Publish Time: 2020-03-06 Origin: D&D Hardware
European profile lock cylinders are the most popular type in the market. They usually have same shape but different in materials, sizes, brands especially the types of keys and locking mechanisms. The cylinder provides security functions such as anti-prying, anti-drilling, anti-shatter and anti-replication.
Quality and Security are the most important factors for door lock while Cylinder is the major part when evaluating the quality of door lock. To select a solid quality cylinder, we need to know the followings:
1. What shape does a European style lock cylinder have?
2. How to choose the length of the lock cylinder?
3. Select according to the material of the lock cylinder and the precision of the internal structure
4. What are the functions required to select the lock cylinder according to the function of the door?
1. What shape does a European style lock cylinder have?
The shape of European type lock body includes calabash shape and oval shape. By observing the lock hole of the door lock or the mortise lock, you can know which shape of the lock cylinder is required.
2. How to choose the length of the lock cylinder?
The thickness of the door determines the length of the lock cylinder.
Common lock cylinder total length calculation method = door thickness + height of door internal and exterior escutcheon cover + 5mm
3. Select according to the material of the lock cylinder and the precision of the internal structure
A reliable lock can protect human safety and property. The lock cylinder made of brass has advantage of corrosion resistance, strong strength and high hardness.
The larger the number of pins in the lock cylinder, the more complicated the internal structure, which means the higher the anti-opening rate and the higher the safety. D & D's brass lock cylinder has multiple pins and passed the EN1303 test, suitable for various door applications.
4. What are the functions required to select the lock cylinder according to the function of the door?
Is the lock cylinder installed to exterior door (such as main entrance door) or the interior door? They have different security features.
Single Cylinder-Unlock/Lock by key from outside, Inside Lock/Unlock by thumb turn. When locked by inside thumb turn, outside can only unlock by key.
Bathroom Cylinder—No key, when locked by inside thumb turn, outside can unlock with certain tools (such as coins) when an emergency.
Double Cylinder-Unlock/Lock by key from inside or outside.
Half Cylinder-Suitable for doors that do not need to be locked indoors while require locking function outdoors. Application: classroom doors, smoke-proof doors, etc.
Choosing a reliable lock cylinder can extend the lifetime of door and lock. Selecting a cylinder with high-precision structure and strong material which is not easy to break can ensure the safety of users' life and property. High-quality lock cylinders extend the service life of door locks and reducing the frequency and consumption of replacement. The lock cylinder of D & D hardware has passed the EN1303 operation life test, and it also has different functional properties, which can be applied to the doors of different public places such as public buildings, industrial places, medical buildings, and education places. D & D can also provide complete solutions for doors with different functions and different environments, bringing customers safe, convenient and reliable door hardware configuration solutions.
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