DORMA DL712 Inlet Lock 50x105 Q8 ZN

The DORMA DL712 inlet lock is a robust and reliable locking solution designed for diverse door applications. Engineered with precision, this lock features a 50 mm backset and a 105 mm center distance, ensuring compatibility with a wide range of standard door hardware. Its durable metal construction and galvanized finish provide excellent resistance to environmental factors, making it a dependable choice for both residential and commercial security needs.

Advantages

This inlet lock stands out due to its high-quality manufacturing standards and consistent performance. The galvanized coating offers superior protection against corrosion, which significantly extends the lifespan of the mechanism even in high-traffic areas. Its design focuses on smooth operation and structural integrity, ensuring that the door remains securely locked while maintaining ease of use for daily operations.

Suitable for

• Residential interior and exterior doors
• Commercial office doors
• Replacement of standard inlet locks
• Doors requiring a 50 mm backset and 105 mm center distance

This lock may not be suitable for heavy-duty fire-rated doors or specialized security doors that require multi-point locking systems or specific certifications not provided by this model. It is also not intended for use on doors with non-standard dimensions that do not align with the 50x105 mm configuration.

Key specifications

• Backset: 50 mm
• Center distance: 105 mm
• Follower size: 8 mm
• Finish: Galvanized
• Material: Metal

To install the DORMA DL712, ensure the door mortise is prepared to accommodate the 50x105 mm case dimensions. Insert the lock body into the door cavity and secure it using the appropriate mounting screws. Once fixed, install the handle and cylinder, ensuring the 8 mm square follower aligns correctly with the door handle mechanism. Test the locking and unlocking action several times before closing the door to ensure smooth operation.

What to consider before purchase

• Verify the backset measurement of your existing door
• Check the center distance between the handle and cylinder
• Ensure the door thickness is compatible with the lock dimensions
• Confirm the follower size matches your door handle spindle

Regularly inspect the lock mechanism for debris and apply a light lubricant to the moving parts annually to maintain optimal performance and smooth operation.