BETEC CAD.

Marine Dampers

BETEC CAD Marine Dampers can stand up to the toughest and most demanding environments and can be custom-built to meet the exact needs of virtually any ventilation or process applications.

MRD - GB / SB 40, Galvanized / Stainless Steel Construction
Aerofoil / Single Skin Blades; Static / Dynamic;
Fire Rating : 3 Hrs.
Leakage Rating to Class-2, Drive : Electric / Pneumatic.:
MRD-GB-40B ; MRD-GB-40BPn ; MRD-SB-40B ; MRD-SBPn

MRD SB / GB-40 Series is a stainless / Galvanized steel high performance 3hr. rating fire 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 in either direction.
MRD-GB-40 --- All Steel Heavy Duty Industrial 2’’(50mm) Flanged Frame Fire LowLeakage Damper.
Max. System velocity --- 3000FPM ; Max. air leakage ---- 0.4% with seal.

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