SLKNU is an exhaust air terminal device consisting of a silencer with 50 mm insulation and conical inlet with net.

Material and surface treatment

SLKNU is manufactured from galvanized sheet metal and is as standard delivered non-painted. The device can also be painted to order.


Air flow q [l/s] and [m³/h], total pressure Dpt [Pa] and sound pressure level LW [dB(A)] is read in the graph.

2 Softwares

  • CADvent

    CADvent is an object-oriented AutoCAD© application with a complete toolbox for drafting, dimensioning, calculation, quantification and presentation of complete HVAC installations.

    Download CADvent for 32-bit

    Download CADvent for 64-bit

  • DIMsilencer

    Based on the specified requirements DIMsilencer provides quick, professional sound calculation as well as simple product selection combined with a high degree of user-friendliness.

    Download DIMsilencer