ISBS

Three-pass steam boiler

Wet-back and dry-back fire-tube steam boiler, manufactured to BS EN 12953.

Get a quote Model range

89 - 94%efficiency

10 baroperating pressure

12 modelsin one series

A three-pass fire-tube steam boiler: built to BS EN 12953, 10 bar operating pressure and 89-94% efficiency.

Construction
Strong steam,
precise control
1,5^×
Hydraulic test
Every finished boiler passes a hydraulic test at 1.5 times the design pressure.
Three-pass design
Wet-back and dry-back fire-tube steam boilers are welded from steel plate.
BS EN 12953
The boilers are manufactured to BS EN 12953.
Automatic operation
The boiler runs under automatic control and only needs periodic inspection and maintenance.
Complete package
All devices needed for operation come with the boiler: it only needs fuel, power and water.
Laboratory inspection
The furnace, tubes and welds are checked by radiographic, penetrant and ultrasonic testing.
12
models in one series
Heat output from 108,000 to 5,400,000 kcal/h.

Standards

Standards at every stage.

Standards followed in manufacturing the steam boiler. Nominal temperature: 250 °C.

BS 129532002
Design, construction and inspection of shell boilers with fire tubes
BS 55001998
Pressurised fusion-welded vessels
BS 58851988
Burners with an input of 60 kW and above
BS EN 2871992
Approval testing of welders
BS EN 2881992
Arc welding procedure tests
DIN 171551992
Specification for carbon steel plates

Materials

#	Part	Material	BS standard	Nominal, N/mm²
1	Shell	A5 16-70	1501-490 A	150
2	Smoke tubes	ST 35.8	3059-360	96.6
3	Reversal chamber	A5 16-70	1501-490 A	150
4	Tubes not in contact with flame	A5 16-70	1501-490 A	150
5	Tubes in contact with flame	A5 16-70	1501-490 A	150
6	Furnace	A5 16-70	1501-490 A	147.4
7	Inlet pipe	A5 16-70	1501-490 A	150
8	Small pipes	A 106-B	070 M 26	102
9	Flanges	A 105	1501-400	119
10	Flues	A5 16-70	1501-490 A	150
11	Supports	A 105	1501-400	119
12	Connecting parts	A5 16-70	1501-490 A	150
13	Support part	A 36	1502-151-430	120
14	Inlet pipe	A5 16-70	1501-490 A	150

All models

12 models, one series.

Tap a model to see all of its specifications.

ISBS200108,000 kcal/h2500×1500×15006 m²2"0.6 t

ISBS 200

Steam output: 200 kg/h
Heat output: 108,000 kcal/h
Length: 2500 mm
Width: 1500 mm
Height: 1500 mm
Heating surface: 6 m²
Steam outlet: 2" inch
Fuel use, oil: 24 L/h
Fuel use, natural gas: 20 m³/h
Weight: 0.6 t
Operating pressure: 10 bar

ISBS300160,000 kcal/h3000×1500×15009 m²2"0.8 t

ISBS 300

Steam output: 300 kg/h
Heat output: 160,000 kcal/h
Length: 3000 mm
Width: 1500 mm
Height: 1500 mm
Heating surface: 9 m²
Steam outlet: 2" inch
Fuel use, oil: 36 L/h
Fuel use, natural gas: 30 m³/h
Weight: 0.8 t
Operating pressure: 10 bar

ISBS500270,000 kcal/h2500×1900×180012 m²3"1 t

ISBS 500

Steam output: 500 kg/h
Heat output: 270,000 kcal/h
Length: 2500 mm
Width: 1900 mm
Height: 1800 mm
Heating surface: 12 m²
Steam outlet: 3" inch
Fuel use, oil: 60 L/h
Fuel use, natural gas: 50 m³/h
Weight: 1 t
Operating pressure: 10 bar

ISBS600325,000 kcal/h3000×1900×180015 m²3"1.2 t

ISBS 600

Steam output: 600 kg/h
Heat output: 325,000 kcal/h
Length: 3000 mm
Width: 1900 mm
Height: 1800 mm
Heating surface: 15 m²
Steam outlet: 3" inch
Fuel use, oil: 72 L/h
Fuel use, natural gas: 60 m³/h
Weight: 1.2 t
Operating pressure: 10 bar

ISBS800430,000 kcal/h3500×1900×180020 m²3"1.6 t

ISBS 800

Steam output: 800 kg/h
Heat output: 430,000 kcal/h
Length: 3500 mm
Width: 1900 mm
Height: 1800 mm
Heating surface: 20 m²
Steam outlet: 3" inch
Fuel use, oil: 96 L/h
Fuel use, natural gas: 80 m³/h
Weight: 1.6 t
Operating pressure: 10 bar

ISBS1000540,000 kcal/h3000×2000×230025 m²3.5"2 t

ISBS 1000

Steam output: 1,000 kg/h
Heat output: 540,000 kcal/h
Length: 3000 mm
Width: 2000 mm
Height: 2300 mm
Heating surface: 25 m²
Steam outlet: 3.5" inch
Fuel use, oil: 120 L/h
Fuel use, natural gas: 100 m³/h
Weight: 2 t
Operating pressure: 10 bar

ISBS1500810,000 kcal/h3500×2000×230035 m²3.5"2.5 t

ISBS 1500

Steam output: 1,500 kg/h
Heat output: 810,000 kcal/h
Length: 3500 mm
Width: 2000 mm
Height: 2300 mm
Heating surface: 35 m²
Steam outlet: 3.5" inch
Fuel use, oil: 180 L/h
Fuel use, natural gas: 150 m³/h
Weight: 2.5 t
Operating pressure: 10 bar

ISBS20001,080 000 kcal/h4000×2000×230045 m²3.5"3 t

ISBS 2000

Steam output: 2,000 kg/h
Heat output: 1,080 000 kcal/h
Length: 4000 mm
Width: 2000 mm
Height: 2300 mm
Heating surface: 45 m²
Steam outlet: 3.5" inch
Fuel use, oil: 240 L/h
Fuel use, natural gas: 200 m³/h
Weight: 3 t
Operating pressure: 10 bar

ISBS30001,600 000 kcal/h5000×2500×280060 m²4"5 t

ISBS 3000

Steam output: 3,000 kg/h
Heat output: 1,600 000 kcal/h
Length: 5000 mm
Width: 2500 mm
Height: 2800 mm
Heating surface: 60 m²
Steam outlet: 4" inch
Fuel use, oil: 360 L/h
Fuel use, natural gas: 300 m³/h
Weight: 5 t
Operating pressure: 10 bar

ISBS50002,700 000 kcal/h6000×2500×2800100 m²4"7 t

ISBS 5000

Steam output: 5,000 kg/h
Heat output: 2,700 000 kcal/h
Length: 6000 mm
Width: 2500 mm
Height: 2800 mm
Heating surface: 100 m²
Steam outlet: 4" inch
Fuel use, oil: 600 L/h
Fuel use, natural gas: 500 m³/h
Weight: 7 t
Operating pressure: 10 bar

ISBS70003,800 000 kcal/h6000×3000×3400140 m²6"10 t

ISBS 7000

Steam output: 7,000 kg/h
Heat output: 3,800 000 kcal/h
Length: 6000 mm
Width: 3000 mm
Height: 3400 mm
Heating surface: 140 m²
Steam outlet: 6" inch
Fuel use, oil: 840 L/h
Fuel use, natural gas: 700 m³/h
Weight: 10 t
Operating pressure: 10 bar

ISBS100005,400 000 kcal/h7000×3500×3800200 m²8"15 t

ISBS 10000

Steam output: 10,000 kg/h
Heat output: 5,400 000 kcal/h
Length: 7000 mm
Width: 3500 mm
Height: 3800 mm
Heating surface: 200 m²
Steam outlet: 8" inch
Fuel use, oil: 1200 L/h
Fuel use, natural gas: 1000 m³/h
Weight: 15 t
Operating pressure: 10 bar

ISBS

Strong steam,precise control

Hydraulic test

Three-pass design

BS EN 12953

Automatic operation

Complete package

Laboratory inspection

models in one series