Calibre CA3300 OHO Series Door Closer
CA3300-BO Series Overhead Concealed Closer Adjustable Spring Tension (Body Only)
Door Closer Functions:
Built-in positive Back Stop and Hold-Open positions are available;
Models: - Description CA3310 – 105° Back Stop with Hold-Open
CA3311 – 105° Back Stop -NO Hold-Open
CA3312 – 90° Back Stop with Hold-Open
CA3313 – 90° Back Stop -NO Hold-Open
Handicap (ADA) multi-sized closers with adjustable spring power for a range of sizes after installation.
Underwriters' Laboratories Inc. Listed for units without hold open feature. UL10C for positive pressure and certified to conform to UBC 7.2 (1997) BS476 for Fire Safety.
Adjustable CA3010-DP dual purpose radial ball-bearing bottom pivot set is for floor or threshold mounted (Side or End Loading) center pivoted installation, must be ordered separately.
CA3010-G and CA3010-GE bottom pivot sets are optional, must be ordered separately.
Universal application. Non-handed for left or right door application.
Installs in an aluminum storefront header or transom as small as 1-3/4" x 4"
Positive cam centering for alignment and to hold door closed against normal wind or draft conditions.
Stable hydraulic door check fluid for any climatic operation and provides constant lubrication.
The 3300-20 Series is the standard 3300 OHC door closer assembled with an Extended Spindle Shaft (17/64" longer than standard).
Dual Speed Control Valves :
Closing and Latching speeds controlled by separate regulating valves, adjustable after installation.
ADA Opening Force Requirements
Caution: Any manual door closer, installed and adjusted based on ADA or other reduced opening force requirements may not provide sufficient power to reliably close and latch the door.