WS Rectangular wall exhaust ventilator and anti-return damper
Description
Rectangular WS exhaust ventilators with self-closing louvres provide protection against reverse airflow in the case of exhaust flow failure. The WS-K duct version acts as a self-closing flap providing protection against reverse airflow.
Intended use
Used at the ends of low- and medium-pressure ventilation systems in the form of an air extractor with reverse airflow shut-off.
Design
- Standard:
- movable aluminium louvres
- galvanised steel frame/body
- Upon special request:
- painted in RAL colour
- stainless steel
If the dimension C ≥ 650 of the WS air ventilator, additional reinforcement is fitted to the cross-section.