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NGP 320NA Automatic Door Bottom | Aluminum
The National Guard Products 320NA is a commercial automatic door bottom (full mortise). Housing 1-1/2" x 3/4", max drop 5/8". Insert: Black Neoprene. Finish: Aluminum.
BHMA A156.22 Grade 1 (1,000,000-cycle). Mortise ADBs are non-handed and are furnished 1/2" shorter than ordered. Fits a 1-5/8" x 3/4" channel (a furring strip may lower the ADB in a deeper channel). Field-cut up to 1-1/2". Available 12" to 60". End caps are not available on 320. Catalog fire ratings for 320 apply to metal doors only.
Technical Specifications
| Model | NGP 320NA |
| Type | Automatic Door Bottom |
| Mounting | Full Mortise |
| Housing | 1-1/2" x 3/4" |
| Max drop | 5/8" |
| Insert | Black Neoprene |
| Finish | Aluminum |
| Available Lengths | 36", 42", and 48" |
| Fire listing | Non-Rated on this listing (BHMA A156.22 Grade 1; no UL file cited) |
Ordering & Lead Time
Made to order (not stocked). Lead time: 5-7 business days.
| Length | 36 Inch or 42 Inch or 48 Inch |
| Brand | National Guard Products |
| Bottom Weatherseal Type | Automatic Door Bottom |
| Housing Finish | Aluminum |
| Fire Rated | Non-Rated |
| Insert Material | Neoprene |
| Mounting Type | Full Mortise |
| Sweeps, Door Bottom or Rain Drip | Door Bottom |
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