Door Closer 903-6CW

Aluminum die Casting crust body, Nonstop, 4 Valves, 40-150 kilo, Closing Speed & Latching speed can be adjusted independently, Back check function exceed 65 degree opened and it can be adjusted, The delay function from 180 degree to 65 degree when closing the door and delay time can also be adjusted, The closing force can be adjusted anywhere