International Door Closers D233-S Medium Spring Overhead Door Closer, 90 No Hold Open, 3 Adjustment Valves

International Door Closers D233-S Overhead Door Closer is engineered for medium spring applications, providing reliable performance with a 90-degree back stop and no hold-open feature. This unit is ideal for both aluminum doors and frames, ensuring a seamless installation with an adjustable ‘S’ side loading top arm and a dual-purpose bottom pivot set that accommodates various mounting options. Designed for durability, the D233-S boasts a leak-free guarantee, making it suitable for demanding conditions. A steel spring cap, enhanced by a high-performance O-ring and epoxy-sealed threads, offers double protection against leaks. The innovative heavy-duty spindle seal replaces standard O-ring technology, elevating its reliability. With three fully adjustable control valves for closing speed, latching speed, and back check, you can tailor the door's operation to your specific needs. This model is compatible with center hung doors and features ADA spring tensions for accessibility, ensuring an opening force of just 5 lbs for interior doors and 8-1/2 lbs for exterior doors. The stable hydraulic fluid ensures smooth operation in any climate. Designed to fit headers or transom bars as compact as 1-3/4" x 4", the D233-S is a robust choice for your overhead door needs, delivering performance and stability in one sleek package.

Overhead Door Closer Medium Spring, 90 Degree w/ No Hold Open and Three 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. "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.

Features:

• I.D.C. provides leak-free guaranteed performance under the most demanding conditions.
• Steel spring cap is now on top of closer body utilizing a new high performance O-ring and epoxy sealed threads for double protection.
• New automotive type heavy duty spindle seal replacing old standard O-ring technology.
• All three adjustment valves now with two high performance O-rings for double protection.
• Steel end caps incorporating new high performance O-rings and also epoxy sealed threads for double protection.
• Adjustable back check after 80° to prevent the door from slamming open.
• Center Hung Doors: Double or single acting (door stop applied to frame renders unit single acting). Adjustable "S" type side loading or "A" type, "K" type and "PT" type end loading top arms are available for center pivoted applications.
• Built-in positive back stop and hold-open positions available:
• D230: 105° Back stop with hold-open
• D231:105° Back stop - no hold-open
• D232: 90° Back stop with hold-open
• D233: 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 and heavy
• Three control valves: Closing speed, latching speed and back check, 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.