Calibre CA3300 Overhead Concealed Door Closer Series
- Adjustable Spring Power - Center Hung -
Built-in positive Back Stop and Hold-Open positions are available;
Center Hung Models: - Function
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
Offset Hung Models: - Function
CA3310 with "JO" or "VO" arm - 105* Back Stop with Hold-Open
CA3311 with "JO" or "VO" arm - 105* Back Stop -NO Hold-Open
CA3312 with "JO" or "VO" arm - 90* Back Stop with Hold-Open
CA3313 with "JO" or "VO" arm - 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 provided for floor or threshold mounted (Side or End Loading) center pivoted installation.
CA3010-G and CA3010-GE bottom pivot sets are optional, and 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 :
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.