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Home//Municipal//Products//Airport Castings//Inlets
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.
R-3475
Airport Drainage Inlet Frame, Deep Vertical Bar Grate
| Catalog Number | Grate Type | Square Feet Open | Weir Perimeter Lineal Feet |
|---|---|---|---|
| R-3475 | A | 2.7 | 9.8 |
- Also avaliable with Special Type C solid cover.
- Also available with 3-1/2" adjusting frame
R-3475-3
Airport Drainage Inlet Frame, Double Grate
| Catalog Number | Grate Type | Square Feet Open | Weir Perimeter Lineal Feet |
|---|---|---|---|
| R-3475-3 | A | 4.1 | 13.7 |
R-3475-A
Airport Drainage Inlet Frame, Deep Vertical Bar Grate
| Catalog Number | Grate Type | Square Feet Open | Weir Perimeter Lineal Feet |
|---|---|---|---|
| R-3475-A | A | 2.7 | 9.8 |
R-3475-E
Airport Drainage Inlet Frame, Single Ductile Iron Gate
| Catalog Number | Grate Type | Square Feet Open | Weir Perimeter Lineal Feet |
|---|---|---|---|
| R-3475-E | A | 2.4 | 9.8 |
- Features easy-to-install one-piece frame.
R-3475-F
Airport Drainage Inlet Frame, Double Ductile Iron Grate
| Catalog Number | Grate Type | Square Feet Open | Weir Perimeter Lineal Feet |
|---|---|---|---|
| R-3475-F | C | 4.8 | 13.8 |
- Each grate has a free open area of approximately 2.4 square feet.
- Features easy-to-install one-piece frame.
R-3475-G
Airport Drainage Inlet Frame, Triple Ductile Iron Grate
| Catalog Number | Grate Type | Square Feet Open | Weir Perimeter Lineal Feet |
|---|---|---|---|
| R-3475-G | C | 7.2 | 17.8 |
- Each grate has a free open area of approximately 2.4 square feet.
- Features easy-to-install one-piece frame.
R-3475-H
Airport Drainage Inlet Frame, Quad Ductile Iron Grate
NOTE:
- Clear opening is 32" x 96"
- Frame height is 3-3/4"
- Use same grates as R-3475-G
| Catalog Number | Grate Type | Square Feet Open | Weir Perimeter Lineal Feet |
|---|---|---|---|
| R-3475-H | C | 9.6 | 21.8 |
- Each grate has a free open area of approximately 2.4 square feet.
- Frame/Grate units can be combined for longer length runs if specified.
R-3477-A
Airport Drainage Inlet Frame, Double Grate
| Catalog Number | Grate Type | Square Feet Open | Weir Perimeter Lineal Feet |
|---|---|---|---|
| R-3477-A | C | 3.3 | 12.3 |
- Anchors 12" on center.
R-3480
Airport Drainage Inlet Frame, Double Grate
| Catalog Number | Grate Type | Square Feet Open | Weir Perimeter Lineal Feet |
|---|---|---|---|
| R-3480 | C | 3.3 | 12.7 |
- Avaliable with solid Type C cover upon request.
R-3480-A
Airport Drainage Inlet Frame, Single Grate
| Catalog Number | Grate Type | Square Feet Open | Weir Perimeter Lineal Feet |
|---|---|---|---|
| R-3480-A | A | 1.6 | 8.5 |
- Avaliable with solid Type C cover upon request.
R-3481
Airport Inlet, Double Grate
Grate is supplied as Ductile Iron.
| Catalog Number | Grate Type | Square Feet Open | Weir Perimeter Lineal Feet |
|---|---|---|---|
| R-3481 | C | 3.3 | 12 |
All dimensions are listed in inches unless otherwise noted.
To order Neenah Foundry products, please call 800.558.5075.
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