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Pipe Size Dimension A - Grate Dimension Dimension B - Grate Thickness Dimension C - Clear Opening Dimension DD - Lower Frame Diameter Dimension E - Frame Dimension Dimension F - Frame Height Grate Type Open Area Perimeter Shape
21 24 3/4 22 30 3-1/2 G 1.3 6.3 Round
All dimensions are listed in inches unless otherwise noted.

Light Duty
CAUTION: Pipe bell sizes from different manufacturers frequently vary. Check the casting
Dimensions with the table to be sure the casting will fit the pipe you are using.

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