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Aluminum Alloy Spiral High Speed Doors


A model of Rapid Doors with thermal insulated aluminum slats. Most advanced and high-oriented model. It is fit for areas with high demand of both security, high-strength, thermal insulation and high running speed.

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Our High Speed door series include Universal Economy high speed door, zipper high speed door, cold storage high speed door, aluminum alloy hard high speed door, and stacked high speed door, protective room high speed door (robot protection, welding room, conveyor belt), explosion-proof high speed door, can Meet various needs in different application scenarios.

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All of our high speed door series are equip with the advanced Italy AC Servo control system and have the following features(Except the explosion proof high speed door) :

1.High Speed Running:

Our servo Motor max speed is 2500 rpm,

door max operating is 2.5m/s.

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2. Precise limit.    

The system use special double encoder design.

Double encoder can check with each other and avoid overshooting ,guarantee the precise limit.


3.Soft Running.

The Torque servo system can adjust Torque to load automatically when the door running ,and ensure the door running smoothly,soft star and stop.

4.High Frequency.

The Advanced AC private server permanent magnet motor with the servo control system ,make the door with better movement accuracy and quicker response and quicker response ,even under high frequency operation ,the motor can keep good working condition.And the test shows ,the motor can run more than 2000 times/day.

5.Control box Humanized design

User-friendly control box with LCD English Screen and self-diagnosis function,simple setting parameter and operation.

Integrated design, aviation connector, make the wire connection easily.

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6. Interlocking, interconnection function.

Programmable external module, and comply with the MODBUS-RTU, RS 485 contact .Can be linked with other equipment ,like the air shower ,robot, VGA Vehicle and so on.

Aluminum Alloy Spiral High Speed Doors

1. Special Spiral Guide Rail

Aluminum alloy profile rail with smooth anodized surface; The door panel runs in guide rail by separate wheel, and they do not touch each other; This completes avoid door panel friction.this unique design combines highest opening speed, long service life and efficiency in such a perfect manner.

2. Excellent Thermal Installation

The double layer aluminum panel inside filled with intermediate polyurethane foam.the middle broken bridge design can increase the heat preservation effect , prevent the indoor and outdoor temperatures loss,and save energy.the surface of the door panel is subjected to 5 layers of organic coloring treatment, which greatly improve the corrosion resistance.

3 .Emergency manual open device.

Most of the door weight was balanced by the spring system ,so the door is with long service life ,and It can be easily opened by hand with this device,under emergency situations like power failure or electrical fault.

4. Individual Design Possible

In addition to the aluminium-coloured standard coating, we also paint the laths as well as the steel parts of the door in almost every colour of the RAL system, if requested by our customers. Thus, our high speed doors can architecturally be perfectly adjusted to every facade or get the colour of your house which gives your premises a representative look.

5. Space Save

Variety guide rail can meet different site situation and save the indoor space .

6. Different Window Type

Have better lighting and for human vision .


Technical Data:

Max dimension:

8000mm wide*8000mm high

Power supply:


Protection level of electric:


Wind resistance:

beaufort scale 12(35m/s)

Max opening speed:


Max closing speed:


Thermal conductivity factor:




Sound insulation factor:


Available colors of slat:

Grey , Blue , White , Aluminum , Golden

Shanghai Lesho Door Co., Ltd.
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