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 Description Grate Type Square Feet Open Weir Perimeter Lineal Feet
R-3481 Airport Inlet, Double Grate C 3.3 12
R-3480-A Airport Drainage Inlet Frame, Single Grate A 1.6 8.5
R-3480 Airport Drainage Inlet Frame, Double Grate C 3.3 12.7
R-3477-A Airport Drainage Inlet Frame, Double Grate C 3.3 12.3
R-3475-H Airport Drainage Inlet Frame, Quad Ductile Iron Grate C 9.6 21.8
R-3475-G Airport Drainage Inlet Frame, Triple Ductile Iron Grate C 7.2 17.8
R-3475-F Airport Drainage Inlet Frame, Double Ductile Iron Grate C 4.8 13.8
R-3475-E Airport Drainage Inlet Frame, Single Ductile Iron Gate A 2.4 9.8
R-3475-A Airport Drainage Inlet Frame, Deep Vertical Bar Grate A 2.7 9.8
R-3475-3 Airport Drainage Inlet Frame, Double Grate A 4.1 13.7
R-3475 Airport Drainage Inlet Frame, Deep Vertical Bar Grate A 2.7 9.8
All dimensions are listed in inches unless otherwise noted.
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