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Motorized Fire Smoke Dampers - UL555/555S

MFSD - GBC1 20, Galvanized Steel Construction
3V Single Skin Blades; Static / Dynamic;
Fire Rating : 1.1/2 Hr./ 3 Hrs.
Leakage Rating to Class-1 at 250°F.
Model: MFSD-GBC1-21AD.

MFSD B-20 Series is a high performance UL 555 / 555S Classified with 1.1/2 hr. / 3hr. rating Motorized fire Smoke damper, 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 for static and vertically (with blades running horizontally) for dynamic operation, and is rated for airflow and leakage class 1 in either direction.

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Motorized Fire Smoke Dampers - UL555/555S

MFSD - GB 20, Galvanized Steel Construction
3V Single Skin Blades; Static / Dynamic;
Fire Rating : 1.1/2 Hr./ 3 Hrs.
Leakage Rating to Class-2, and Class-3 at 250°F.
Model: MFSD-GB-21A ; MFSD-GB-21AH ; MFSD-GB-21AD.

MFSD B-20 Series is a high performance UL 555 / 555S Classified with 1.1/2 hr. / 3hr. rating Motorized fire Smoke damper, 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 for static and vertically(with blades running horizontally) for dynamic operation, and is rated for airflow and leakage class 2 / class 3 in either direction.

Send Sales Enquiry

Motorized Fire Smoke Dampers - UL555/555S

MFSD - GB 20, Galvanized Steel Construction
3V Single Skin Blades; Static / Dynamic;
Fire Rating : 1.1/2 Hr./ 3 Hrs.
Leakage Rating to Class-2, and Class-3 at 250°F.
Model: MFSD-GB-21A ; MFSD-GB-21AH ; MFSD-GB-21AD.

MFSD B-20 Series is a high performance UL 555 / 555S Classified with 1.1/2 hr. / 3hr. rating Motorized fire Smoke damper, 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 for static and vertically(with blades running horizontally) for dynamic operation, and is rated for airflow and leakage class 2 / class 3 in either direction.

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Motorized Fire Smoke Dampers - UL555/555S

MFSD - GB 20, Galvanized Steel Construction
Airofoil Blades; Static / Dynamic;
Fire Rating : 1.1/2 Hr./ 3 Hrs.

Leakage Rating to Class-2, and Class-3 at 250°F.
Model: MFSD-GB-22A
MFSD B-20 Series is a high performance UL 555 / 555S Classified with 1.1/2 hr. / 3hr. rating Motorized fire Smoke damper, 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 for static and vertically(with blades running horizontally) for dynamic operation, and is rated for airflow and leakage class 2 / class 3 in either direction.

Send Sales Enquiry