Cal Royal 8840 Concealed Overhead Door Closer SKU 8840

Description

Cal Royal 8840 Concealed Overhead Door Closer – 90 Degree Back Stop with Hold-Open – Center Hung Doors

Spindle: 1/2″
Adjustable Dual Purpose Bottom Pivot Set
“PT” Type Adjustable End Loading Top Arm Assembly, 7/8″ Depth Top Rail
Dore Size: From 36″ to 48″ x 96″
ANSI A156.4 Grade 1: UL Listed
Cal-Royal’s finest concealed overhead door closer series meeting the highest industry standards Grade 1.
UL Listed for fixed size door closers. ( Grade 1 ) UL Listed 10c for adjustable door closers. ( Grade 1 )
Center Hung Door Application: Double or Single Acting ( applied door stop renders unit Single Acting )
Power Size: Adjustable 1 – 4 ADA 5 lbs ( Interior ) ADA 8.5 lbs ( Exterior )
Meets both 5 and 8.5 lbs opening force for ADA
Replacement for International, Calibre, and CR Laurence
Dual Speed Control Valves: Closing and Latching speeds controlled by separate regulating valves, fully adjustable after installation.
Universal application. Non-handed for left or right door application.
Adjustable dual purpose radial ball-bearing bottom pivot set is provided for floor or threshold mounted ( Side or End Loading ) center pivoted installation.
Installs in an aluminum storefront header or transom as small as 1-3/4″ x 4″.
Positive centering for alignment and to hold door closed against normal wind or draft conditions