CRL 8770S 105 Hold Open Adjustable Concealed Overhead Door Closer S-Package

CRL 8770S 105 Hold Open Adjustable Concealed Overhead Door Closer S-Package

C.R. Laurence 8770S 105 Hold Open Adjustable Spring Power Overhead Concealed Door Closer S-Package offers a sophisticated solution for managing door accessibility while adhering to A.D.A. opening force requirements. This versatile door closer is designed for doors ranging from 36" to 42", making it an ideal choice for both commercial and residential applications. The adjustable spring power allows for customization of spring tension, accommodating a minimum opening force of 8-1/2 lbs. This ensures optimal performance tailored to specific site conditions. With independent dual-action valves, you can control both the closing and latching speeds, enhancing user experience. The 105° hold open capability provides added convenience for high-traffic areas. Installation is straightforward, featuring an adjustable dual-purpose bottom pivot set for floor or threshold mounting. Designed to fit standard 1-3/4" x 4" (44 x 102 mm) extrusions, it seamlessly integrates into various architectural styles. The door closer is UL listed and backed by a 5-year limited warranty, ensuring reliability and peace of mind. Constructed from durable aluminum, this product is suitable for aluminum and hollow metal doors, supporting a maximum weight of 200 lbs. For added protection, it is recommended to use an auxiliary door stop to prevent damage from over-extension. Choose the CRL 8770S for a blend of functionality and elegance.

105 Hold Open Adjustable Spring Power Overhead Concealed Door Closer S-Package

• Suitable for Doors from 36" to 42" to Meet A.D.A. Opening Force Requirements
• Adjustable Dual-Purpose Bottom Pivot Set for Floor or Threshold Mounting
• For Doors with 1/2" (13 mm) Top Rail Depth
• 5 Year Limited Warranty
• UL Listed

The CRL Adjustable Spring Power Overhead Concealed Door Closer is available to meet A.D.A. Opening Force requirements. Available as a body only with mounting clips to retrofit existing non-adjustable door closer installations, and as complete packages that includes the Door Closer, Mounting Clips, Type S-Side Load Arm or Type A-End Load Arm, and a DP-Adjustable Dual-Purpose Bottom Pivot Set or GE-Pivot Set. The Door Closer has independent, dual-action valves to control closing and latching speeds. Both 90º and 105º Hold Open and No Hold Open models are available. Door Closer Bodies fit into standard 1-3/4" x 4" (44 x 102 mm), or larger, extrusions. Door Closers with different spring sizes or hardware options are available.


Adjustable Spring Power
Allows adjustment of spring tension from a minimum of 8-1/2 lbs. opening force to a medium spring size to accommodate site conditions and requirements.

Independent Adjustment Valves
Non-Critical valve control adjusts both Closing Speed and Latching Speed independent of each other.

Special Retaining Rings
Prevent the Adjustment Valve Screws from being backed all the way out of the Door Closer Body.

NOTE: An auxiliary floor or overhead door stop is recommended to prevent possible damage to both the door closer and entry way due to over-extension of maximum allowable door swing.


Product Warning:

Closers set to comply with A.D.A. specified opening forces might not provide adequate spring power to control and close the door due to varying site conditions and door size.

Resources

• Door Closer Warranty
• How to Order Overhead Concealed Closers.pdf
• OHC Spring Power Adjustment CRL OHC SPRING POWER ADJUSTMENT.pdf
• OHC Template Instructions CRL OHC TEMPLATE INSTRUCTIONS.pdf