LENTO
- Very compact rectangular attenuator
- Excellent aerodynamic characteristics
- Very low pressure drop – splitters function as trim rails guide vanes
- Environmentally friendly acoustic material, approved by independent test institute: ISOVER Cleantec PLUS
- Washable surface layer ISOVER Cleantec PLUS.
- Can be supplied with inspection hatch
- Fire protected version with 50 mm mineral wool also available
- Connection dimensions from 400x300 mm to 2000x2000 mm
- Available with flange connection
- Can be supplied in kit form
- Standard of galvanized sheet steel to Corrosivity class C3
- Included in the MagiCAD database
LENTO is, due to its unique design with connection facing the side splitters, suitable for use both in ducts and in direct connection to the air handling unit.
Technical Description
LENTO is an angled sound attenuator with connection to the outer casing and equipped with baffles that serve as guide vanes to deflect the air flow.
The LENTO is made as standard of galvanized sheet steel to Corrosivity class C3 (VVS-AMA 2019 Standard). The ISOVER Cleantec® PLUS sound attenuating material has been granted type approval. (Type approval no. 2706/92 with regard to cleaning, fibre entrainment, resistance to ageing emissions, washable surfaces, etc. The standard LENTO is supplied with slip clamp connections.
The slip-clamp flanges on this product are intended for use as connection pieces for ducts only. The product should be suspended with a support beam under its entire width.
LENTO - Standard range | ||||
Measurement (mm) | Working range | Attenuation | ||
M | A | I+U | m³/s | dB(A) |
400-2000 | 300-2000 | 300-900 | 0-17 | 20-40 |
Document | Article | Document type | Download |
---|---|---|---|
Approval 2706/92, Duct insulation (pdf 276.09kB) | ISOVER Cleantec PLUS | Quality | |
Angle sound attenuator for rectangular ducts (pdf 478.52kB) | LENTO | Technical catalogue | |
Building product declaration (pdf 178.66kB) | LENTO | Quality | |
Installation, maintenance (pdf 72.95kB) | MORENDO, CALMO, CADENZA, LARGO, LENTO | IOM Manual | |
Installation instruction (pdf 366.78kB) | Slip-clamp and Euroflange | IOM Manual | |
Acoustics Overview (pdf 2.43MB) | CLA-A, CLA-B, SORDO-A, SORDO-B, SORDO-C, SORDO-P, SORDO-PF, CALMO, CADENZA, LARGO, LENTO, MORENDO, FACILE, ALD, CTM, CTK | Brochure | |
Installation, maintenance (pdf 72.24kB) | MORENDO, CALMO, CADENZA, LARGO, LENTO | IOM Manual | |
Approval 2706/92, Duct insulation (pdf 276.09kB) | ISOVER Cleantec PLUS | Quality | |
Acoustics Overview (pdf 2.43MB) | CLA-A, CLA-B, SORDO-A, SORDO-B, SORDO-C, SORDO-P, SORDO-PF, CALMO, CADENZA, LARGO, LENTO, MORENDO, FACILE, ALD, CTM, CTK | Brochure | |
Building product declaration (pdf 178.66kB) | LENTO | Quality | |
Angle sound attenuator for rectangular ducts (pdf 478.52kB) | LENTO | Technical catalogue |
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