Exhaust Fan With Motorized Damper

There are 2 main types of dampers and they adjust fan capacity with different system effects.

Exhaust fan with motorized damper.

Damper is equipped with a motor to open and a spring return to close. This is easy to do when the fan starter is in the auto position the control system can power the damper actuator and a damper end switch will close the auto control circuit. 2 pack 4 backdraft damper duct backflow preventer inline fan vent vent deflector professional back draft damper inline spring loaded exhaust pipe check fan valve with 2pcs clamps 18 99 18. Choose from mill finish extruded aluminum frames and g 90 galvanized steel dampers.

They are commonly modulated with electric or pneumatic actuators. 54md and 60md models are 240v only. This maxxair 14 industrial exhaust fan is a powerful fan that can be used in garages barns greenhouses and a variety of other locations. The fan motor speeds remain constant.

They help keep heat or cool in the building and birds and insects out. Motorized dampers from grainger feature stainless steel jamb seals to help keep out light air and moisture. Protect your fan building against the weather with louvered exhaust dampers motorized louvers and vents rain weather hoods. Maximum airflow is 3500 fpm.

2 from the inside out back spin condition it may cause the fan to run in the wrong direction the motor starter to trip out or overload or result in mechanical drive failure due to. 120 240v 0 19 0 11a 60 hz. Visit cfm select to utilize continental fan s state of the art fan selection and quotation platform. Airflow control and balance once an iris damper has been installed and the system is operational the damper may be adjusted to deliver required airflow using the airflow adjustment chart located on the damper.

Center pivoting louvers can provide a full 90 opening and include welded corner construction and factory installed motors. 99 get it as soon as thu oct 1. Rough in opening is 17 25 x 17 25. N 1 fan fan 1 fan 2 isolation dampers lab exhaust bypass air damper bypass air figure 1.

Backdraft dampers ventilation shutters and louvers are either manually or mechanically opened and closed. It features 14 fan blades with overall unit dimensions of 13 x 18 x 18. Exhaust shutters exhaust louvers motorized shutter louvers and weather hoods are a typical accessory used when installing an exhaust fan or supply air fan in the wall.