Model Number: 650 Series Brand Name: DNW Key Specifications/Special Features: Adjustable closing force size EN3-EN6For single and double action door weighting up to maximum 300kg (660lbs)Fully hydraulic control with maximum opening angle 180° in each directionTwo completely independent adjustable valves to control swing speed from 15° to 180°, latching speed from 0° to 15°, provide dual speed hydraulic control.Mechanical back check effective at approximately 75°

3 years warranty and tested 500,000 cycles