Euro profile lock cylinder, compatible with euro door mortise locks. The cylinder cam rotated by operating key or thumb-turn, then the cylinder cam drive the mortise lock deadbolt to open/close the lock.
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As the most professional lock cylinder manufacturer in China, SDH provides high-quality Euro profile lock cylinders, including cylinder with double side key, cylinder with one side key and one side knob, bathroom cylinder, half cylinder,
We also provide more comprehensive and flexible lock cylinder solutions for your hardware needs, such as aliked key, GMK system, high security cylinder.
When we install or replace the euro profile lock cylinder, we have to take the factors below into consideration:
1.Choose the right cylinder type according to the door type or using consideration. Mainly including: knob cylinder for interior door and fire rated door, double side key cylinder for entrance door, bathroom cylinder for bathroom, half cylinder for storeroom and maintenance room.
2.Calculate the length of the cylinder: cylinder length= door thickness + escutcheon thickness *2 (generally, there are 2 pcs escutcheon, inside and outside of door). If the mortise lock is not at the middle of the door leaf, you should measure the size and choose the unequal cylinder.
3.Check the backset of the mortise lock to choose the cylinder fixing screw length. The cylinder fixing screws length= mortise lock backset +10mm
As the leader in euro profile brass lock cylinder manufacturing, SDH has been successfully supplying big and small brands with customized cylinder for over 10 years thanks to extensive know-how and expertise.
With cutting edge of craftsmanship, we offer worldwide industry coverage, thanks to our plants and sales offices established in Guangdong, Zhejiang and Shandong, China. Passionate about our business, we are continually pushing the limits of our know-how to provide high-quality and innovative product solutions for a host of international brands.
Thanks to the cylinder automatic producing machine, higher precision machining and assembly process ensures the reliability and stability of the cylinder.We pride ourselves in being one of the highly sort-after Chinese euro bass cylinder manufacturers who work to produce door hardware from scratch.
Through our modern manufacturing services, we reduce your costs, speed up your architectural hardware to the market, and help you gain a competitive edge.
There are many different kinds of lock cylinder in the market, such as American cylinder, oval cylinder, Chin GB cylinder and Euro standard lock cylinder, it’s for different market, and the cylinder type, size and standard are different.
Euro profile lock cylinder mainly used in Europe at the early stage, it is used with the euro mortise lock together, cylinder size based on DIN, section size 17X33X10mm, cam size R15X6.5mm. If the size too big, it will be stuck when operate the lock; if the size too small, it will be sliding when operate the lock.
The Euro profile lock cylinder should compliance with BS EN standard, durability test 50,000 cycles at least. And fire-rated cylinder needed accordingly for the fire-rated doors.
We have to choose different lock cylinder for different doors and using conditions.
Cylinder with one side knob and one side key, open or lock the door by operating the key from the outside, or turning the knob from the inside. Generally used for interior door and fire-rated door, it’s the most common cylinder type in the market.
Double side key cylinder, we can use the key to open or lock the door from the both side.It’s mainly used for high security doors, such as the entrance door.
Bathroom cylinder is the cylinder one side with knob and the other side with slot, you can open the door by turning the knob from the inside, or rotate the slot by a screwdriver from the out side, it’s used for bathroom doors.
Half cylinder, one side with key, can only open by key from the outside, generally used for the repair and maintenance doors or storage room doors.
Cylinder length= door thickness + escutcheon thickness *2 (generally, there are 2 pcs escutcheon, inside and outside of door). If the mortise lock is not at the middle of the door leaf, you should measure the size and choose the unequal cylinder.
Otherwise, for rebated door, we use unequal knob cylinder generally, we have to confirm the cylinder size on the key side and knob side separately.
Link to Jifu
There is no right or wrong answer when it comes to Normal Yale key VS Computer key. This is simply a difference in usage habits.
Generally, a cylinder with 3 YALE key or with 5 computer key.
For YALE key, it’s easy to make a copy, security level is not very high.
For computer key, you can open the cylinder by using the both side of the key, it’s more convenient, the computer key is difficult to duplicate, the security level is higher.
Shell
This is the fixed body of the cylinder.
Plug
located in the shell, the plug is the moving part of the cylinder into which the key is inserted to lock or unlock the door.
Pins and Drivers
They are arranged at different heights and are the main security component of the lock cylinder. When the right key is inserted in the cylinder, the pins and drivers line up, allowing the locking mechanism to move.
Springs
Springs are compression components located between the pins and drivers. They maintain constant pressure on the pins, pushing them down into the holes in the cylinder body. The springs contribute to the functionality and strength of the lock cylinder.
Plugs and Screws
The plugs cover the ends of the lock cylinder and can be removed to gain access to the pins and internal mechanism. Screws are used to secure the lock cylinder to the lock case and door.
Remove the Flat Screw Under the Latch
Prop open the door as you change the lock. Turn the screw under the door latch counterclockwise with a flathead screwdriver and remove it.
Turn the Key a Quarter of the Way
Insert the key into the keyhole and turn it slightly so that it's in the open position. This will hide the latch in the internal components of the lock and allow you to slide it out.
Pull On the Key While Pushing on the Other Side of the Lock
Keep the key turned while you push on the lock from the other side of the door. If done correctly, the interchangeable lock cylinder should come out.
Screw the Flat Screw Back In
Thread the screw into the hole with your fingers, then use a flathead screwdriver to tighten it. Continue turning it until it runs flush with the side of your door.
Test Your Key to Make Sure That it Unlocks Your Door
Keep the door open as you test it. If it doesn't work, try dissembling and reinstalling the lock cylinder or call a locksmith to see if they can replace it for you.
Unscrew and Remove the Faceplate Over the Latch
Use a doorstop to prop the door open while you’re working. Find the faceplate on the thin part of the door and use a Phillips head screwdriver to remove all the screws in it. Once the screws are out, pop the faceplate off the door.
Loosen the Set Screw Near the Lock Itself
The set screw will be the screw closest to the lock cylinder on the outside of the door. Use a Phillips head screwdriver to turn the set screw counterclockwise until you loosen it.
Insert a Key Into the Lock and Turn it Clockwise to Unscrew it
Use a different key than the one that unlocks the door so that you can use it as a wrench. Insert the mismatching key into the keyhole and turn it counterclockwise to loosen the cylinder. When the cylinder is loose enough, it should easily come out of the hole in the door.
Thread a New Lock Cylinder Into the Hole
Put the new lock cylinder into the hole with the keyhole facing outward. Start threading the new cylinder by turning it clockwise in the hole.
Insert a Mismatching Key Into the Lock and Turn it Clockwise
Again, use a key that isn’t made for the lock so that it catches and can be used as a wrench. Stop turning the cylinder when you feel resistance and the keyhole is on the bottom of the lock.
Re-Tighten the Set Screw
Turn the set screw clockwise to set the new lock cylinder in place. Once the set screw is tight, you should no longer be able to rotate the lock cylinder.
Screw the Faceplate Back on and Test the Lock
Fit the faceplate over the latch and line up the holes in the latch with the holes in the door. Use a screwdriver to secure the screws back in their holes. Use the correct key on the new lock to make sure that you installed it correctly and the door locks.
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