SORDO-PF

A circular sound attenuator with circular connection spigots. The product is equipped with an aerodynamically designed centre body (pod) for optimal acoustic and pressure-drop characteristics. The product has tapped holes for connection of flanges instead of connection spigots.

Galvanized sheet steel as standard to Environmental Class C3 (equivalent to M2 to VVS-AMA 98 . The insulation is covered with polyester fabric EUROLON which is also covered with perforated sheet steel.

The sound attenuating material consists of 100 mm thick long-fibred mineral wool that offers excellent sound attenuation, especially in the mid-frequencies. The insulation is covered with EUROLON.

The product can be mounted by means of approved hangers that satisfy the provisions to load bearing capacity rating R corresponding to the fire resistance the structural element of the building, for example load bearing capacity rating R 60 for elements of structure to fire-resistance class EI60.

The connection spigots on this product are designed for connection to ducts only. It is important to drive screws or blind rivets into the sheet-metal edge on the connection spigot. See Figure.