This standard radius duct elbow features a centerline radius equal to one and one-half times the duct width, with the throat radius equal to the duct width. Seams are fabricated on all corners of the elbow. A bead or crossbreak is provided on the flat cheeks if required for rigidity.
R=W W BEAD OR CROSSBREAK IF REQUIRED SEAMS ON ALL CORNERS STANDARD RADIUS ELBOW R=W. CENTERLINE R= 1 1/2 W ALSO CALLED FULL RADIUS ELBOW.
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