Hvac Square Duct Damper

Iris dampers utilize interlocking steel plates to create a circular aperture for precision airflow dampering control.

Hvac square duct damper.

The round aperture reduces air turbulence for quiet system operation. S p md series motorized dampers. The bdd dampers offer back draft protection in light duty applications. Dampers meet ul 555 fire safety standards to help prevent the spread of fire for 1 hours.

Call 888 855 7229 or email us at team hvacquick. Some of the most reviewed dampers are the master flow 7 in. Sizes from 3 to 24 round in butterfly damper design slide in volume dampers handle dampers and dryer damper models. All ordered products are shipped directly from the manufacturer.

Galvanized back draft prevention damper with 38 reviews. We are committed to offering the highest quality products technical product information and customer service support. Available in sizes 4 through 14 inch. Normally closed power open 24v or 120v motorized dampers for round duct.

They are undersized to fit inside duct. Get expert advice from one of our hvac engineers. Iris dampers are designed with pressure monitoring ports for determining pressure drop across the damper blades. They can be used as a positive shutoff and can also be used for automatic control in low leakage hvac systems or systems requiring modulating airflow.

Make offer greenheck vcd 23 18x18 low leakage control damper box amca square ruskin ceiling radiation damper cfd5 15x15 ul555c class ceiling fire damper 28 00. The damper frame is a 16ga welded galvanized construction that is undersized 1 4 to fit inside the duct. 2 way 3 point 3 point rotary actuator 5 nm 20 nm ac dc 24 v ac 230 v belimo characterised control valve controlli damper actuator damper actuator 2 nm differential pressure sensor differential pressure transmitter duct sensor dwyer electronic connection for valves with magnetic actuator externally threaded frost protection thermostat globe. They have a fusible link that melts at 165 f releasing a spring and causing the blades to close.

How doers get more done. In the event of a fire these dampers automatically stop airflow through duct. The 025 aluminum blades are attached to the frame with 1 4 round plated rod and bronze bushings. A variety of energy efficient duct dampers in line backdraft and air control dampers for use with range fans bath fans zoning commercial ducting and other exhaust and intake applications.