Built-in gate lock Jania left key 90x63 Z109

Jania built-in gate lock Z109 is a left-key mortise lock sized 90x63 mm designed for installation in gates and metal or wooden doors. The lock features a mortise body for recessed mounting and a left-hand key orientation. It provides standard mechanical operation intended to secure entry points on residential or light-commercial gates and doors where a compact, flush-mounted locking solution is required.

Advantages

The lock’s mortise design allows for a flush installation that preserves gate and door aesthetics while offering reliable mechanical latching and deadlocking. Left-key orientation suits installations where the key cylinder must be positioned on the left side of the door. The compact 90x63 mm size fits common gate and door frame preparations, enabling straightforward replacement or retrofit without large modifications.

Suitable for

• Residential pedestrian gates
• Metal gates and entrance doors
• Wooden gates and doors with prepared mortise pockets
• Light-commercial entrance points

Key specifications

• Type: mortise gate lock for recessed installation
• Orientation: left-key configuration
• Body size: 90 x 63 mm (mortise case dimensions)
• Operation: mechanical key-operated locking and latching
• Suitable materials: metal and wood door compatibility

How to use

Prepare the gate or door by cutting a matching mortise pocket sized for a 90x63 mm case and ensure the left-side key orientation matches the required installation. Insert the lock body into the recessed pocket, align the faceplate with the door edge and secure it with appropriate fasteners through the faceplate holes. Install the external cylinder or key escutcheon according to the manufacturer’s mounting holes; check that the latch and deadbolt retract and extend smoothly using the key before closing the door. Adjust strike plate alignment on the frame so the latch and deadbolt engage without binding.

Usage recommendations

Use corrosion-resistant fasteners for external installations and lubricate the keyway periodically with graphite or a lock-specific lubricant. Verify compatibility of door thickness and mortise depth before installation and perform a functional test after mounting to ensure reliable operation.