The fully automatic 2848 Automatic Flush Bolt with Bottom Fire Bolt is for use on select fire rated metal doors. This product features low closing force, an override feature that prevents damage to doors or bolt if bolt head is blocked from entering strike, and a thermal lock that automatically locks the inactive door under high heat conditions due to fire. The bottom fire bolt eliminates the need for floor prep and its oversized fire bolt strike hole allows for slight door misalignment.
Product Overview
Features
- Low closing force
- Fully automatic: opening active door retracts top bolt
- Override feature prevents damage to doors or bolt if bolt head is blocked from entering strike
- Bolt head rod is adjustable up to 3/4"
- For fire rated metal doors labeled A, B, C, D & E up to 4' wide x 9' high
- Thermal lock automatically locks the inactive door under high heat conditions due to fire
Benefits
- Bottom fire bolt eliminates need for floor prep
- Automatically secures inactive door leaf when active door is closed
- Low closing force reduces effort needed to shut door
- Oversize fire bolt strike hole allows for slight door misalignment
- Adjustable bolt head rod allows for precise fit during installation
Specifications
- Base Material: Brass, Bronze, Stainless steel
- Fastener: 10 ea. #8 x 3/4" FH combo screws, 4 ea. plastic anchors
- Handing: Non-handed
- Weight: 1.3lbs.
- Top Bolt Length: 6 3/4"
- Top Bolt Width: 1"
- Bottom Bolt Diameter:13/16"