Why is the spiral door tightly sealed?
The spiral door is suitable for industrial buildings, warehouses and other industrial equipment exits. This product uses precise, safe, high-frequency servo motors. Which can be opened frequently, and the fastest speed can reach 2 m/s. Ordinary high-speed doors is poor. because the door body is soft, the wind resistance is small, and the sealing performance of the double-row brush. But this product mainly has two aspects to highlight its good sealing performance.
Reasons for good sealing of the spiral door:
Double-layer aluminum alloy door panel
The door panel of this product uses a double-layer aluminum alloy door panel with a thickness of 0.7 mm. And the middle is filled with polyurethane foam. The total thickness reaches 40 mm. and the height of a single door panel is 200 mm.
EPDM strip seal
The bottom, top, both sides of this product and the junction of each door panel are sealed with EPDM strips. The gas tightness is small, and the sealing effect is good.
All in all, the spiral door has achieved a good sealing effect in the door panel material and joints. This product is convenient, fast and widely used. Many enterprises that choose this product have improved work efficiency and economic benefits.