فاليوم دامبر مربع او مستطيل مصنع حسب الطلب
the volume control damper has been especially designed to control air flow in HVAC system where high / medium / low pressure are experienced.
these dampers are designed to operate from one control point.
the damper’s blade opening is controlled by hand locking quadrant or motor.
specifications:
Material:extruded aluminum or galvanized steel.
casing:extruded aluminum or galvanized steel for upper and side frames with different case depth.
blade :aero foil blade made from extruded aluminum or 3 groove bended blade for galvanized steel construction.
quadrant hand:steel or plastic handle in different sizes to obtain the required momentum suitable for the volume size.
gears: made from specific plastic temperature resistance 70ْ c to drive opposed blade mecanism.
free Area: maximum 80 %
fixing system: the frame of the damper has been designed in order to be flanged connection in ducts or other falt surface.
finish: standard mill finish or powder coated.
ALUMINUM TYPES:
AIROFOIL 102 :ALUMINUM VOLUME DAMPER opposed blade damper gear operating involving air foil blade with the mentional dimensions.
AIROFOIL 95:ALUMINUM VOLUME DAMPER opposed blade damper gear operating involving air foil blade with the mentional dimensions and with rubber sealing in order to reduce leakage.
AIROFOIL 108: ALUMINUM VOLUME DAMPER opposed blade damper operating involving air foil blade with the mentional dimensions and with rubber sealing in order to reduce leakage put the difference between this type and the other types is that the drive gear mechanism is hide inside the frame which providing a maximum free 
.
