Airport Castings : Manhole Frames & Lids

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

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Catalog Number Description A AA B C E F Lid/Grate Material
R-3499 Airport Utility Frame, Double Iron Cover 50 x 50 N/A 1-3/4 48 x 48 59 x 59 8 Ductile Iron
R-3497-A Airport Manhole Frame, Lid 31-1/2 x 19-1/2 N/A 1-1/2 30 x 18 36 x 24 4 Gray Iron
R-3495 Airport Manhole Frame, Ductile Iron Lid, Bolted/Gasket Sealed 21-1/2 x 21-1/2 23-1/2 x 23-1/2 1-1/2 18 x 18 24 x 24 8 Ductile Iron
R-3494 Airport Manhole Frame, Ductile Iron 4-piece Lid 61-3/4 x 36-3/4 N/A 1-1/4 51-1/2 x 34 69 x 40 6-1/8 Ductile Iron
R-3493-A Airport Manhole Frame, Solid Lid 23-5/8 N/A 1-1/4 21 31-1/2 8-9/16 Gray Iron
R-3492-C Airport Manhole Frame, Solid Lid 38 N/A 1-1/2 36 37-5/16 10 Ductile Iron
R-3492-B Airport Manhole Frame, Solid Lid 38 N/A 1-1/2 36 49 4-1/2 Ductile Iron
R-3492-A Airport Manhole Frame, Lid 32-3/8 39-1/2 2 30 42 9 Ductile Iron
R-3492 Airport Manhole Frame, Lid 27 33-1/2 2-1/2 24 36 9 Gray Iron
All dimensions are listed in inches unless otherwise noted.
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