Turning vanes are installed inside a rectangular duct elbow and secured using bolts, screws, or welds to the ductwork, with a screw specified every sixth vane. A single vane schedule provides spacing, radius, and gauge dimensions for small and large configurations, featuring a forty-five-degree angle profile. The assembly is detailed with isometric and plan views indicating fastening methods and geometric parameters.
R S GA SINGLE VANE SCH. SMALL LARGE 51 38 24 114 83 22 45° 45° S R BOLT, SCREW OR WELD TO DUCT SCREW EVERY SIXTH VANE
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