Inlets & Catch Basins : Roll Inlets

Neenah Foundry offers a variety of cast iron roll inlets. Select from the list below to find our full line of roll inlets that are a perfect fit for your needs.

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Catalog Number A-Grate Dimensions B-Grate Thickness C-Clear Opening E-Base Flange F-Frame Height Grate Type Square Feet Open Weir Perimeter Lineal Feet
R-3504-F 16-1/4 x 45 2 15-1/2 x 39 18-1/2 x 48-3/8 4 to 7 C 2.8 5.1
R-3503-B 17-1/4 x 28-3/4 1-1/8 27 29 x 36 10 to 15-5/8 C 2.0 4.1
R-3503-A 17-1/4 x 28-3/4 1-3/4 27 29 x 36 10 to 15-5/8 B 1.3 4.1
R-3502-D2 22-3/4 x 22 1-3/4 20-1/4 36 x 36 10 to 15-5/8 C 1.9 4.2
R-3502-B 21-1/2 1-3/4 20-1/4 36 10 L 1.4 4.2
R-3502-A 22 1-3/4 20-1/4 36 10 A 1.4 4.1
R-3501-U1 34-1/8 x 22-1/8 2 20-1/2 32 x 36 6 to 9-3/4 L 2.4 5.0
R-3501-U 22-18 x 34-1/8 2 20-1/2 32 x 36 6 to 9-3/4 L 2.4 5.0
R-3501-TL 23-1/2 x 26 1-1/2 26-1/8 29-3/4 x 38 5-3/4 to 10 L 1.4 4.6
R-3501-TR 23-1/2 x 26 1-1/2 26-1/8 29-3/4 x 38 5-3/4 to 10 L 1.4 4.6
R-3501-TB 26-29/32 x 35-1/2 1-7/8 23-3/4 x 33 31-3/4 x 43 4-25/32 to 8-1/8 L 3.1 5.7
R-3501-R 28-5/8 x 28-5/8 2 24-1/2 x 27 31 x 36 7 to 10 C 2.6 5.5
R-3501-PL 19-3/8 x 25-3/4 1-3/4 17 x 23-5/8 31 x 35 8 to 10-1/2 L 1.6 4.7
R-3501-PR 19-3/8 x 25-3/4 1-3/4 17 x 23-5/8 31 x 35 8 to 10-1/2 L 1.6 4.7
R-3501-P 19 x 25-3/4 1-3/4 17 x 23-5/8 31 x 35 8 to 10-1/2 C 1.5 4.3
R-3501-N 23-1/4 x 23-1/4 1-1/2 21-1/8 32-1/4 x 32-1/4 7-1/4 x 11 A 1.6 4.3
R-3501-M 24 x 28-1/8 2 22 x 26-1/8 30-3/4 x 33 8 to 10-1/2 A 2.3 5.6
R-3501-L2 23-1/2 x 26 1-1/2 22 x 26-1/8 36 7 to 11 C 1.3 3.7
R-3501-L1A 23-1/8 x 23-3/4 1-1/2 22 x 26-1/8 30-3/4 x 33 8 to 10-1/2 C 1.2 4.4
R-3501-HL 29 x 33-5/8 2 27 x 31-1/2 36 x 40-1/2 5-1/2 to 9 D 3.3 5.8
R-3501-H4 31-1/8 x 35-15/16 2 27 x 31-1/2 36 x 40-1/2 5-1/2 to 9 C 2.8 6.8
R-3501-E2 18-3/4 x 25-3/4 1-3/4 17 x 24 27-1/2 x 34 10 to 10-3/4 C 1.4 4.2
R-3501-D2A 9-1/8 x 22-3/16 2-1/4 20 29-1/4 x 29-3/4 10-5/8 to 12-3/16 C 1.0 3.4
All dimensions are listed in inches unless otherwise noted.
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