Glynn-Johnson 90 series door holders and stops provide long-lasting protection for doors, frames and hardware. 90 Series holders and stops are the most rugged models available for heavy-duty applications. All models incorporate a heavy-duty channel/slide-arm design and offset jamb bracket. This unique design allows for simplified modification of functions, should user requirements change. Hold-Open models provide a convenient method of holding the door open at a predetermined position for short or long periods of time, permitting an unobstructed traffic flow through the opening. The Hold-Open function can easily be turned on or off by simply rotating the serrated knob on the bottom of the channel. This knob engages the Hold-Open mechanism, allowing the door to be held open at a predetermined position ranging from 85° to 110°. When the knob is flipped over, it acts as a stop and shock absorber. The tension on the Hold-Open mechanism can be adjusted using a Philips screwdriver to offset air currents or other exterior conditions. The Hold-Open tension adjustment is located on the top of the slider in the channel.
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