450 Series Medium-Duty
Glynn Johnson provides the most complete line of overhead holders and stops, offering solutions for the most demanding door control problems. These surface-mounted holders and stops offer the widest variety of functions, materials and finishes to fit all medium- to light-duty applications.
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.
- Improved Compatibility with Door Closers
- Improved Jamb Bracket Design
- Single Acting Doors
- Interior Applications
- Easy to Install
- Improved Corrosion Resistance
- Each model is available in five sizes
Glynn-Johnson 450 series holders and stops are designed for medium to light-duty applications. They're ideal for openings that are subject to normal activity, providing protection for the door, frame, hinges and surrounding walls or obstructions.
Designed for improved compatibility with most door closers, all models incorporate popular channel/slide arm design and offset jamb brackets. The improved design makes it easier to change functions in the field, should user requirements change.
450H Series Hold-Open
(Suffix H) These models conveniently hold doors open at a predetermined position, permitting unobstructed traffic flow. These models feature an adjustable automatic Hold-Open that is 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 meets the 250,000 test cycles required for Grade 1 classification.
450S Series Stop-Only
(Suffix S) When the Hold-Open function is not 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.
450F Series Friction Hold-Open
(Suffix F) Friction Hold-Open models provide an alternative holding method ideal for patient room doors, wardrobe or closet doors, or similar applications where multiple Hold-Open positions are desired. The friction tension can be adjusted using an allen wrench on the slider located in the channel at the top of the door.
450Se Series Special Stop-Only
(Suffix SE) When Stop-Only models are used in conjunction with single point Hold-Open electronic door closers, the function may be ordered without the shock absorbing mechanism. Used as an auxiliary stop with these closers, they will prolong the life of the closer. The stop location is adjusted using an allen wrench on the stop block located in the channel.
Suffix J (Angle Jamb Bracket):
- An additional option on the 450 Series is the Angle Jamb Bracket for hinge-side or flush transom mounting. The angle jamb bracket affixes to the standard jamb bracket. If ordered with the overhead add suffix J. If needed separately order 450J-Finish.
Suffix Shim (Blade Stop Shims):
- Shim kits are available in 3 sizes:
- 450 SHIM1 is a 3⁄16" Shim Kit
- 450 SHIM2 is a⅜" Shim Kit
- 450 SHIM3 is a 9⁄16" Shim Kit
- If ordered with overhead, add suffix SHIM (1, 2 or 3). If needed separately order 450SHIM (1, 2 or 3)-Finish.
Suffix Soc (Pin-In-Socket Security Screw Package):
- A screw package with pin-in-socket screws for mounting the channel to the door and the jamb bracket to the frame is provided instead of the standard screw package.
Materials And Finishes:
In Brass, 300 series stainless steel or steel, these models offer the broadest range of finishes in the industry to complement any design. Brass and Stainless Steel offer the highest resistance to corrosion, while all these base materials are suitable for normal interior use.
- US3 Polished Brass
- US4 Satin Brass
- US10 Satin Bronze
- US10B Oil Rubbed Bronze
- US32 Polished Stainless Steel
- US32D Satin Stainless Steel
- SP4 Powder Coast Brass
- SP10 Powder Coat Bronze
- SP28 Powder Coat Aluminum
- SP313 Powder Coat Dark Bronze
- SPBLK Powder Coat Black
- 652 Chrome-like Coating
Known throughout the industry as the "overhead door holder specialist," Glynn-Johnson has made its name with state-of-the-art manufacturing and technology. Delivering both superior quality and exceptional performance, Glynn-Johnson products are offered in a wide variety of popular finishes and configurations providing the flexibility needed to meet the most demanding door control applications.
Glynn Johnson recognizes that the best door control device is one that functions overhead. Commercial doors are much too heavy for door hinges, making the Glynn-Johnson 450 Series Medium-Duty Surface Overhead Holders & Stops jamb and arm design the best solution for a company looking to secure their doors. Furthermore the overhead holder is out of the way, unlike floor or wall-mounted stops which are a tripping hazard and are open to accidents and easy vandalism.