Gas Tight Damper – AGTD (B)

Frame: High-quality Galvanized Steel sheet (Z-275) of thickness 2mm
Frame size: 180mm depth and standard flange height of 35mm
Blades: Single skin 3-V blades, Galvanized steel of 2mm thickness
Drive Shaft: Electroplated square rod of size12.7mmx 12.7mm
Bushings: Self-lubricating S.S Ball bearing
Blade linkage: 3mm thick Galvanized steel double linkage system on both sides
Jamb seal: Stainless steel
Gasket: Flame-retardant Silicone Gasket

Gas Tight Damper DESCRIPTION:

• Gas Tight Damper is Designed for use in Ultra-low leakage applications at higher pressure up to 4.5” & operations @ 2400 fpm
• Joints are welded and protected by aluminum spray coating to prevent rusting.
• S.S Ball bearing is used for smooth closing of blades and for long-life application.
  Blade ends have flame retardant silicone gaskets that can withstand temperatures of 180oC and are tested @ 300deg C for 72 hrs.
• Flanged edges are supplied with drilled holes as standard.
• Actuators of the client’s choice will be factory installed.
• Actuators shall be spring return type (fail-safe) to shut off in the event of power supply failure to the actuator.
• The damper is equipped with a junction box for ease of power connection at the site.
• Dampers will be provided with the extended spindle to fix the actuator on-site.
• Air Performance and leakage testing were conducted in accordance with AMCA Standard 500-D-98 entitled, “Laboratory Methods for Testing Dampers for Rating”.
• The Max leakage rating of the damper is < 2cfm/sq.ft @ 4.5”

Gas Tight Damper OPTIONS:

Frame and Blade depth: Customized sizes are available
Actuator: ATEX rated Explosion proof actuator for Zone 1,2 and Zone 21,22 classified hazardous locations, IP 66, and closing as fast as 1sec.
Material: SS 304 / 316 Frame and Blade