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BAROMETRIC / STATIC PRESSURE RELIEF DAMPERS
Barometric and static pressure relief dampers should be used on many zoning
systems to control static pressure, register noise, and to insure proper CFM
across the coils and heat exchangers. Both barometric and static pressure
relief dampers usually mount in a duct that is attached from the supply
plenum to the return air plenum; excess air is routed back through the unit
and additionally heated or cooled. Our products and design techniques are
"by-the-book", and conform to typical industry practice and guidelines.
DDRD Series Round Barometric Relief
Dampers
Our most popular relief dampers due to low cost and ease of installation.
The DDRD Series barometric relief damper comes installed in a round sheet
metal enclosure similar to a motorized damper. This relief damper features
an adjustable, weighed arm used to increase and decrease air flow
resistance. A 12" barometric relief will handle up to a 5 ton unit. Our unit
features a longer arm than most for better airflow adjustment. Extra weights
are available. Use flexible or rigid duct with starting collars for easy
installation.
Application: Residential and light commercial zoning systems 5 ton and
under.
PART NUMBER: DDRD 08",10",12",14" and 16" round sizes.
DDRD Barometric Damper
PRD Series Rectangular Barometric Relief Dampers
Rectangular barometric relief dampers have a single blade
design with an adjustable weighed arm to regulate static pressure. Like a
motorized rectangular damper, these barometric dampers are of open
frame design and are made to install inside a section of rectangular duct. Vertical mounting is suggested.
Application: Residential and light commercial low pressure duct systems.
PART NUMBER: PRD 12"x08", 12"x10", 12"x 12",20"x08",20"x10",20"x12".
4092 Series Round Static Pressure Relief Dampers
The 4092 Series round static pressure damper is a true, modulated motor
static pressure relief system that will hold a precise system's static
pressure. The unique 4092 series has all components built into the damper
itself, including static pressure switch, electronics card, and heavy duty
Honeywell ML6161 motor. And included static pressure probe mounts in the
supply air plenum and connects to the damper mounted static pressure switch. Simply screw adjustment for set-up. Two wire 24VAC power required.
Part Number: 4092 10", 12", 14", 16", and 18".
3092 Series Rectangular Static
Pressure Relief Dampers
The 3092 Series rectangular static pressure damper offers the same features
as the 4092 static pressure systems, except in rectangular configurations.
PART NUMBER:3092 12"x8" to 48"x48"
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