ASIL

MANUFACTURING FEATURES

• Valid for mounting in inlet and outlet according to the diameter of the corresponding pipe or adapted to the diameter of an optional flange. Consult to Casals Ventilación.
• Steel housing with thickness of 0.8mm for diameters up to 1250mm; and 1mm for higher diameters.
• Silencer flange with threaded inserts.
• Acoustic rock wool insulation of 70Kg/m³ with microperforated metal mesh that protects the fiberglass from erosion. Fire resistant insulation M0.
• Attenuation test carried out according to the ISO 7235 standard.
• Drills in accordance with Eurovent regulations.
• SIL-CN are equipped with an inner core that increases silencer attenuation.
• Maximum working temperature: 150ºC.
• Suitable for pressures up to 1000Pa

APPLICATIONS

• For attenuating the sound level of the fan.
• For coupling fans and circular pipes.

Other sizes, consult us.

MANUFACTURING FEATURES

• Circular-circular coupling flange through anti-vibration canvas.
• Fire resistance M0: from -50ºC to +200ºC in continuous and 400ºC/2h

MANUFACTURING FEATURES

• For axial (inlet and outlet) and centrifugal (inlet) fans.

UNDER REQUEST

• Versions in stainless 304 and stainless 316.

The sound attenuators are used to absorb the noise in air conditioning or ventilation ducts.

Casing in galvanized steel, thickness 0,8 mm;
Acoustic material in mineral wool  50 Kg /m³ with protection against erosion by glass fiber fire resistance M0 and extended metal sheet.

Silencers designed for roof fan duct system mounting.