| manufactory requirement |
| Several clients need high efficiency in the process of production and distribution, rapid flow of materiel require the door which can shorten transportation time with high speed, safe and reliable. CHANG FENG high speed shutter door is mainly designed for these requirements .Some particular types of these doors can meet the requirements of food, pharmacy, electron , printing, textile, tobacco, clean workshop, packing department, and the doors also can prevent air conditioning loss and isolate with other districts of industry workshops.
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| Good sealing performance |
| No dust deposit, high stability, easy clean. Measuring up the CMP requirement. |
| High speed to open |
| The portiere can be disassembled and replaced by pieces, with very good wind resistance (90kg/m2 ) , and it can be opened & closed (1000-1500/per day) with high frequency . Every CHANG FENG high speed shutter door has the lowest opening speed of 1-1.5m/s , to insure:
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High speed |
High efficiency |
Saving energy |
The lowest risk of collision by high speed opening. |
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Suit for the internal & storm door (which has requirements of heat preservation, dustproof, noise reduction and isolate odor) of the materials circulation channel and big area cave.
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| High reliability |
The structure of CHANG FENG high speed rolling slats door is simple、firm and reliable . All the CHANG FENG high speed rolling slats door can operate by handle during power cut .
Frame: anticorrosion metal with high quality . |
| he material of high speed rolling slats door is from Germany. |
| Besides of aluminum strip inlay, the CHANG FENG high speed rolling slats door is made by PVC transparent material. The transparent material , which is composed by Dacron guipure with polyethylene coat and Dacron stiffened by glide fiber glass, provide very good visibility for more safe working environment. |
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Coiling door 
