Inlets & Catch Basins : Inlet Frames & Grates : Reversible Frames & Grates

Neenah Foundry offers a wide variety of cast iron reversible frames and grates. Select from the list below to find the reversible frames and grates that fit your needs.

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Catalog Number A B C E F Grate Type Open Area Perimeter Shape
R-1879-B9G 18-3/4 x 31-3/4 1-1/2 30 x 36 36 x 42 4 A 3.2 11.6 Square/Rectangular
R-1879-B2G 13-1/2 x 25-1/2 1-1/2 12 x 24 18 x 30 4 C 0.9 6.5 Square/Rectangular
R-1879-B3G 19-1/2 x 25-1/2 1-1/2 18 x 24 24 x 30 4 C 1 7.5 Square/Rectangular
R-1879-B4G 19-1/2 x 31-1/2 1-1/2 30 x 18 36-1/4 x 24-1/4 4 A 1.4 8.5 Square/Rectangular
R-1879-B5G 19-3/4 x 37-3/4 1-1/2 18 x 36 24 x 42 4 A 1.9 9.6 Square/Rectangular
R-1879-B6G 25-1/2 x 31-1/2 1-1/2 23-7/8 x 29-7/8 30 x 36 4 A 2.4 9.5 Square/Rectangular
R-1879-B7G 25-1/2 x 37-1/2 1-1/2 24 x 36 30 x 42 4 A 3 10.6 Square/Rectangular
R-1879-B8G 24-3/4 x 25-3/4 1-1/2 24 x 48 54 x 30 4 A 3.2 12.6 Square/Rectangular
R-1879-A3G 20 x 20 1-1/2 18 x 18 24 x 24 4 A or C 1.2 6.7 Square/Rectangular
R-1879-A4G 21-1/2 x 21-1/2 1-1/2 20 x 20 26 x 26 4 A or C 1.4 7.3 Square/Rectangular
R-1879-A5G 23-3/8 x 23-3/8 1-1/2 22 x 22 28 x 28 4 A or C 1.9 7.8 Square/Rectangular
R-1879-A6G 25-3/4 x 25-3/4 1-1/2 24 x 24 30 x 30 4 A or C 2 8.6 Square/Rectangular
R-1879-A7G 27-1/2 x 27-1/2 1-1/2 26 x 26 32 x 32 4 A or C 1.7 9.2 Square/Rectangular
R-1879-A8G 29-1/2 x 29-1/2 1-1/2 28 x 28 34 x 34 4 A or C 2.2 9.8 Square/Rectangular
R-1879-A9G 31-3/4 x 31-3/4 1-1/2 A or C 2.8 10.6 Square/Rectangular
R-1879-B10G 24-5/8 x 31-1/2 1-1/2 30 x 36 x 54 4 C 4.2 13.5 Square/Rectangular
R-1879-B1G 14 x 20 1-1/2 12 x 18 18 x 24 4 A 0.6 5.7 Square/Rectangular
R-1878-B2G 13-1/2 x 25-1/2 1-1/2 12 x 24 18 x 30 4 A 0.9 6.5 Square/Rectangular
R-1878-B3G 19-1/2 x 25-1/2 1-1/2 18 x 24 24 x 30 4 A 1.2 7.5 Square/Rectangular
R-1878-B4G 19-1/2 x 31-1/2 1-1/2 30 x 18 36-1/4 x 24-1/4 4 A 2.1 8.5 Square/Rectangular
R-1878-B5G 19-3/4 x 37-3/4 1-1/2 18 x 36 24 x 42 4 A 2.5 9.6 Square/Rectangular
R-1878-B6G 25-1/2 x 31-1/2 1-1/2 23-7/8 x 29-7/8 30 x 36 4 C 2.6 9.5 Square/Rectangular
R-1878-B8G 24-3/4 x 25-3/4 1-1/2 24 x 48 54 x 30 4 A 3.7 12.6 Square/Rectangular
R-1878-B9G 18-3/4 x 31-3/4 1-1/2 30 x 36 36 x 42 4 C 3.3 11.6 Square/Rectangular
R-1879-A10G 18-3/8 x 18-3/4 1-1/2 35-3/4 x 35-3/4 42 x 42 4 A or C 3.7 12.3 Square/Rectangular
R-1879-A1G 13-3/4 x 13-3/4 1-1/2 12 x 12 18 x 18 4 A or C 0.4 4.6 Square/Rectangular
R-1879-A2G 18 x 18 1-1/2 16 x 16 22 x 22 4 A or C 0.8 6 Square/Rectangular
R-1878-A4G 21-1/2 x 21-1/2 1-1/2 20 x 20 26 x 26 4 A or C 1.1 7.3 Square/Rectangular
R-1878-A5G 23-1/2 x 23-1/2 1-1/2 22 x 22 28 x 28 4 A or C 1.8 7.8 Square/Rectangular
R-1878-A6G 25-3/4 x 25-3/4 1-1/2 24 x 24 30 x 30 4 A or C 2.7 8.6 Square/Rectangular
R-1878-A7G 27-1/2 x 27-1/2 1-1/2 26 x 26 32 x 32 4 A or C 2.1 9.2 Square/Rectangular
R-1878-A8G 29-1/2 x 29-1/2 1-1/2 28 x 28 34 x 34 4 A or C 2.3 9.8 Square/Rectangular
R-1878-A9G 31-3/4 x 31-3/4 1-1/2 A or C 2.5 10.6 Square/Rectangular
R-1878-B10G 24-5/8 x 31-1/2 1-1/2 30 x 36 x 54 4 C 4.9 13.5 Square/Rectangular
R-1878-B11G 38 x 24-15/16 1-1/2 36 x 48 44-1/2 x 56-1/2 4 A 5 14.7 Square/Rectangular
R-1878-B1G 14 x 20 1-1/2 12 x 18 18 x 24 4 A 0.6 5.7 Square/Rectangular
R-1792-HG 34-1/4 1-1/2 32-1/2 38-1/2 4 G 2.7 9 Round
R-1792-JG 40 1-1/2 38-1/2 44-1/2 4 G 3.7 10.5 Round
R-1792-KG 46-1/8 1-1/2 44-1/2 50-1/2 4 G 4.8 12.1 Round
R-1878-A10G 38 x 38 1-1/2 35-3/4 x 35-3/4 42 x 42 4 A or C 3 12.3 Square/Rectangular
R-1878-A1G 13-3/4 x 13-3/4 1-1/2 12 x 12 18 x 18 4 A or C 0.5 4.6 Square/Rectangular
R-1878-A2G 18 x 18 1-1/2 16 x 16 22 x 22 4 A or C 0.8 6 Square/Rectangular
R-1878-A3G 20 x 20 1-1/2 18 x 18 24 x 24 4 A or C 1 6.7 Square/Rectangular
R-1792-AG 10-1/4 1-3/8 8-1/2 14-1/2 4 G 0.2 2.7 Round
R-1792-BG 13-1/4 1-1/2 11-1/2 17 4 G 0.3 3.5 Round
R-1792-CG 16-1/4 1-1/2 14-1/2 20-1/2 4 G 0.5 4.3 Round
R-1792-DG 18-1/4 1-1/2 16-1/2 22-1/2 4 G 0.7 4.8 Round
R-1792-EG 22-1/4 1-1/2 20-1/2 26-1/2 4 G 1 5.8 Round
R-1792-FG 25-1/4 1-1/2 32-1/2 29-1/2 4 G 1.7 6.6 Round
R-1792-GG 28-1/4 37257 26-3/8 32-1/2 4 G 2 7.4 Round
All dimensions are listed in inches unless otherwise noted.
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