Which quick roll up doors cannot be purchased?
Quick roll up doors are one of the most common industrial doors. But many customers have frequent problems within less than a week of purchasing the product. For example: the door cannot be opened and closed normally, the door curtain is derailed, and the sealing is poor. Such doors not only waste the funds of the enterprise, but also cause safety accidents. In order to avoid these problems, the following introduces several methods of fast doors that cannot be purchased.
Types of fast doors that cannot be purchased
1.There is no product nameplate. If there is a problem with this type of product, customers will not be able to find the original manufacturer for repairs. Generally, the prices of such products are relatively low, and after-sales service cannot be guaranteed.
2.The door curtain is not neat. These products are generally cut by hand. After a long time of operation, the curtains are easy to derail, and even damage the curtains and injure the staff. It is recommended to choose machine-cut, but the cost will increase accordingly.
3.No servo motor is used. Such products are prone to motor failure and abnormal limit. The service life of the fast door is greatly reduced.
4.The door body is welded. This type of product will have low sealing performance in the later stage, resulting in a decrease in indoor cleanliness. Generally, the door body is integrally formed by laser components, so as to greatly increase the sealing performance of the product.
To sum up, it is not recommended to buy quick roll up doors without nameplates, hand-cut door curtains, without servo motors, and welded doors. Although the price of this type of product is relatively cheap, there may be no guarantee after sale, and the safety factor is low.