The basic purchase knowledge of electromagnetic lock

The appearance should be exquisite, and the surface must not have obvious scratches or rust. The key to the magnetic lock is to see its tensile strength; this requires professional equipment to measure it, so only after installation, pull it with a sudden force. It is considered normal to not open it, but pay attention to the installation of the electromagnetic lock lock body. The suction iron should not be installed too tightly, otherwise it will affect the tensile strength.

When selecting a lock, first distinguish between 90-degree door opening (one-way door opening) and 180-degree door opening (two-way door opening). Electric locks must be used for 180-degree door openings. Magnetic locks and electric locks can be used for 90-degree door openings Control lock, cathode lock, glass door clamp lock, electric mortise lock, etc. The door closer is determined by the weight of the door, which is determined by the volume and material of the door. The bracket is selected according to beauty, safety and convenience.