The door closer is a spring-like hydraulic device on the door head. When the door is opened, it can be released by compression and closed automatically. .
The significance of the door closer is not only to automatically close the door, but also to protect
The basic components of a hydraulic door closer are a support guide and a transmission.
Door Closer American Standard Door Closer
1) High-end American standard door closer
Reached 2 million times open life test. Meets US ANSI 156 Class 1 requirements. With adjustable power.
It is suitable for heavy-duty and high-intensity door control system for public buildings, engineering and maintenance doors with high security and high use frequency.
2) Mid-range American standard door closer
Non-fire door closers have reached 1 million open life tests. With adjustable power.
The door control system is suitable for high security, high-intensity residential doors and medium-intensity commercial doors.
Door closers European standard door closers
High-end European standard door closer
More than 500,000 life tests, meet the requirements of EN 1154. With adjustable power.
It is suitable for heavy-duty and high-intensity door control system for public buildings, engineering and maintenance doors with high security and high use frequency.
Mid-range European standard door closer
More than 300,000 life tests, meeting the requirements of EN 1154. With adjustable power.
The door control system is suitable for high security residential doors and medium-strength commercial doors with high security and high frequency of use.
Door Closer Chinese Standard Door Closer
Life test of more than 500,000 times, the latest standard of built-in vertical door closers also requires more than 2 million times of life test.
Door control system suitable for industrial and mining enterprises, residential projects, commercial buildings, hospitals, schools and other occasions.