it is many type and kind for closing door automatically , it's torque level can be adjustable for different weight doors
Payment Terms: | L/C,T/T |
Place of Origin: | China (Mainland) |
The electro-hydraulic swing door is opened by the motor and closed by the hydraulic door closer. Its structure and working principle are that the electric motor drives a heavy hydraulic door closer through an oil pump to realize the door opening process, and then the door ...
Come From Dongguan Xinyi Door Industry Co.,Ltd
The door closer produced by door closer factory is a spring-like hydraulic device on the head of the door. When the door is opened, door closer China can be compressed and released to close the door automatically. It is like a spring door, which can ensure that the door can be ...
Come From RONGTAI HARDWARE PRODUCTS LIMITED
The electro-hydraulic swing door is opened by the motor and closed by the hydraulic door closer. Its structure and working principle are that the electric motor drives a heavy hydraulic door closer through an oil pump to realize the door opening process, and then the door ...
Come From Dongguan Xinyi Door Industry Co.,Ltd