Door lock Jania Zamek 72/50 mm with key and lever Z079

Mortise door lock Jania Zamek model Z079 with a 72/50 mm backset and a keyed cylinder provides a compact, standard solution for interior and exterior doors. Designed to work with lever handles, this lock integrates a latch operated by a lever and a separate keyed deadlocking function. The mechanism is suitable for residential doors and light commercial applications where a keyed locking option and lever compatibility are required.

Advantages

The Jania Zamek Z079 offers a straightforward mortise mechanism with a separate latch and key-operated lock, ensuring controlled access and simple handle operation. Its 72/50 mm backset provides compatibility with commonly used door preparations, and the lever-actuated latch enables smooth opening and closing. The design is compact and intended for easy integration into standard timber or metal door leaves without requiring specialized modifications.

Suitable for

• Residential entrance and interior doors where keyed locking is needed
• Apartment and house doors with lever handles
• Light commercial premises such as offices or small retail spaces
• Door replacements or refurbishments using standard mortise preparations

Key specifications

• Lock type: mortise lock with latch and keyed cylinder
• Backset: 72/50 mm (distance from edge to cylinder center)
• Operation: lever-actuated latch with separate key deadlock
• Compatibility: designed for lever handles and standard mortise door preparations
• Intended use: residential and light commercial doors

How to use

Install the lock into a compatible mortise cutout in the door leaf, ensuring the 72/50 mm backset aligns with existing door hardware. Mount the lever handles on both sides and fit the keyed cylinder to engage with the internal mechanism. Operation is simple: press the lever to retract the latch for normal passage, and use the key to deadlock or unlock the mechanism as required for security. Regular inspection and correct alignment with strike plates ensure reliable function.

Usage recommendations

For optimal performance, use lever handles that match the lock's spindle and ensure the strike plate on the door frame is properly aligned. Periodically check and tighten mounting screws and lubricate the cylinder and latch with appropriate lock lubricant to maintain smooth operation. Choose door thickness and handle spindle lengths that are compatible with the mortise depth and backset.