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Quadrangle Door Closer
Door width: 700-1200mm
Door weight: 60-90kg
Closing speed adjusting: 180° - 20°
Locking force adjusting: 20° - 0°
Function：
1. Door can keep standstill when at 90 degree.
2. Closing and locking speed can continue adjustment.
The fastest closing time is 3 seconds from 90 degree to 0degree.
The slowly closing time is above 40 seconds.
3. It will create resistance to avoid too much forces when open the door at above 65 degree.
It can pretend to hit the wall.
And the resistance can be adjustment.
4. It will set 20 seconds to closing the door from 180° to 65° by factory,
and it can be reduced to 1 second by the adjust screw.
5. Closing forces is choosed as different size and weight of the door.
Foces adjustable door closer can adjust to min force,
to reduce resistance to facilitate the old or disabilitied people.
Size:
Product Feature:
1. Spray plastic cement and rocker arm, prevent from corrosion.
2. Precise seal of fuel tank, prevent from leakage oil.
3. Exquisite body container of casting aluminum alloy,
prevent from oxidization with shine paint of three folds.
4. Two hydraulic pressure valves, control absolutely the rate.
5. Of closing door and locking high carbon steel gear wheels,
high carbon steel racks, treated by high frequency,
little rack and smart circulate.
Color:
Example:
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Product Name：Door Closer Series 
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