1. The system matches the balance between fabric gravity and spring elasticity to achieve instant pulling and stopping of the rolling shutter. By manually pulling down the lower beam, the rolling shutter can be stopped at any position, and by manually pushing down the lower beam, the rolling shutter can be recycled and balanced;

2. According to the square meter weight of the fabric, the width and height of the roller blind, different specifications of spring systems can be selected; According to the weight of the lower beam and the expected lifting speed, different springs can be set

Number of pre tensioned coils of the spring;

3. The flatness and tightening effect of the fabric can be adjusted by adjusting the pre tightening number of the spring and the weight of the lower beam; According to the actual situation, the lower beam can be weighted by gravity to achieve balance:

4. This system does not come with a beam, and the spring can be pre tightened and self-locking. The spring can be unlocked by the buckle on the installation code, thus achieving simple installation;

5. Due to the lack of a self regulating balancing force balancer, this system has a limited applicability for spring systems of the same specification and is mostly used for spring roller blinds with lighter fabrics; Suitable for 2 meters high

If the height of the spring hand pushed roller blind exceeds 2 meters, it is inconvenient to operate.

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