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Motorized Fresh Air Dampers - UL555S
MFAD-GB 20 Galvanized Construction.
3V Single Skin Blades; Static / Dynamic;
Leakage Rating to Class- 2, Class- 3 at 250°F.
Models: MFAD-GB-21A ;
MFAD B-20 Series is a high performance UL 555S Classified, to ensure lowest resistance to airflow in HVAC systems with velocities to 2000 fpm (10.2 m/sec.) and 4” w.g. (1000Pa) may be installed vertically or horizontally (with blades running horizontally) vertically for dynamic and is rated for airflow and leakage in either direction.
BETEC CAD Motorized Fresh air dampers are all UL 555S Classified and cover leakage Classes Class-2, Class-3 at ambient and elevated temp. 250°F.
Size Limitation |
||
Module |
Width x Height |
Position |
Single Mn |
6" x 6" |
H/V |
Single Mx |
36" x 36" |
H/V |
Single Multiple Mx |
72" x 36" |
V |
Max. Factory assembly size: The sizes larger than the maximum single section, are required site assembly of the smaller sections. |
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Motorized Fresh Air Dampers - UL555S
MFAD-GB 20 Galvanized Construction.
Aerofoil Blades; Static / Dynamic;
Leakage Rating to Class- 2, Class- 3 at 250 °F.
Models: MFAD-GB-21A ;
MFAD B-20 Series is a high performance UL 555S Classified, to ensure lowest resistance to airflow in HVAC systems with velocities to 2000 fpm (10.2 m/sec.) and 4” w.g. (1000Pa) may be installed vertically or horizontally (with blades running horizontally) vertically for dynamic and is rated for airflow and leakage in either direction.
BETEC CAD Motorized Fresh air dampers are all UL 555S Classified and cover leakage Classes Class-2, Class-3 at ambient and elevated temp. 250°F.
Size Limitation |
||
Module |
Width x Height |
Position |
Single Mn |
6" x 6" |
H/V |
Single Mx |
24" x 24" |
H/V |
Max. Factory assembly size: The sizes larger than the maximum single section, are required site assembly of the smaller sections. |
||
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