Sound attenuation

We can offer you a wide range of noise reduction components : circular duct silencers, rectangular and square silencers, specially to reduce noise on inlet and air outlet systems. Standard lock-formed, reinforced , industrial and heavy duty welded construction according to DIN 24152 and DIN 24151. Also sound boxes and cabins to bring back the noise of fans/industrial processes to an acceptable level.

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Products

Circular duct silencers

With edges for pull-ring connection
With loose flanges, such as standard FA-norm, DIN 24154 R1 t/m R5, according to client specifications.
With FA-quick system
Smooth ends (without bords) in combination with spiro-ducting
Sound absorption : 100 mm standard. With or without baffle and perforated plated inside. On request : glass or mineral wool absorption
On request : inside with tedlar-foil for relative high moisture media .

Rectangular/square silencers

The casing consists of mild steel with light-profile frames according to DIN 24192 duct flanges. Type SB 20, SB 30 and SB 40, direct flange, loose or welded flange according to DIN 24193 or custom made.
Absorption splitter build up in several layers of glass or mineral wool, thickness 100, 200 or 300 mm. The absorber material is covered in the splitter abrasion-proof. It is fire-proof according to DIN 4102, and not harmful to health (biologically soluble or > class 40) with a fibreglass covering.

Sound boxes/cabins

Panels inside with absorption material : glass or mineral wool, foam etc. also possible with perforated plate inside.
Build up with profile and omega profile for 45 mm panel. All panels are demountable.
On request : special dimensions/custom made

Material

Sendzimir galvanized, zinc layer 275 g/m² (on request : powder coated in RAL)
AlMg3
AISI 304 (1.4301), AISI 316 Ti (1.4571) etc.

Range of applications

Dust extraction and exhaust air
Ventilation systems (HVAC)
High vacuum systems
Pneumatic conveying systems

Noise reduction