Ozone HOLD OPEN OVERHEAD DOOR CLOSERS With SCISSOR NSK-780-HO-STD

Rack & pinion door closer with adjustable closing force EN 2-5 Features: - Rack and Pinion mechanism - Easy opening action - Adjustable Closing & Latching Speed with two independent ranges - Non-handed design for use on left & right-oriented doors - With Standard Scissor Arm - EN 1154 Tested - Tested 500,000 Cycles - Maximum Door Weight: upto 100 kg - Maximum Door Width: upto 1250 mm - Material: Made of environmental aluminum alloy casting body, with built-in anti-external force device offer a protection for the door, door frame and door closer, ensuring durable in use - Adjustable: Two independent valves to control the closing speed and the latching speed, Self regulate the mechanism to meet your needs - Back Check Function: Will slow down after the door is opening to 60 degree, prevent the door lock and door product damage or wall collision caused by the door opening speed being too fast - For residential and commercial use - Can be mounted to door leaf and transom Specifications: Available color: Silver, BM