The three-roll gate is the most widely used, most used, and most types of access gates in China today. When it comes to the classification of three-roll gates, the three-roll gates are often classified according to the following rules:
1. According to the braking system
Full brake system three-roller gate, half-brake system three-roller gate and manual three-roller gate;
According to the pass form Fully active three-roll gate, semi-active three-roll gate, mechanical electric three-roll gate; 3. Follow the method of passage Electric three-roll gate, manual three-roll gate; 4. Three roller gates are in accordance with the traffic direction Unilateral three-roller gate, horizontal three-roller gate; 5.
According to the gate style Bridge-type three-roller gate, column-type three-roller gate.