Airport Castings : Manhole Frames & Grates

Neenah Foundry offers a variety of cast iron manhole frames and grates for the airport market. Select from the list below to find the airport manhole frames and grates that fit your needs.

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Catalog Number Description A AA B C E F G H J K Grate Type Square Feet Open Weir Perimeter Lineal Feet Lid/Grate Material
R-3493-C Airport Manhole Frame, Ductile Iron Grate G 0.6 6.2
R-3492-CG Airport Manhole Frame, Ductile Iron Grate G 2.6 9.9
R-3492-BG Airport Manhole Frame, Ductile Iron Grate G 2.6 9.9
R-3492-A Airport Manhole Frame, Lid 32-3/8 39-1/2 2 30 42 9 1-1/2 1 Ductile Iron
R-3492 Airport Manhole Frame, Lid 27 33-1/2 2-1/2 24 36 9 1-1/2 1 Gray Iron
R-3492-A1 Airport Manhole Frame, Lid 32-3/8 39-1/2 2 30 42 9 1-1/2 1 G 2.4 8.5 Ductile Iron
R-3492-1 Airport Manhole Frame, Lid 27 33-1/2 2-1/2 24 36 9 1-1/2 1 G 1.6 7.1 Gray Iron
R-3491-JG Airport Catch Basin Frame, Grate G 2.4 8.5
R-3491-HG Airport Catch Basin Frame, Grate G 1.9 7.6
R-3491-GG Airport Catch Basin Frame, Grate G 1.6 7.1
R-3491-AG Airport Catch Basin Frame, Grate G 0.9 5.5
R-3491-JG Airport Catch Basin Frame, Grate 32-3/8 2 30 39-1/2 6 1-1/2 1 2-7/8 1
R-3491-JL Airport Catch Basin Frame, Grate 32-3/8 2 30 39-1/2 6 1-1/2 1 2-7/8 1
R-3491-HG Airport Catch Basin Frame, Grate 29 1-3/4 27 35 6 1-1/2 1 2-7/8 1
R-3491-HL Airport Catch Basin Frame, Grate 29 1-3/4 27 35 6 1-1/2 1 2-7/8 1
R-3491-GG Airport Catch Basin Frame, Grate 21 2-1/2 24 33-1/2 5 1-1/2 1 2-7/8 1
R-3491-GL Airport Catch Basin Frame, Grate 21 2-1/2 24 33-1/2 5 1-1/2 1 2-7/8 1
R-3491-AG Airport Catch Basin Frame, Grate 21 2-1/2 18 27-1/2 5 1-1/4 1 2-7/8 1
R-3491-AL Airport Catch Basin Frame, Grate 21 2-1/2 18 27-1/2 5 1-1/4 1 2-7/8 1
All dimensions are listed in inches unless otherwise noted.
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