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How to choose the sliding door and window pulley for the family?

Update:27-07-2019
Summary:

Pay attention to whether the product has stop block and […]

Pay attention to whether the product has stop block and upper and lower rail positioning system, whether there is glass anti-collision strip, whether the bearing type pulley is smooth and silent when pushing, whether the shock absorber system is placed in the bottom wheel, and whether there is a door height adjusting device.
Door frame and door panel: pay attention to the problem - door frame material and door panel thickness
At present, the frame materials used for sliding doors on the market are carbon steel materials, aluminum-titanium alloy materials, etc., among which aluminum-titanium alloy materials are the most durable and durable; secondly, the thickness of the door panels, the wooden boards for sliding doors, preferably 10 mm or 12 mm thick plates are selected. In this way, it is stable and durable to use; when the thickness is less than 8mm, it will appear thin and light; the door panel with a thickness of 6mm or less is easily deformed, and it is difficult to meet the requirements of normal use.
Sealability: Attention to problems - door spacing not exceeding 5 mm
In order to ensure that the two doors are staggered and closed, all sliding door products will have a spacing. The general external pulleys need a spacing of 15 mm. This spacing affects the sealing of the sliding door. Especially in Beijing, there are many opportunities for dust intrusion.
Although most products have tops, the gap between the tops and gaps of the different products is still relatively large. Try to choose products with small spacing and tight tops. For example, the German aunt sliding door is only 5 mm apart, and the high-density tops basically prevent the intrusion of dust.
Service life: attention to problems - brand credibility
The key factor affecting the service life of the sliding door is the pulley. The design of the big brand's pulleys is about 15 years, and the pulleys of some counterfeit products may break down in 2-3 months, which seriously affects the use of sliding doors.

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