Safety locks is used when workshop and office lockout and tagout which belongs to locks. It's to make sure that the energy is turned off and the equipment is in safe condition. Lockout can prevent inadvertent operation of the equipment effectively. Another purpose is to play a warning function which is different from the general locks with anti-theft function.
1. Selection of Safety Locks
The concept of Security locks has not entered into the domestic market for a long time, so the market of safety locks is still uneven, with the good and the bad intermingled. Many Enterprise purchasing personnel will choose high-profile and long-history brand or brand agent while selecting some uncertain security locks.Because of their strong economic power and stable network system to guarantee their service and aftersales service, so purchasers can avoid disputes caused by product quality problems.
1). Surface treatment
Before the delivery, safety locks will go through electroplating, spray and coloring which favorable for the lock itself to form a layer of protective film on the surface of the lock, which can prevent anticorrosion and oxidation.
2). Weigh and feel the locks
Inferior locks are normally made from hollow and poor-quality material.Thus, when you weigh the locks, it feels like light and the hand feeling is also poor.
3). Safety standards
At home and abroad, there are very strict standards for hardware locks. Some small manufacturers will not follow the standards to save costs, while large brands will generally comply with the standards.
2. Maintenance of Safety Locks
1). The lock cannot be exposed to rain water for a long time, because the rain water usually contains nitric acid and nitrate, which will corrode the lock.
2). Always keep the lock cylinder clean. Do not let strange matter enter into the key cylinder, which may make opening difficult or even impossible.
3). Regularly injects lubricating oil, graphite powder or pencil powder into the lock cylinders to help the oxidation layer left by excessive use time.
4). Pay attention to the heat expansion and cold shrinkage caused by the weather (wet spring and dry winter), so as to ensure the proper coordination between the lock body and the key.