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/m³
Maximum working temperature: 80°C (176°F)
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/m³
Weight per m²: 0.700Kg
Maximum working temperature: 125°C (257°F)
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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