Dormakaba BTS80D4-626 LH Heavy Duty Concealed Floor Closer LH/RHR, Spring Size 4, Satin Chrome

DormaKaba Architectural Hardware BTS80D4-626 LH Heavy Duty Concealed Floor Closer LH/RHR Package offers a robust solution for managing heavy doors in both residential and commercial settings. This floor closer is engineered for versatility, accommodating doors weighing up to 660 lb and measuring up to 4'-6" wide for interiors and 4'-0" for exteriors. Its compact 2-3/8" deep body allows for installation in thin slab concrete constructions, making it ideal for a variety of architectural designs. The BTS80D4 features controlled closing with two adjustable valves, ensuring smooth operation even in high-traffic environments. The mechanical backcheck adds an extra layer of safety by preventing the door from swinging too far open, while the selectable delayed action between 175-deg and 75-deg enhances user convenience by extending the closing cycle for unobstructed passage. This non-handed closer supports both single and double-acting doors, allowing for seamless integration into diverse applications. With a satin chrome finish, this model not only performs reliably under adverse conditions but also adds a touch of elegance to any entrance. For building professionals seeking a dependable and aesthetically pleasing door closer, the BTS80D4-626 is an exceptional choice that balances functionality and design.

Heavy Duty Concealed Floor Closer LH/RHR Package, Spring Size 4, Controlled Closing with Two Adjustable Valves, 626/US26D Satin Chrome

The BTS80 Series of floor-concealed door closers offer 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.

• Versatile and adaptable: 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.
• Applications: 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:

• Concealed installation
• Fixed spring sizes
• Non-handed for single and double-acting doors
• Mechanical backcheck

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.
• Closer body is non-handed.
• Mechanical backcheck at approximately 70-deg (excluding size 3, where backcheck is removed to meet barrier-free through 90-deg of opening for easier passage).
• Selectable delayed action between 175-deg and 75-deg. 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-deg.
• Selectable multipoint hold open between approximately 75-deg and 175-deg.
• Adjustment for start of hold open range or when delayed action releases. Adjustable between 75-deg and 105-deg.

Spindles:

• Offset Spindles: Spindles are available with a 3-deg offset for additional pressure to hold door in the closed position. Normally, this is only necessary for center-pivoted single acting applications. However, they can also be used with other applications to compensate for templating errors. Specify hand of offset spindle when ordering.
• Cover Plate: Universal cover plate 7410, suitable for left hand/right hand, 3/4" offset, 1-1/2&t; offset, and center pivoted doors. Material is stainless steel or brass depending on the plated finish specified.

Finishes:

• Optional Plated Finishes
• Brass: 605 (Bright) or 606 (Satin).
• Bronze: 611 (Bright), 612 (Satin), or 613 (Oxidized Satin Oil Rubbed).
• Nickel: 618 (Bright) or 619 (Satin).
• Chrome: 625 (Bright) or 626 (Satin).
• Standard Sprayed Finishes
• Aluminum: 689.
• Bronze: 691 (Dull), 690 (Statuary), or 695 (Dark Duranodic).
• Gold: 696.
• Black: 693.
• Optional DORMA Custom Color or Designer Color Finishes
• Special Order

Resources

• Cut Sheet
• User Guide