Fire Protection 411 » Fire Dampers

Greenheck Model FD: Static Rated Model, FDR: Round Static Rated

Foster Cryer — Tue, 23 Jun 2009 15:11:18 +0000

UL 555 rated models for use in HVAC systems that are automatically shut down in the event of a fire emergency. Available in three frame widths, standard, narrowline, and ultra thin, with optional sleeves and transitions.

Greenheck Model DFD: Dynamic Rated, Model DFDR: Round Dynamic Rated

Foster Cryer — Tue, 23 Jun 2009 15:10:29 +0000

UL 555 rated models tested to close under airflow, and rated for use in HVAC systems that are operational in the event of a fire emergency. Fire dampers can be mounted either vertically or horizontally with airflow in either direction.

Pottorff Dynamic Fire Dampers (1-1/2 hour) – True-Round Blade

Foster Cryer — Tue, 23 Jun 2009 14:34:54 +0000

FD-125R:
The FD-125R fire damper employs a single round blade for point-of-origin control of fire in static and dynamic HVAC systems. This unique damper comes standard with mounting plates for interface to round or square openings in masonry, metal stud, or wood stud assemblies and is ideal for all round duct applications. The FD-125R is qualified to 2000 fpm (10.2 m/s) and 4 in. wg. (1.0 kPa) and may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 2 hours.

Pottorff Dynamic Fire Dampers (1-1/2 hour) – Airfoil Blade

Foster Cryer — Tue, 23 Jun 2009 14:28:40 +0000

FD-150:
The FD-150 fire damper employs airfoil blades for point-of-origin control of fire in static and dynamic HVAC systems. The FD-150 is qualified to 3,000 ft/min (15.3 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 2 hours.

View Product Info

FD-150-OP:
The FD-150-OP fire damper employs airfoil blades for point-of-origin control of fire in static and dynamic HVAC systems. These specialty dampers are approved for installation with the closed plane of the blades up to 14-1/2″ (368) outside the fire rated partition and allow for direct service access from the face of the damper through the HVAC grille. The FD-150-OP is qualified to 3,000 ft/min (15.3 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 2 hours.

View Product Info

Pottorff Dynamic Fire Dampers (1-1/2 hour) – EV Blade

Foster Cryer — Tue, 23 Jun 2009 14:20:30 +0000

FD-140:
The FD-140 fire damper employs triple-V blades for point-of-origin control of fire in static and dynamic HVAC systems. The FD-140 is qualified to 2,000 ft/min (10.2 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 2 hours.

FD-140-OP:
The FD-140-OP fire damper employs triple-V blades for point-of-origin control of fire in static and dynamic HVAC systems. These specialty dampers are approved for installation with the closed plane of the blades up to 14-1/2″ (368) outside the fire rated partition and allow for direct service access from the face of the damper through the HVAC grille. The FD-140-OP is qualified to 2,000 ft/min (10.2 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 2 hours.

Pottorff Dynamic Fire Dampers (1-1/2 hour) – Curtain Style

Foster Cryer — Mon, 22 Jun 2009 21:47:09 +0000

VFD-10D-A:
The VFD-10D-A fire damper employs curtain style blades for point-of-origin control of fire in static and dynamic HVAC systems. The VFD-10D-A is qualified to 2,000 ft/min (10.2 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 2 hours.

View Product Info

VFD-10D-B:
The VFD-10D-B fire damper employs out of the airstream curtain style blades for point-of-origin control of fire in static and dynamic HVAC systems. The VFD-10D-B is qualified to 2,000 ft/min (10.2 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 2 hours.

View Product Info

VFD-10D-C:
The VFD-10D-C fire damper employs out of the air stream frame and curtain style blades for point-of-origin control of fire in static and dynamic HVAC systems. The VFD-10D-C is qualified to 2,000 ft/min (10.2 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions, or horizontally in floors or assemblies with fire resistance ratings up to 2 hours.

View Product Info

VFD-10D-IMA:
The VFD-10D-IMA fire damper employs curtain style blades and a factory installed integral mounting angle for point-of-origin control of fire in static and dynamic HVAC systems. The integral mounting angle is designed and approved to be fastened directly to the fire separation and may be installed under the drywall in metal stud construction. The VFD-10D-IMA is qualified to 2,000 ft/min (10.2 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions with fire resistance ratings up to 2 hours.

View Product Info

VFD-10D-IMB:
The VFD-10D-IMB fire damper employs out of the air stream curtain style blades and a factory installed integral mounting angle for point-of-origin control of fire in static and dynamic HVAC systems. The integral mounting angle is designed and approved to be fastened directly to the fire separation and may be installed under the drywall in metal stud construction. The VFD-10D-IMB is qualified to 2,000 ft/min (10.2 m/s) and 4 in.wg. (1.0 kPa) and may be installed in vertical walls or partitions with fire resistance ratings up to 2 hours.

View Product Info