Description
Key Features / Characteristics:
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Application / Use Case
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Designed for aluminum-frame doors, including sliding doors.
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It’s often used in windows, gates, or sliding systems
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Locking Mechanism
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May have a hook latch mechanism (for sliding / wooden doors) — for example, the Welka 2640000 model is a hook lock.
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There are versions with double-sided keying, meaning both sides of the sliding door can be locked/unlocked with a key.
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Material & Build
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High-quality steel or nickel-plated steel for durability.
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C
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Backset / Entry
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Different models have different “entrata” (backset) values: e.g. 15 mm for one model.
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There is also a “30 mm entrata” model (Welka 16030100) designed for aluminum sliding doors.
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Lock Quality / Reliability
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Welka emphasizes quality manufacturing and reliable locking systems.
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Their production is certified (they mention UNI EN 12209 standard on product quality)
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Security
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Strong hook or bolt prevents easy forced entry (depending on the model).
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Spare cylinders are available — meaning you can get replacement key cylinders if needed.
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