Dormakaba RTS88-90HO689 OHC Closer Body Size 3, 90 Hold Open, 689/US28 Powder Coated Aluminum

DormaKaba Architectural Hardware RTS88-90HO689 Overhead Concealed Closer Body Only Size 3 offers an elegant solution for those seeking the aesthetic benefits of a concealed door closer. Designed to seamlessly blend into various architectural styles, this unit effectively hides its mechanism while providing reliable operation. The RTS88 is particularly advantageous for entrances prone to vandalism, serving as an excellent replacement for surface-mounted closers. This overhead concealed closer is suitable for both single and double-acting doors, making it versatile for diverse applications. Contractors appreciate the RTS88 for its ease of installation; most door and frame preparations are completed prior to installation, minimizing on-site machining needs and streamlining the process. The RTS88 features a dependable hold-open function at a 90-degree angle, enhancing accessibility while maintaining security. Constructed from durable cast iron and finished in a sleek aluminum powder coat (689/US28), it combines strength with contemporary design. Non-handed, this closer accommodates various door types, including aluminum, steel, and wood. With a maximum opening of 90 degrees and a size 3 spring tension, the RTS88-90HO689 is engineered for consistent performance. Enhance your project with this sophisticated and practical overhead concealed closer from DormaKaba.

Overhead Concealed (OHC) Closer Body Only Size 3, 90 Degree Hold Open, 689/US28 Powder Coated Aluminum

• Aesthetic Advantages: The Dorma RTS88 overhead concealed door closer offers the perfect solution for those who prefer the aesthetic advantages of a concealed door closer.
• Vandalism Protection: The RTS88 is an excellent replacement closer for problem entrances encountering vandalism of surface applied closers.
• Benefits for the Contractor: Contractors appreciate the RTS88 closer, because the majority of door and frame preparation is done prior to installation of the unit, resulting in less on-site machining.

Features:

• Concealed installation
• For single and double-acting doors
• Dependable and easy to Install

Arms:

• 8812: Offset slide arm and channel for aluminum, steel, or wood doors, hung on 3/4" offset pivots or 4-1/2" wide butt hinges. Requires a minimum 3/4" top door rail channel depth.
• 8836S: End load arm specifically designed for tempered glass doors with a short top rail (patch fitting). Requires a minimum 7/8" top door rail channel depth.
• 8837K: End load arm specifically designed to match templating of Kawneer end load arm.
• 8831: Standard side load arm for aluminum or steel doors. Requires a minimum 1/2" top door rail channel depth.
• 8832: Side load arm with channel for wood doors. Requires a 5/8" mortise depth.

Cover Plates:

• 8563: Cover plate for RTS Series closer when installed in aluminum header.
• 8575: Cover plate for RTS Series closer when installed in steel header.
• 8561: Cover plate for RTS Series closer when installed in wood header.

Pivots:

• 8570: Adjustable side load floor pivot set for bottom door rail channel depth of 1-15/16". Base can be shortened for 1-9/16" bottom door rail channel depth. Bottom door clearance is adjustable from 5/16" to 1/2". Maximum weight capacity is 200 lb.
• 8856: Adjustable end load threshold pivot set for bottom door rail channel depth of 1-3/8". Bottom door clearance is adjustable from 3/16" to 7/16". Maximum weight capacity is 200 lb.
• 8572: Adjustable side load threshold pivot set for bottom door rail channel depth of 1-9/16". Bottom door clearance is adjustable from 3/16" to 3/8". Maximum weight capacity is 200 lb.
• 7471K/7421: Side load floor pivot set. Requires a 1-1/8" mortise depth. Provides a bottom door clearance of 5/16". Weight capacity when used with RTS Series closer is 250 lb. Recommended for wood doors or any door weighing in excess of 200 lb.
• 8852: Adjustable end load floor pivot set for bottom door rail channel depth of 7/8". Bottom door clearance is adjustable from 3/8" to 5/8". Maximum weight capacity is 200 lb.
• 8853: Adjustable end load floor pivot set for bottom door rail channel depth of 1-9/16". Bottom door clearance is adjustable from 1/4" to 1/2". Maximum weight capacity is 200 lb.
• 8855: Adjustable end load threshold pivot set for bottom door rail channel depth of 7/8". Bottom door clearance is adjustable from 3/16" to 7/16". Maximum weight capacity is 200 lb.
• 8857: Adjustable end load threshold pivot set for bottom door channel depth of 1-9/16". Bottom door clearance is adjustable from 3/16" to 7/16". Maximum weight capacity is 200 lb.

Accessories:

• 8820J: Conversion bracket for replacement of existing overhead concealed closers. Utilizes existing side jamb mounting bracket to anchor RTS Series closer.
• 8521E: Add-on spindle extension increases distance between closer and door by 1-3/16" (30 mm).
• 8532: Steel header mounting channel. Provides reinforcement required to install the RTS Series closer in an open-throat header.
• 8511: Offset slide arm cover. Conceals No. 8812 slide arm when door is in the closed position. The extruded aluminum cover is 48-1/4" long and is field-sized as required. Specify hand.

Resources

• Cut Sheet
• User Guide