Construction

• Frame: 1.2 mm thick galvanized steel sheet.
• Frame size: 125 mm depth and standard flange height of 25 mm.
• Blades: Double skinned high quality extruded aluminium aerofoil profiles.
• Bearing pins: Electro plated square steel rod of size 12.7 mm x 12.7 mm.
• Bushings: Self oiling nylon bushings of internal square size.
• Bearing pin connecting quadrant: Electro plated square steel rod of size 12.7 x 12.7 mm.
• Blade linkage: Steel / aluminium linkage.
• Blade stopper: 20 mm x 20 mm aluminium angle.

Description

• 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 open and close marking. Hand locking quadrant frame is marked to show exact position of damper.
• Structure is available with flanged edges and are supplied un drilled as standard.
• Dampers without flanges available as option for duct insertion purpose. Flanged edges with drilled holes are also available.
• Available in square and rectangular sizes.
• Designed for use in heating, ventilating and air conditioning systems.

Accessories

• Motorized dampers: Volume control dampers will be supplied with actuators of client's choice. The dampers can be provided with an extended linkage to fix motor at the site.

Standard Sizes

• Available in square and rectangular sizes.
• Sizes available from 100 x 100 mm with an increment of 25 mm.
• Non standard sizes available as option.

How to Order

Ordering Example:

To select volume control damper for a duct size of 900 x 600, quantity 75 nos. bolt fixing.

Order as: AVCD - 900 x 600 - 75 - A.

Infrastructure