Product Description
Details
• Single Acting
• 3 Hour Rated Fire Door & Frame
• Compact closer body and cement case 2-3/8" deep suited for thin slab concrete construction.
• Accommodates doors weighing up to 660 pounds and 4'-6" wide interior and 4'-0" exterior.
• Closer adjustment in cement case provides lateral and longitudinal adjustment of 1/4" and height adjustment of 5/32".
• A pressure relief valve protects closer from damage caused by forced closing.
• If door hardware or adjacent structures interfere with maximum opening, an auxiliary stop should be installed.
BTS80 Technical Details:
• Closer body is handed.
• Mechanical backcheck at approximately 70º.
• Selectable delayed action between 175º and 75º. Extends the closing cycle to allow unobstructed passage.
• Delayed action is functional when hold open is not engaged.
• Dual thermostatic control valves combined with special hydraulic fluid provide controlled closing from 175º.
• Selectable multipoint hold open between approximately 75º and 175º.
• Adjustment for start of hold open range or when delayed action releases. Adjustable between 75º and 105º.
Additional Information
Additional Information
| Manufacturer | Dorma |
|---|---|
| Model | BTS80/F |
| Size | 2 for 26"-34" Door Width, 3 for 24"-30" Door Width |
| Mounting | Floor-Concealed |
| Hand | Handed |
| U.L. Listed | The Dorma BTS80 F Series is listed by U.L. and C.U.L. |
| ANSI/BHMA | ANSI A156.4 Grade 1 |
| Warranty | 25 Years |
| Weight | 25.0000 |
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Product Downloads
 |
Dorma BTS80 Applications Sheet (Size: 883.9 KB) |
|
Dorma BTS80 Specification Sheet (Size: 223.7 KB) |
