- Concealed mount
- Heavy duty
- Stop, hold-open and friction functions available
- Single or double acting doors
- Non-handed
- For interior or exterior use on frequent traffic and heavy weight doors
- Standard installation from 85° to 110° of opening (5° increments)
- Shock absorbing spring provides 3° to 5° cushion before dead-stop
- 1-¾” minimum door thickness
- UL Listed as Miscellaneous Fire Door Accessories for use on wood fire doors rated up to 90 minutes and metal fire doors rated up to 3 hours (stop function only)
- Average weight per unit = 6 lbs.