Dormakaba BTS80 B-4-74010 - Floor Concealed Closer Package - Double Acting - Size 4 - 3/4" Spindle

Dormakaba *BTS80 B-4-74010 - Floor Concealed Door Closer  Package - Double Acting - Wood or Steel Door and Frame -Spring Size 4 - 3/4" Spindle.*

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

Closer and Cement Case:BTS 80 Top Pivot: 8062

Bottom Arm:7421

Spindle:74010

Cover Plate:7410

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:Dormakaba BTS80, BTS80B Kit, BTS80B626,BTS80B4 BTS80B74010

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