Dormakaba BTS80 - Floor Concealed Door Closer Body - Double/Single Acting

Dormakaba *BTS80 - Floor Concealed Door Closer Body -Double/Single Acting*

Size 3:Exterior 2'-6" -3'-0"  - Interior 2'-6" -3'-6"

Size 4:Exterior 2'-6" -3'-6"  - Interior 2'-6" -4'-0''

Size 3:Exterior 3'-6" -4'-0"  - Interior 4'-0" -4'-6"

Closer and Cement Case:BTS 80

Technical Details:

. Compact closer body and cement case 2-3/8" deep suited for thin slab concrete construction. . Accommodates doors weighing up to 660 lb 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 SC2 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 70 degree ; (excluding size 3, where backcheck is removed to meet barrier-free through 90 Degree of opening for easier passage). . Selectable delayed action between 175 Degree and 75 Degree. 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 175 Degree. . Selectable multipoint hold open between approximately 75 Degree and 175 Degree. . Adjustment for start of hold open range or when delayed action releases. Adjustable between 75 Degree and 105 Degree.

Model:Dorma BTS80, BTS80 Body, BTS80, BTS803. 

Dormakaba BTS80 Series employing a cam and roller mechanism. The closers shall be capable of controlling interior or exterior doors weighing up to 660 lb and measuring up to 4'-0" wide exterior and 4'-6" interior. The closers will have selectable multipoint hold open between approximately 75 Degree and 175 Degree. The closers will have selectable delayed action to allow delayed closing from 175 Degree to 75 Degree. The closers will have mechanical backcheck at approximately 70 Degree. Dual valve adjustment will provide controlled closing speed from approximately 175 Degree 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".

Related Categories

• Overhead Concealed Closers