Gustafson HVC-9 High Velocity 9" Spiral Coupling

Gustafson HVC-9 High Velocity 9" Spiral CouplingGeneral Features:Approved to SMACNA Duct Construction Standards and Leakage Class 3.100% Leak Resistant (to 10" W.C.)SmartSeal Spiral Duct Lengths are 26 gauge Galvanized SteelSmartSeal Fittings are 24 gauge Galvanized SteelFittings & Couplings Have Factory Installed GasketFittings & Couplings Have Hemmed Edge for Strength, Rigidity and Maintaining TolerancesOperating Temperature Range -20°F to 212°FSmoke & Flame Spread Rating is 0/0 (in accordance withASTM E-84-91A)Gasket is on the leading edge of fittings, allowing substantial space for screw insertion.Recyclable MaterialContains up to 58% Recycled MaterialsEligible for LEED PointsExclusive SpacePak Plenum Adaptor DesignCompatible with Existing Kwik Connect Take-OffsSignificantly Reduced Installation Time