Manufacturer: Greenheck

Backdraft damper, vertical mount, Model BD-330, 18 In Sq, No Flange, Performance up to 1,500 ft/min

$160.00

The BD-330 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a flangeless, galvanized steel frame with aluminum blades.

Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
AMCA certified for Air Leakage and Air Performance
Width and height furnished approximately 0.125 in. under size

SKU: BD330-18X18

Ships From: Greenheck

Qty:

Available In: 5-7 Business Days

Dimensions
Damper Width x Damper Height The "ACTUAL" damper width and height. Dampers are undersized to allow them to be mounted into the duct work/wall opening.	18 x 18 in
Width Describes the width of a given product.	18 in
Height The height of a given product.	18 in
Weight Weight	2 lbs

Performance
Max Velocity The recommended maximum speed at which air should pass through an HVAC opening.	1500
Pressure Differential Max Describes the maximum static pressure that a given damper can withstand and still be fully operational in an HVAC system.	2

Application
Mounting Position Refers to the orientation in which a product can be mounted.	Vertical

Construction Features
Frame Material Construction material of the frame of a given product.	Galvanized Steel
Frame Gauge Material thickness of the frame on a particular damper.	24
Frame Type Frame Type	No Flange
Blade Material Construction material of the blades on a product.	Aluminum
Blade Gauge Material thickness of the blades on a particular damper.	0.016
Certifications Certifications	AMCA Air & Leakage

General
Unit of Measure Unit of Measure	ea
Warranty Length Warranty Length	1 Year

Dimension
H	17.875 in
W	17.875 in