Product Description
451H-SPBLK Glynn Johnson 450 Series Medium Duty Surface Overhead Hold Open in Black Finish
The Glynn Johnson 451H-SPBLK 450 Series surface overhead door holder are designed for the medium to light duty applications and provides protection for the door, frame, hinges and surrounding walls. These models offer the widest variety of functions, materials and finishes to fit all medium to light-duty applications. These models provide the most complete line of overhead holders and stops, offering solutions for the most demanding door control problems. and templates provided allow for variable mounting positions, ranging from 85 to 110 degrees of opening. The 450 series is constructed from stainless steel material and provides durable life and is easy to install.
These models conveniently hold doors open at a predetermined position, permitting unobstructed traffic flow. The hold-open tension can be adjusted using An allen wrench through the end of the slider located in the channel at the top of the door.
Features and Benefits:
- Black finish
- Non handed
- Surface overhead
- Hold open medium duty
- 450 Series
- For the interior applications
- Single acting doors
- Improved corrosion resistance
- Door openings with a range of 18"-23"
- Improved compatibility with door closers
