Concealed overhead door closer MP D320
- Category: Door Closers >>>
- Supplier: Foshan City Aoda Hardware Products Co. Ltd. [Guangdong China]Foshan
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Product Overview
Description
Concealed glass door floor spring MP-D320
1..General design, suitable for left or right hand to open the door in single and both sides.
2.Two sections closing door value, can adjust the closing door speed between 90 degree to 25 degree and 25 degree to 0 degree separately
3.90 degree auto-orientation, max opening at 116 degree,non-hold on machine avaiable if requested
4.inside pressure reducing valve to prevent the destruction of the floor spring or oil leakage on
occasion that the door is closed by strong pressure or wind force.
5.Use low temperature frostbite hydraulic oil,ensuring the normal door-closing speed when the temperature is forty degree below zero.
6.can be adjusted left or right ,forward or backward,up or down,easy to install and adapt to
individual reqirement
7.passed test of over 500.000 cycles
8.we can mark laser logo on the machine body.
60Si2Mn superior quality compression spring
CNC drilling lathe machine
Drilling lathe
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Feature | Image | Describetion |
Pivot |
| Our pivot is made of Iron 40CR, which is better than general iron in toughness and abrasive resistance. Some of other floor spring manufacturers use general iron instead.
|
Adjust speed screws
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| it is made of brass ,has two seals,which can reduce the phenomenon of leaking. |
The cover | | Each of the cover is equipped with two O-RING to make sure the tightness of the floor spring. |
The test | | Each of the floor spring has been tested before packing |
500,000 times test |  | we guarantee the floor spring can use at least 2 years |
| packing |  | 4 pcs/ 1 ctn standard packing or color box |
| usage |  | glass door,wood door or iron door
|
We promise:our products have passed before shipment 100% full inspection
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