Details
REPLACEMENT BODIES ONLY
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Product Brochure
All floor-concealed door closers shall be DORMA BTS80 Series employing a cam and roller mechanism. The closers shall be capable of controlling interior or exterior doors weighing up to 660 pounds and measuring up to 4'-0" wide exterior and 4'-6" interior. The closers will have a selectable multipoint hold open between approximately 75º and 175º. The closers will have selectable delayed action to allow delayed closing from 175º to 75º. The closers will have a mechanical backcheck at approximately 70º. Dual valve adjustment will provide a controlled closing speed from approximately 175º opening range, even in cold temperature conditions. The closer will provide adjustment within the cement case to allow lateral and longitudinal adjustment of 1/4" and vertical height adjustment of 5/32". Field interchangeable spindles will be available to provide bottom door clearances ranging from 5/16" to 2-5/16".
Available in Ansi 3, Ansi 4, and Ansi 6 - bodies only
Ansi 3 = Up to a 3'-0" Exterior Door or 3'-6" Interior Door
Ansi 4 = Up to a 3'-6" Exterior Door or 4'-0" Interior Door
Ansi 6 = Up to a 4' Exterior Door or 4'-6" Interior Door
Technical Data
• 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.
• Optional sealing compound SC-1 prevents water or cleaning
solvent from entering the cement case.
• If door hardware or adjacent structures interfere with
maximum opening, an auxiliary stop should be installed.
• Closer body is non-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.