Inlets & Catch Basins : Inlet Frames & Grates : Inlet Frames & Grates for Driveway and Mountable Curb

Neenah Foundry engineers a full line of high-quality inlet frames and grates. Available in a wide variety of sizes, shapes and styles, you’re sure to find an inlet perfect for your needs. Select from the list below to find the inlet frames and grates that fit your needs.

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Catalog Number Grate Type Square Feet Open Weir Perimeter Lineal Feet A AB AA B E EA F G H I J K L M
R-3510 C 2.9 4.1 21 3/4 35 3/4 13 7/8 7 7/8 30 44 9 1/2 10 3/8 1 1/8 6 2 1 1 7/8 1 1/8
R-3511 C 2 2.9 19 30 8 1/8 10 7/8 27 38 8 8 1/2 1 1/8 7 2 1 3/8 1 7/8 1 1/8
R-3513 A 1.4 4.7 24 24 16 1/4 7 3/4 36 35 5/8 7 1 1/4 1 7 1 7/8 2 1/2 4 2 1/4
R-3514-F C 2.6 5.5 29 3/8 28 1/8 19 1/8 10 1/4 38 1/4 36 1/4 11 1/2 7 1/2 1 8 2 1 1/2 1 1/2 1
R-3514-F2 C 5.1 7.7 29 3/8 28 1/8 19 1/8 10 1/4 38 1/4 69 1/2 11 1/2 7 1/2 1 8 2 1 1/2 1 1/2 1
R-3517 C 1.8 3.7 22 1/4 22 1/4 11 1/8 11 1/8 36 Dia. 6 6 1 6 2 1/2 2 1
R-3506-A2 C 1.4 2.9 19 1/4 19 1/4 8 1/8 11 1/8 28 1/4 30 12 1/2 6 1/4 3/4 10 1 1/2 1 1/4 1 1/2 7/8
R-3509 K 0.9 2.8 17 22 8 1/2 8 1/2 25 29 5 1/4 1 1/4 1 1/4 5 1/4 1 3/4 1 6 3/4 1 1/4
R-3506-B C 1.2 2.9 19 1/4 19 1/4 8 1/8 11 1/8 28 1/4 30 11 4 3/4 1 10 1 1/2 1 1/2 1 7/8 1
R-3507-C D 1.6 3.7 22 22 11 11 35 35 10 19 3/4 10 1 3/4 2 1 1/2 7/8
R-3507-D D 1.6 3.7 22 22 11 11 30 35 10 19 3/4 10 1 3/4 2 1 1/2 7/8
R-3508-A2 C 1.7 3.8 22 3/4 22 3/4 11 3/8 11 1/8 35 Dia. 12 6 1/4 3/4 10 1 3/4 2 1 1/2 7/8
R-3508-B C 1.8 3.8 22 3/4 22 3/4 11 3/8 11 3/8 35 Dia. 10 6 1 10 1 3/4 1 3/4 2 1
R-3508-B1 D 1.9 3.8 22 3/4 22 3/4 11 3/8 11 3/8 35 Dia. 10 20 3/4 10 1 3/4 1 3/4 1 1/2 7/8
R-3508-B2 K 1.4 7.5 22 1/2 22 1/2 11 1/4 11 1/4 35 Dia. 10 6 1 10 1 3/4 1 3/4 1 7/8
R-3508-C C 1.4 3.8 22 3/4 22 3/4 11 3/8 11 3/8 38 Dia. 13 1/2 4 1/4 1 3/16 10 2 3/8 1/2 1 3/8 1
All dimensions are listed in inches unless otherwise noted.
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