Product Overview

Calibre 3300-20 Extended Spindle Series Overhead Concealed Closer
Center Hung

Back Stop / Hold Open	XX-Light - ADA 5LB Spring Tension (Adjustable)
105 Degree Hold Open
105 Degree NO Hold Open
90 Degree Hold Open
90 Degree NO Hold Open

Offset Hung

Back Stop / Hold Open	XX-Light - ADA 5LB Spring Tension (Adjustable)
105 Degree Hold Open
105 Degree NO Hold Open
90 Degree Hold Open
90 Degree NO Hold Open

Center Hung Door Application:
Double or Single Acting (applied door stop renders unit Single Acting). Adjustable ‘S’ type side loading or ‘A’ type, ‘K’ type, and ‘PT’ type end loading arms are available for center pivoted door applications.

Offset Hung Door Application:
Single Acting Offset ‘JO’ and ‘VO’ type top arms are available for butt hung or offset pivoted applications. Note : Offset arm application geometry increases the effective spring tension in some instances thereby possibly exceeding the 5 lb. Opening Force requirements.

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.
Dual Speed Control Valves: Closing and Latching speeds controlled by separate regulating valves, fully adjustable after installation.
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 Series OHC door closer assembled with an Extended Spindle Shaft (17/64" longer than standard).
Complete units for aluminum doors and frames are furnished with top arm assembly (‘S’ side loading, ‘A’, ‘K’, or ‘PT’ end loading), adjustable dual purpose CA3010-DP bottom pivot set for floor or threshold mounting (side or end loading), and CA3010-FS anchor set with all fasteners. ‘S’ type side loading top arm, CA3010-DP adjustable dual purpose pivot set, and the CA3010-FS anchor set will be furnished unless otherwise specified by the customer. ‘A’ type, ‘K’ type or ‘PT’ type end loading, and ‘JO’ or ‘VO’ type offset arms are optional, but must be specified.