Application Scope：Door Closer Commercial with Hold Open applies to door weight between 45-90kg, not for light door, door width 120cm, Door open range: 180ºmaximum. Door and door frame should be on the same plane or within 5 cm.
High quality: The door closer residential is filled with Industrial hydraulic fluid, oil leaking probability under 1/1000, Door Closer is made of commercial grade aluminum alloy,totally automatic closing, speed adjustable.
Usage：commercial door closers works with all types of medium doors -- right and left opened doors,wood and metal doors, residential and commercial doors, exterior/interior doors, fire doors and etc.
Fully Adjustable: With two independent valves, you can adjust both the sweep motion and the catch-closing mechanism of your door arm closer, so you can set the opening force and closing speed of your door