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NGP HD4100DKB-LL Concealed Swing-Clear Geared Continuous Hinge | Lead-Lined Dual-Row | Dark Bronze Anodized
The National Guard Products HD4100DKB-LL is the lead-lined dual-row version of the HD4100DKB concealed swing-clear geared continuous hinge. Mount: concealed swing-clear, 1/16 inch door inset, covers existing butt-hinge preps, for 1-3/4 inch doors. NGP does not publish a separate product-detail URL for LL; HD4100DKB-83 on ngp.com and catalog CH8 describe the LL model. This listing is the LL model (doors up to 1,000 lb, dual-row hole pattern), dark bronze anodized. The standard HD4100DKB (600 lb) is a separate listing. Standard lengths on this listing: 83, 85, and 95 inch.
Product Features
- Aluminum alloy 6063-T6; Anodized after machining
- Dark bronze anodized finish
- Specially designed involute intermeshing gears
- Proprietary teflon infused self-lubricating wear resistant bearings
- No hinge reinforcement necessary except on extremely heavy, extremely high frequency or extra wide doors
- Lifetime of the door opening warranty
- #12-24 TEK MS
- This listing is the LL model: lead-lined dual-row hole pattern for doors up to 1,000 lb
- Standard lengths on this listing: 83, 85, and 95 inch
- Note: For Door Sizing Refer to Installation Instruction
Standards
- ANSI/BHMA certified to A156.26 American National Standard for Continuous Hinges: Grade 1 - 600 lb. door.
- Fire-rated 90-minute on hollow metal (except steel stiffened) or wood door leafs up to 4'0" x 8'0" and steel stiffened doors up to 4'0" x 7'2"
- Factory and catalog state the fire rating; no UL file number is printed.
Technical Details
| Manufacturer | National Guard Products |
| Model | NGP HD4100DKB-LL |
| Factory subtitle | Concealed Swing-Clear Continuous Geared Hinge 1/16" Door Inset for 1-3/4" Doors |
| Type | Concealed Swing-Clear Geared Continuous Hinge, lead-lined dual-row |
| Mount | concealed swing-clear, 1/16 inch door inset, covers existing butt-hinge preps, for 1-3/4 inch doors |
| Material | 6063-T6 aluminum, anodized after machining |
| Finish on this listing | DKB - Dark Bronze Anodized |
| Duty / BHMA | ANSI/BHMA A156.26 Grade 1 - 600 lb door (factory standards) |
| LL capacity | Doors up to 1,000 lb; lead-lined dual-row hole pattern (this listing) |
| Continuous Hinge Grade | Extra Heavy Duty - Lead Lined |
| Fire listing | 90-minute as stated by NGP (no UL file number printed) |
| Fasteners | #12-24 TEK machine screws |
| Standard lengths | 83, 85, 95 inch |
| Warranty | Lifetime of the door opening |
| Options not on this listing | ALHT, cut to net length, Dutch door prep, ETW8/ETW12, EPT prep |
Ordering and Lead Time
Order by length. This listing is HD4100DKB-LL, dark bronze anodized. Made to order. Lead time: 5-7 business days.
| Length | 83 Inch or 95 Inch or 85 Inch |
| Brand | National Guard Products |
| General - US Finishes | 313 - Dark Bronze Anodized |
| Hinge Type | Concealed, Continuous Hinge, Swing Clear |
| Continuous Hinge Grade | Extra Heavy Duty - Lead Lined |
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