port.
  • Page 11 Gaskets - GSK- INDI These gaskets are used to seal the mounting plate of the burner and the duct wall. Optionally available in 2 different types: GSK-INDI-STD to be used in combination with standard discharge sleeves (square) GSK-INDI-HT to be used in combination with high temperature discharge sleeves (round)
  • Page 12: Application Requirements

    ® The INDITHERM burner shall not be used as support for the piping to the burner. Gas and air piping shall be supported in such a way that no additional loads will be created on the burner. Burner mounting flange loads Check burner weight and reinforce burner mounting flange or combustion chamber/furnace back wall if necessary to support the complete burner weight.
  • Page 13 INDITHERM oven wall mounting studs gasket burner 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.
  • Page 14 Burner mounting flange Refer to below figure to design a correct burner mounting flange on the installation. ® Mounting flange for INDITHERM burners with standard sleeve Dimensions in mm unless stated otherwise Burner size 1100 1500 1800 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.
  • Page 15 ® Mounting flange for INDITHERM burners with high temperature block sleeve Dimensions in mm unless stated otherwise Burner size 1100 1500 1800 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.
  • Page 16 During first start-up of the burner, allow extended period at low firing range to minimize potential damage from accumulated and retained moisture in refractory burner block. During cold starts, the temperature rise shall be limited – allow the burner to fire on low fire for some time to allow the parts to heat up slowly for maximum life.
  • Page 17: Maintenance And Inspection

    Recommended spare parts Keep local stock of spark igniter. It is not recommended to keep local stock of other burner parts. Consult installation manual for burner spare parts and system accessories.

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