The 2000 Series dampers are Nailor’s premium choice for use in high velocity, medium pressure commercial and industrial HVAC systems. They offer unsurpassed leakage (Class 1A) and pressure drop characteristics for superior performance that meets the International Energy Conservation Code maximum leakage for building envelope dampers criteria of 3 cfm/ft2 @ 1’’ w.g. (15.2 L/s/m2 @ 0.25 kPa). Model 2020 is an AMCA licensed damper bearing the AMCA Air Leakage and Air Performance Seal. Leakage rating is maintained with airflow in either direction, permitting right or left-hand drive installation. Standard features include a rugged galvanized steel hat channel frame with die-formed corner gussets for strength, no-maintenance concealed linkage and heavy duty extruded aluminum airfoil blades that combine superior rigidity and deflection resistance with low pressure drop. Unique design compression type seals are keyed and locked into blade extrusion, providing the ultimate in ultra-low leakage and high performance
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