Airport Castings : Inlets

Neenah Foundry offers a variety of cast iron inlets for the airport sector. Select from the list below to find the inlets that fit your needs.

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Catalog Number A-Grate Dimension B-Grate Thickness C-Clear Opening E-Frame Dimension F-Frame Height Grate Type Number Of Bolts Square Feet Open Weir Perimeter Lineal Feet
R-3481 36 x 36 1-3/4 34 x 34 45 x 45 7 C 4 3.3 12
R-3480-A 24-7/8 x 26-5/8 3-1/2 23-15/16 x 25 26-5/8 x 28-5/16 5-3/4 A 2 1.6 8.5
R-3480 26-5/8 x 49-3/4 3-1/2 23-15/16 x 49-3/4 28-5/16 x 51-13/16 5-3/4 C 4 3.3 12.7
R-3477-A 31-1//8 x 42-3/4 1-3/4 27-1/2 x 39-3/8 35-1/2 x 47-3/8 2-1/2 C 8 3.3 12.3
R-3475-H 35 x 95 3 32 x 96 40-3/4 x 99-1/2 3-3/4 C 8 9.6 21.8
R-3475-G 35 x 71-1/4 3 32-1/2 x 71-7/8 38 x 74-7/8 3-3/4 C 6 7.2 17.8
R-3475-F 35 x 47-1/2 3 33-5/8 x 47-5/8 44-1/8 x 57 5 C 4 4.8 13.8
R-3475-E 23-3/4 x 35 3 23-7/8 x 32-1/2 26-7/8 x 38 3-3/4 A 2 2.4 9.8
R-3475-A 23-1/2 x 35-1/2 2 20-3/4 x 32-3/4 28 x 40 3 A 4 2.7 9.8
R-3475-3 27 x 55 1-3/4 24 x 52-1/4 31 x 59-1/4 2-1/2 A 4 4.1 13.7
R-3475 23-1/2 x 35-1/2 2 21-3/4 x 32-3/4 34 x 46 6-1/4 A 4 2.7 9.8
All dimensions are listed in inches unless otherwise noted.
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