Name: Utility fans
Availability: InStock

Twin City utility sets in a compact scroll housing: Model DCV direct drive backward inclined (10.5"–20" wheels, to 8,200 CFM, 2.5" w.g.), Model BCV belt driven backward inclined (10.5"–60", to 78,660 CFM, 8" w.g.), Model BAV airfoil (12.25"–36.5", to 32,100 CFM, 8" w.g.), and forward-curved Models DDF and FCV. Model BCVR is rated to 300 °F for restaurant exhaust
Model BCVSH is rated 500 °F for 4 hours and 1000 °F for 15 minutes for emergency smoke control.

Applied to general exhaust and supply in commercial and light industrial buildings — toilet extract risers, process exhaust, boiler room ventilation and make-up air. They cover the gap between a simple axial fan and a full cabinet fan, where duct resistance is real but a lined cabinet is not warranted
the BCVR and BCVSH variants let the same body serve kitchen and smoke duties without changing fan family.