450 Series Concealed Overhead Door Holder and Stop by Glynn-Johnson Hardware
Glynn-Johnson 450 Series Holders and Stops provide reliable and versatile surface-mounted overhead door control for all medium to light-duty applications. The visible components are available in a wide variety of architectural finishes to complement any design. The 450 Series Holders and Stops are designed for installation in virtually all types of doors and frames including doors with conventional butt hinges, offset pivots, continuous hinges, swing clear hinges and many other specialty hinges. The templates provided allow for variable mounting positions, ranging from 85°-110° of opening.
Hold-Open (H) - These models conveniently hold doors open at a predetermined position, permitting unobstructed traffic flow.
These models feature a rugged, automatic Hold-Open mechanism activated when the door is opened to a preset angle. 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. Each model meets the 250,000 test cycles required for Grade 1 classification.
Stop-Only (S) - When the Hold-Open function is not a required, the Stop-Only function provides the same effective door control without keeping the door held open. The Stop-Only model may be used on fire doors.
Size 1 (451) - 18" - 23".
Size 2 (452) - 23-1/16" - 27".
Size 3 (453) - 27-1/16" - 33".
Size 4 (454) - 33-1/16" - 39".
Size 5 (455) - 39-1/16" - 45".
Features and Benefits:
- Improved Compatibility with Door Closers.
- Improved Jamb Bracket Design.
- Single-Acting Doors.
- Interior Applications.
- Easy to install.
- Improved Corrosion Resistance.
Finish: The Glynn-Johnson 450 Overhead Door Holder and Stop comes in Satin Chrome (652) and Satin Stainless Steel (US32D) finish.