Radiant U-Tube

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SPACE-RAY U-Tube heaters have many applications from factories and warehouses to sports halls, aircraft hangers, supermarkets, exhibition halls and retail premises. So no matter what the use, size or shape of your building you can rest assured that SPACE-RAY Radiant Tube heaters will suit your needs.
How do SPACE-RAY Radiant U-Tube heaters work? A gas fired flame within the Calorised Emitter Tube causes the heat to radiate invisible "black heat" energy. This energy gently warms surfaces and people without heating the air directly. Therefore SPACE-RAY Radiant U-Tube Heaters are highly fuel efficient and are an ideal total heating system or for zone/spot heating.

General Specification

SPACE-RAY Radiant "U-Tubes" - Technical Specification
Model
CBU09
CBU12
CBU15
SRU25
SRU30
SRU35
SRU40
SRU45
Input - kW
9.0
11.40
15.0
23.0
29.20
34.50
42.20
47.0
Length -mm
3100mm
5385mm
5510mm
6970mm
Width -mm
460mm
715mm
Height -mm
175mm
210mm
Weight - KG
31kg
47kg
66kg
81kg
Gas Connection
All Models R -1/2"
Supply Pressure
Natural Gas - Min 17mbar, Max 25mbar; Propane - Min 25mbar, Max 45mbar; Butane - Min 20mbar, Max 35mbar
Electrical Supply
230v~50hz 125w, Current rating at 0.55A, Fuse externally 3A
Flue Diameter
All models - 127mm
Air Inlet Connection
All Models - 101.6mm

Recommended Mouting Height Range (General Guidance Only)
Model
CBU09
CBU12
CBU15
SRU25
SRU30
SRU35
SRU40
SRU45
Horizontal

2.4m - 6.0m
3.0m - 8.0m
3.8m - 10.0m
4.0m - 12.5m
4.8m - 13.5m
5.6m - 15m
Angle >
30 Degrees
2.1m - 4.5m
2.7m - 5.0m
3.3m - 7.0m
3.7m - 8.0m
4.0m - 9.0m
4.8m - 11m

Minimum Clearance to Combustible Material - (mm)
Model
CBU09
CBU12
CBU15
SRU25
SRU30
SRU35
SRU40
SRU45
Side
450
450
450
510
760
760
760
760
Above
450
450
450
450
610
610
610
610
Below
1220
1220
1220
1220
2285
2285
2285
2285
End
450
450
450
510
610
610
610
610
Front
575
575
575
610
760
760
760
760
Rear
305
305
305
305
380
380
380
380

Recommended Ancilleries:

To view and download our Radiant Tube brochure, Click Here

To view and download our Radiant Tube Installation Guide, Click Here (This is for all models of SRL/SRU Tube Heater)


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Applications
Hangers:
Factories:
Spot Heating:
Workshops:
Churches
And More:

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