Electric shutter door in the purchase must pay attention to the improper choice will seriously affect your use, summed up the following points.

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1¡¢ According to the new standard, the security level of anti-theft is adjusted to four levels, namely "a", "B", "C" and "d", and the level of "a" is advanced, and then decreases. The anti damage time of the electric rolling shutter door is also decreasing step by step, and the lower level D is less than 6 minutes.

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2¡¢ Grade A, B, C and D should be 2mm, 2mm, 1.8mm and 1.5mm respectively. The thickness of steel plate is directly related to the security performance of electric rolling shutter door. Good steel electric rolling shutter door skeleton has asbestos and other filling materials with fire prevention, heat preservation, sound insulation functions.

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3¡¢ The electric rolling shutter door has the function of self-locking and anti prying. According to the new standard, the lock of the electric rolling shutter door should be able to open the door leaf within the anti damage time, even if the lock cylinder is drilled out, the lock body connector is pried off to remove the lock, or the prizing tool is extended through the upper and lower clearance; The number of locking points between the door frame and the door leaf shall not be less than 12, 10, 8 and 6 respectively according to the security level a, B, C and D; The useful length of the main lock tongue of the electric rolling shutter door shall not be less than 16 mm, and there shall be a stop device for the lock tongue of the electric rolling shutter door.

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4¡¢ The new standard also adds the content that can help consumers identify the authenticity of the electric roller shutter door, which requires that the electric roller shutter door should have a fixed mark. The mark of electric rolling shutter door is composed of three parts. The mark symbols are Pinyin letters. From left to right, they are anti-theft security door code, anti-theft security level and enterprise custom features. Among them, the anti-theft security level mark is fixed on the position about 160 cm above the ground at the upper corner of the inner hinge.