International Door Closers 233-S Medium Spring Tension Overhead Door Closer, 90 Back Stop, No Hold Open

International Door Closers 233-S Overhead Door Closer combines functionality and reliability with its medium spring tension design. This unit features a 90-degree back stop without a hold-open function, making it ideal for various applications where controlled closure is essential. The adjustable dual-purpose 3010-DP bottom pivot set accommodates both floor and threshold mounting, while the 3010-FS anchor set ensures secure installation with all necessary fasteners included. Designed with user convenience in mind, the 233-S offers two speed control valves that allow separate regulation of closing and latching speeds, fully adjustable post-installation. Its stable hydraulic door check fluid ensures consistent performance across varying climates, providing constant lubrication for longevity. This overhead closer fits seamlessly into aluminum headers or transom bars as compact as 1-3/4" x 4", ensuring a clean aesthetic without compromising on strength. The positive centering feature enhances door alignment and keeps it securely closed against wind or drafts, making it an excellent choice for both residential and commercial environments. With options for side loading and various pivot sets, the International Door Closers 233-S is versatile and adaptable, meeting the needs of professionals and discerning homeowners alike.

Overhead Door Closer Medium Spring Tension, 90 Degree Back Stop w/ No Hold Open and Two Adjustment Valves

Complete units for aluminum doors and frames are furnished with top arm assembly (adjustable ‘S’ side loading, "A" end loading, "K" end loading or "PT" end loading), adjustable dual purpose 3010-DP bottom pivot set for floor or threshold mounting (side or end loading) and 3010-FS anchor set with all fasteners. 3010-G and 3010-GE bottom pivot sets are available, but must be ordered separately.

Features:

• Built-in positive back stop and hold-open positions available:
• 230: 105° Back stop with hold-open
• 231: 105° Back stop - no hold-open
• 232: 90° Back stop with hold-open
• 233: 90° Back stop - no hold-open
• ADA spring tensions available for use on center pivoted applications:
• 5 lb. opening force (interior door)
• 8-1/2 lb. opening force (exterior door)
• Standard spring tensions available: Light, medium & heavy
• Two speed control valves
• Closing and latching speeds controlled by separate regulating valves, fully adjustable after installation.
• Fits in an aluminum header or transom bar as small as 1-3/4" x 4".
• Positive centering for alignment and to hold door closed against any normal wind or draft.
• Stable hydraulic door check fluid for any climatic operation and constant lubrication.
• "S" type side loading top arms and 3010-DP adjustable dual purpose pivot set and 3010-FS anchor set will be furnished unless otherwise specified.
• "A" type, "K" type or "PT" type end loading and "JO" or "VO" type offset arms are optional, but must be specified.
• "G" and "GE" type pivot sets are available, but must be ordered separately.