Calibre CA2231-S-DP Medium OHC Closer, 105 Back Stop, Non Hold Open, Medium Spring Tension

Calibre Door Closers CA2231-S-DP offers robust security and efficient operation with its medium overhead concealed design. This unit features a 105-degree backstop and operates without a hold-open mechanism, making it ideal for environments where controlled access is necessary. Certified by Underwriters' Laboratories for positive pressure, it adheres to fire safety standards, ensuring reliable performance in emergency situations. Designed for versatility, the CA2231-S-DP can accommodate both center hung and offset hung door applications. It comes with adjustable spring tension options-light, medium, and heavy-allowing customization based on specific needs. The dual speed control valves provide separate adjustments for closing and latching speeds, enhancing usability after installation. Installation is straightforward, fitting into aluminum storefront headers or transoms as compact as 1-3/4" x 4". The non-handed design allows for flexibility in left or right door applications. The dual-purpose bottom pivot set facilitates floor or threshold mounting, ensuring stability in various settings. With features like positive cam centering to combat drafts and stable hydraulic door check fluid for consistent operation in any climate, the CA2231-S-DP is a dependable choice for ensuring security and accessibility in commercial and residential properties alike.

Medium Overhead Concealed (OHC) Closer, 105 Degree Back Stop, Non Hold Open (NHO), Medium Spring Tension, Dual Purpose Bottom Pivot

Features:

• 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.
• 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.
• Standard Fixed spring tensions available:
• Light
• Medium
• Heavy
• Dual Speed Control Valves: Closing and Latching speeds controlled by separate regulating valves, fully adjustable after installation.
• 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.

Functions:

• Built-in positive Back Stop and Hold-Open positions are available:
• 105-deg Back Stop with Hold-Open
• 105-deg Back Stop-no Hold-Open
• 90-deg Back Stop with Hold-Open
• 90-deg Back Stop-no Hold-Open
• Handicap (ADA) spring tensions available for use on center pivoted door applications:
• 5.0 lb. Opening Force (Center Hung door)
• 8.5 lb. Opening Force (Center Hung door)

Center Hung Doors:

• 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.

Offset Hung Doors:

• Complete units for offset pivoted or butt hung aluminum doors and frames are furnished with a 'JO' or 'VO' type offset arm and CA3010-FS anchor set with all fasteners.
• Note: Offset pivots or butt hinges not included. Top Door Stop / Arm Cover by others.

CA2200 Series Parts and Accessories: