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5 Jun 2015
Manual duct dampers, also known as spool dampers, are ideal for use as an inline damper and allow for manual air flow adjustments.
HVAC system. They can be used in intake, exhaust, or mixed air applications. There are two categories of control dampers: • Balancing. • Volume Control Manual. Quadrant. Manual Hand Quadrant. ? Location. • Internal or External. Electric Actuator Checklist. ? Power Supply. • 24 VDC, 24 VAC, 120 VAC, and 240 VAC.
Balancing dampers are simply manual dampers encased in a galvanized sheet metal sleeve. Each branch should have a balancing damper installed. That way, it's possible to regulate the airflow by adjusting the position of the damper. They should be located in areas that are easily accessible for adjustment. Typical uses
27 Feb 2013
30 May 2016 A damper is a device that is installed into HVAC ducting to direct the air into or away from certain areas or sections of their home. Some homes may have by the homeowner. This article will deal with how to adjust manual type dampers to ensure that the air in your home is being evenly distributed.
Automatic or manual HVAC air duct airflow controls: Here we explain both manual and automatic heating and air conditioning ductwork zone dampers & airflow controls used to control airflow through heating or cooling ductwork. We describe how to find sometimes hidden manual duct dampers, and which way to set the
A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control. Its operation can be manual or automatic. Manual dampers are turned by a handle on the outside of a duct. Automatic dampers are used to regulate airflow

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February 2018