International Door Closers Model 311 with
- 105 Degree Backstop No Hold-Open - Multi-sized closer w/Adjustable Spring Power for range of sizes.
- Adjustable OHC from 8.5lbs of Opening Force to medium spring tension..
- Adjustable after installation. Closing and Latching speeds controlled by separate regulating valves..
- ADA (Handicap) with 8.5 lb opening force for use on center pivoted installations - UL Listed.
- Stable hydraulic door check fluid for any climate. Two Speed Control Valves fully adjustable..