BETEC CAD.

Gas Dampers
UL555S Classified For Leakage

GSD - GB 40, (UL - Model : MFSD-GB-22A) Galvanized Steel Construction.
Aerofoil Blades; Static / Dynamic;
Galvanized - Double Skin Class-2
SS/Galvanized - Class-1
Leakage Rating to Class-1, Class-2, at 250°F.
Drive : Electric / Pneumatic.: GSD-GB-40B ; GSD-GB-40BPn

GSD SB-40 Series is a stainless steel high performance low leakage damper, to ensure lowest resistance to airflow in HVAC systems with velocities to 3000 fpm (10.2 m/sec.) and 4” w.g. (1000Pa) may be installed vertically or horizontally (with blades running horizontally) and is rated for airflow and leakage class 2 in either direction.

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