Characteristics of QDA and QDS dual-purpose flashlight opening and closing machine
1. High security performance Equipped with dual protection measures of torque protection and travel limit.
2. Easy to operate It can achieve various control forms such as remote control and on-site operation, single control and centralized control.
3. The opening indicator adopts gear transmission Accurate and reliable And it has on/off signal lights indicating.
4. There are various forms such as ordinary type, outdoor type, explosion-proof type, integrated type, etc Can adapt to the needs of different environments.

Ordering Instructions
1. When placing an order, please specify the model, specifications, and quantity in detail.
2. Order ODA, Environmental requirements (indoor, outdoor, explosion-proof, etc.) must be indicated when using a dual-purpose flashlight in ODS.
3. The ODA type opening and closing machine does not indicate electric installation and the manufacturer indicates ordering according to well-known domestic products. Our company can also customize the electric installation or imported equipment from designated manufacturers according to user needs, and the motor power should be matched with the electric installation.
The 4 opening and closing machines are generally matched with the doors used by our company If ordering the hoist separately, please indicate the lifting height, distance from the lifting point to the bottom of the hoist, connection form and size of the screw rod end, and the distance between the lifting points L for double lifting points
5. Extra large or special requirements for opening and closing machines Such as winch hoist and hydraulic hoist Our company can provide supporting facilities as required.