DormaKaba Architectural Hardware

The BTS80 series of floor concealed door closers offers adaptability to almost any installation. The closer’s compact body permits its use where a larger closer would be prohibitive. Versatility allows installation in thin slab concrete subfloor construction. A wide selection of interchangeable spindles makes the BTS80 suitable for virtually any floor covering or threshold application. Because the BTS80 can control exceptionally heavy single- and double-acting doors, you can incorporate the floor closer into almost any design to meet most materials, size, and weight requirements. Trouble-free performance under adverse climatic and traffic conditions makes the BTS80 floor-concealed closer dependable and a perfect choice for even the most rigorous applications. For total control and uncompromising creativity for any door opening, specify a BTS80 floor-concealed closer.

Features:

• Because the BTS80 can control exceptionally heavy single- and double-acting doors, you can incorporate the floor closer into almost any design to meet most materials, size, and weight requirements.
• Trouble-free performance under adverse climatic and traffic conditions makes the BTS80 floor-concealed closer dependable and a perfect choice for even the most rigorous applications. For total control and uncompromising creativity for any door opening, specify a BTS80 floor-concealed closer.
• Concealed installation
• Fixed spring sizes
• Non-handed for single and double-acting doors
• Mechanical backcheck

Applications:

• A: CH Double acting, aluminum door and frame
• B: CH Double acting, wood or steel door and frame
• C: 1-1/2" Offset, handed
• C-E: 1-1/2" Offset, 20min rated handed
• C-F: 1-1/2" Offset, 3h rated handed
• D: 3/4" Offset, handed
• E: 3/4" Offset, 20min rated handed
• F: 3/4" Offset, 3h rated handed
• G: CH Single acting, aluminum door and frame
• H: CH Single acting, wood or steel door and frame
• I: Independent hung, non-handed
• IF: Independent hung, up to 3h rated, non-handed
• L: 3/4" Offset lead lined, handed. The standard door thickness is 1-3/4", and is the default unless otherwise specified.
• L-E: 3/4" Offset lead lined, — 20min rated handed. The standard door thickness is 1-3/4", and is the default unless otherwise specified.
• L-F: 3/4" Offset lead lined, 3h rated handed. The standard door thickness is 1-3/4", and is the default unless otherwise specified.
• P: Independent hung on pocket pivots, non-handed
• PF: Independent hung on pocket pivots, up to 3h rated, non-handed

Specifications:

• 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 70º (excluding size 3, where backcheck is removed to meet barrier-free through 90° of opening for easier passage).
• 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.

Finishes:

• 605 - Bright brass
• 606 - Satin brass
• 611 - Bright bronze
• 612 - Satin bronze
• 613 - Oxidized satin oil rubbed bronze
• 618 - Bright nickel
• 619 - Satin nickel
• 625 - Bright chrome
• 626 - Satin chrome
• 689 - Aluminum
• 691 - Dull bronze
• 690 - Statuary bronze
• 695 - Dark duranodic bronze
• 696 - Gold
• 693 - Black