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Rectangular shafts

Rectangular shafts manufactured

- All types of air ducts manufactured:
Straight sections
Elbows
Round/square conversions
T-fittings
Offsets
Reduced elbows

- Materials:
Galvanised sheet
Black plate
Stainless steel
Aluminium

- Standard or soldered products available

- Semi-finished products:
Comes in 2 or 4 prefabricated sections + frames
These shafts have the advantage of being less expensive as regards transportation costs.

- Interior thermal and sound insulation:
Using 25mm thick CLIMAVERT 274 type Fibair

(Glass wool panel impregnated with thermosetting resin coated on one side with a black glass fibre mat and on the other with a yellow one. MO (fireproof material) classification in official report on fire resistance/reaction to fire)
Density: 62Kg/m
Maximum working temperature: 80C (176F)
Maximum air velocity: 20m/s

Using 5mm thick CLIMAVERT 504 type felt
(Glass wool roll coated with glass scrim. MO (fireproof material) classification in official report on fire resistance/reaction to fire)
Density: 110Kg/m
Weight per m: 0.700Kg
Maximum working temperature: 125C (257F)
Maximum air velocity: 15m/s

- Increased airtightness

- Degreasing and plugging

- Epoxy paint

- Made-to-measure sheet metal work:
Hoods
Ventilator grids
Curbs


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