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Door closer installation, door closer oil leakage repair method!
Door closers are divided into exterior-mounted and hidden-type, and the most commonly used is the ex..
What are the requirements for the use of door closers in the United States?
In the United States, the standard for the use of door closers depends on the location of the buildi..
Types of door closers
Door closers are an essential part of most buildings. These small hardware ensure that the door clos..
The difference between electric door closers and hydraulic fire door closers
The electric door closer is different from the hydraulic fire door closer, it combines the functions..
Fire door closers are very important
Now in shopping malls, the normally closed fire doors of high-rise safety exits often become "normal..
Precautions for choosing door closers
Product feature selection: Door closers have the functions of closing and locking the door. The fun..
What should be paid attention to when installing the door closer?
1. Read the installation manual before installation; 2. Install according to the steps and requir..
Where should door closers be installed?
There are fire protection, anti-theft, national mandatory requirements, and automatic and intelligen..
How to choose a suitable door closer?
Choose a suitable door closer according to the conditions of use. For example, in northern regions o..
What problems should be paid attention to when choosing a door closer?
Before choosing a door closer, you should consider: your door weight, door width, door opening frequ..
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What problems should be paid attention to when choosing a door closer?
Before choosing a door closer, you should consider: your door weight, door width, door opening frequ..
What are the requirements for the use of door closers in the United States?
In the United States, the standard for the use of door closers depends on the location of the buildi..
The difference between electric door closers and hydraulic fire door closers
The electric door closer is different from the hydraulic fire door closer, it combines the functions..
What should be paid attention to when installing the door closer?
1. Read the installation manual before installation; 2. Install according to the steps and requir..
Precautions for choosing door closers
Product feature selection: Door closers have the functions of closing and locking the door. The fun..
Effect of door closers on doors
The classification of door closers is an accessory for the door industry in the hardware accessories..
Types of door closers
Door closers are an essential part of most buildings. These small hardware ensure that the door clos..
The role of the door closer
The modern hydraulic door closer (referred to as the door closer) began with a patent registered by ..
Instructions for installation and use of door closers
Before installing the door closer, the user should read the installation manual, and install and use..
How to choose a high-quality fire door?
The flame retardant time of different fire doors in fire scenes is also different, so the effects ar..