796H.SP28 Surface Overhead Door Holder
Surface Overhead Door Holder - Hold Open Version for Door Openings 1144mm - 1372mm (Jamb to Jamb). Silver
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Holding the door open at a pre-determined position for long or short periods. The hold open function is an automatic mechanism that ‘kicks-in’ when the door is opened to a preset angle.
- 79 series models are constructed primarily of brass and 300 series stainless steel substrates.
- 79 series utilize a 19mm dia. stainless steel bar.
- The bar is always provided in US32D Satin Stainless Steel.
- The spring, washer and nut are provided in a clear zinc finish.
- The door bracket, jamb bracket and hook (for hold open units) are available in a number of alternative plated and painted finishes (consult the sales office for details).
- 79H series hold open models (suffix H) provide a selective hold open function with easy-to-adjust tension. A simple 90º rotation of the roller mechanism disables the hold open function allowing the unit to serve as a shock-absorbing stop only.The hold open function provides 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 tension is adjusted simply and incrementally for increased or decreased holding power by turning the nut at the end of the bar
- Dead stop templating is recommended for applications where a wall or similar obstruction is placed at an opening angle of 110º or less. Dead stop templating can be applied to hold open and stop only models. The dead stop position is the point at which the shock-absorbing spring is fully compressed. Therefore, when dead stop templating is used, the initial degree of opening will be 5º to 7º less than the dead stop opening.Example: If the holder is templated to a 100º dead stop, the door will hold open at an angle between 93º and 95º but no furtherthan 100º
- FK79H - Converts a 79S unit into a 79H unit. Specify FK79H - (& finish)
- FK79S - Converts a 79H unit into a 79S unit. Specify FK79S
- An angle jamb bracket is available to convert standard models to hinge-side or flush transom mounting. If ordered with unit add suffix J. If needed separately, order 79J by finish needed
- Suffix SB (Sex Bolt Mounting) - A package of 2 sex bolts provided with the 79 Series
- Suffix SOC (Pin-in-Socket Security Screw) A screw package with pin-in-socket screw for mounting both the door bracket and jamb bracket is provided instead of the standard screw package.
|Concealed Mounting||Surface Mounting|
|Size||Door Opening||410 Series||450 Series||70 Series||79 Series|
|1||457 - 584mm||411||451||-||-|
|2||585 - 686mm||412||452||702||792|
|3||687 - 838mm||413||453||703||793|
|4||839 - 991mm||414||454||704||794|
|5||992 - 1143mm||415||455||705||795|
|6||1144 - 1372mm||-||-||706||796|
Best suited to extra heavy duty situations on perimeter doors where door/frame protection is important.
79 series surface mounted holders and stops are designed to meet the demands of high-traffic and exposed doors in commercial applications. Simple to install they are compatible with most Relcross door closers. Templates allow for variable mounting positions, ranging from 85º to 110º hold open/stop angles. These door holders and stops can be used on most types of doors, including all doors hung with conventional hinges or pivots.