Special Cylinder Functions

Here are some details of the optional special functions our in-house Evva Production Department can provide you with.  These functions are perfectly suited to make sure that the cylinder you fit is ideal for the application and environment where it is installed, be that a costal hotel, a school or a rental property.

Allows operation of the cylinder from the outside even if a key is inserted on the inside.

For double cylinders only

Thumbturn is disengaged when a key is inserted on the outside allowing access even if turn is blocked or held.

For key & turn cylinders only

Thumbturn can only be rotated in one direction (reversible) so that a door can only be unlocked from the inside, it is supplied with SOSE as standard.

For key & turn cylinders only

Cylinder will snap at a pre determined point to prevent entry via snapping, please note that this function is not TS007 rated.

For compact cylinders only

Provides protected against access via a specially milled bump key by using separated body pins.

For compact cylinders only

Free wheel function without forced decoupling when key is inserted (supplied in-house)

For motorised locks only

Bump and snap resistant cylinders Kitemarked on the external anti snap side only with the 3*** logo.

For modular cylinders only

Designed for use with multi-point locks or specialist mortice locks that are operated via a gear ring or a toothed rack, they can be supplied with 10, 13, 14 or 18 teeth instead of a standard cam.

For all DZ & KDZ and HZ cylinders

Spring loaded shutter plates mounted on the outside of the cylinder open and close when the key is inserted or removed.  NB - adds 5mm to cylinder length.

Protection from dust and harsh environments

3 sets of keys are provided, once key B is used then the A keys no longer work; when the C key is used then neither A nor B keys will no longer work.

For compact cylinders only, ICS only available as AB Vario - Ideal for rental properties

Cylinders installed during construction and operated with the "A" key, After the building work is handed over the "B" keys which are given to the owners; once used they operate the locks and lock out the "A" keys.

For all compact and ICS modular cylinders - Ideal for construction projects

The cylinder can only be operated when an authorised key is inserted in the opposite side.

For double cylinders only

A special version of the BSZ function where only the authorised GEFE key can operate the cylinder even if a key is inserted in the other side.

For EPS double cylinders only

Allows temporary access for service keys, if the key is removed in "S" position the service key will work but if it is removed in the "I" position, it will not.

For ICS cylinders only

A special version of the BSZ function where only the authorised HOT key can operate the cylinder even if a key is inserted in the other side and a red pin shows if that key is present.

For EPS double cylinders only - Ideal for hotels

Ideal for use on high use cylinders such as communal entrances where cylinders are used far more often.

For all cylinder types

Comes as standard for Aldridge cylinders.

For all cylinder types

Specific numbering or sequential numbering on keys to allow the end user to keep track of issued keys and highlight losses.

For all cylinder types

One or both sides of the cylinder can be operated via Square, Triangle, Hexagon or slot feature, e.g. one side could be opened with a key and the other by an 8mm socket.

For all cylinder types

For use in special metal framed doors with integrated security roses.

For all cylinder types

A special nickel silver cam connects to the plugs on both sides to protect from plug pulling attempts.

For DZ & KDZ Compact cylinders only

Carbide components in the plug protect against plug pulling attempts.

For all cylinder types

Certified plug pulling protection for compact cylinders, this feature needs to be installed in the cylinder or escutcheon to fulfill resistance class 2-6

For DZ & KDZ Compact cylinders only

Two threaded M4 holes on the rear of a half cylinder, ideal for counters or alarms.

For HZ cylinders only