EN3,4 Overhead Door Closer D68
- Model：D68, F6700
- Force: Fixed EN3, EN4
- Material: Casting Alumium Alloy body
- Door width: 950mm 1100mm
- Door weight: 65kgs, 80kgs
- Max. opening angle: 180°
- With imported O-seal ring & hydraulic oil, needle bearing.
- BS EN1154 500,000 cycles
- BS EN1634 2hrs fire-rated
- Cross reference: Dorma TS68
