Ecco Low Pressure

FLAT OVAL DUCT - ECCO Manufacturing

pressure losses at low velocities. GALVANIZED FLAT OVAL DUCT FITTING GAUGE CHART TO 10" W.G. MAJOR AXIS SPIRAL SEAM DUCT WIDTH (") GAUGE FITTING GAUGE To 24 24 20 26 to 36 22 20 38 to 48 22 18 50 to 60 20 18 62 to 70 20 16 71 and up 18 16 *Flat Oval is for positive pressure application only. MAJOR AXIS FLAT SURFACE MINOR AXIS

  Pressure, Ecco