Frame is constructed from galvanized steel sheet. Joints are welded and protected by aluminium spray coating. Blades are coupled by external concealed linkage, which can provide either parallel or opposed blade operation. Linkage rods are coupled with hand locking quadrant with omore...
Aluminum Collar Damper is designed with nylon bushes for efficient, smooth and quiet operation & to avoid rattling noise. Manufactured in high quality aluminum extrusion profiles, Opposed blade design to ensure proper regulation of air, Ideal for diffusers, grilles etc Opening memore...