assaabloy.com 523 Cylinders Introduction Keyed alike cylinder (KA) Also known as a ‘pass cylinder’. This cylinder is one of a pair, or group of cylinders, that are assembled with identical pin chamber components. This allows the same key to operate them all. Common cylinder Also known as a 'central locking' cylinder. It is generally used to enable a key-holder to gain entry through a main door alongside the desired internal doors with one key. Master keyed cylinder (MK) This cylinder is used when a level of control is required to restrict the movement and/or access of people within a building. The cylinders are generally used in commercial buildings to help to reduce the number of keys in circulation and improve security. Types of cylinders An oval shaped body profile, with plug and key way situated at the top of the cylinder. Generally identified as single, double and thumb turn variants. The cylinder is secured into a UK style lockcase by its central fixing point below the cam in the centre of the cylinder. Euro shaped body profile, with plug and key way situated at the top of the cylinder. One of the most popular locks in use and generally identified as single, double and thumb turn variants. The cylinder is secured into a Euro profile lockcase by its central fixing point below the cam in the centre of the cylinder. Euro Scandinavian oval UK oval Round, rimandmortice Large round shaped body profile, with the plug and key way situated at the bottom of the cylinder. Scandinavian styles have a smooth body and a flat cam fitted to the back and bolted to a Scandinavian lock. A mortice cylinder has a threaded body and flat cam so it can be screwed into an American lock. A rim cylinder has threaded holes and a long tail bar to secure and interact with a rim lock. Large oval shaped body profile, with the plug and key way situated at the bottom of the cylinder. The cam and fixings are on the back of the cylinder to work with Scandinavian style locks. Keying requirement considerations What keying requirement is needed for the building or application? How to select the correct cylinder system Keyed to differ cylinder (KTD) All of our cylinders can be supplied as ‘keyed to differ’. This means each cylinder can only be operated using the key it is supplied with. Euro UK oval Scandinavian oval Round, rim and mortice P5 Euro UK oval Scandinavian oval Round, rim and mortice P5 Euro UK oval Scandinavian oval Round, ri and mortice P5 Euro UK oval Scandinavi n oval Round, rim and mortice P5
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