Wall penetration nozzle for ventilator - has inclined slots for adjustment, tangential plates and baffle disc

摘要

The penetration nozzle is used for installing ventilator element into a wall or ceiling. The nozzle is readily fitted and dismantled. A supply valve or air flow distributor in nozzle is readily adjusted. The ventilator element (1) has insert concentric with the nozzle (5). The insert and nozzle are connected by rivets or screws (15) held in inclined grooves (16) in the insert and nozzle. The grooves are inclined in the same tangential direction as the tangential plates (7) on nozzle. The insert has a longitudinal cut forming a radial opening (10) and the insert is connected to a baffle disc (8).