Aluminum alloy bottom bar

The middle aluminum bar in a PVC high speed door is a structural component that provides stability and support to the door. the aluminum alloy bottom bar  is typically located in the center of high speed door and runs vertically from the top to the bottom. The aluminum bar is designed to withstand the high speeds and frequent opening and closing of the door, ensuring that it remains in place and functions properly. Additionally, the aluminum bar helps to prevent the door from sagging or bowing over time, which can compromise its performance and safety. Overall, the middle aluminum bar is a critical component of a PVC high speed door and plays an important role in ensuring its durability and reliability.

Middle aluminium bar, bottom aluminium bar, aluminium vertical track, stainless steel vertical track, brushes,round nylon strip, PVC roll, rolling steel tube complete, drum be;;s for rolling tube, side end covers, stainless steel cover, steel tubes, air bag sensor system, safety light beam, Microwave sensor 24 Gigahertz,PVC welding machine, smoke and fire sensors, PVC transparent window, magnetic loop, photocell, remote control, manual push button, sound warning alarm Led lamp traffic light

For some main accessories, here is detain introduction: