Product
High-security DUO double cylinder CISA TEKNO 55/55 for mechanical locking, designed for commercial and residential doors where maximum protection, controlled key duplication, and high durability are required.
Specifications
- Patented reversible key protected against illegal duplication; supplied with a security card. Key patent valid until 2026; shape protection until 2037.
- Advanced security: anti-pulling (Break Secure), anti-drill (hardened steel pins), anti-pick (special counterpins), and anti-bumping (BKP technology).
- Stator contains 12 pins: 6 active, 4 passive, 2 control; DIN steel cam; nickel-plated brass cylinder and keys; ergonomic plastic key head; 16 mm neck.
- Supports 63,000 cylinders per keyed pass; over 1,600,000 potential variations; durability rated for 100,000 cycles.
- Certified to EN 1303 and SKG** standards.
Usage
Install the cylinder in standard Euro-profile locks. DUO function allows unlocking from one side even if a key is inserted on the other. Use provided patented keys for operation; duplicate keys only via authorized centers using the included security card.
FAQ
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What level of security does this cylinder offer?
It features anti-pulling, anti-drill, anti-pick, and anti-bumping protections, along with patented key duplication controls.
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How many keys are supplied with the product?
Five individual registered keys are included in each set.
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Can I use the lock if a key is left inside?
Yes, the DUO function enables operation even if a key remains on the opposite side.
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How long is the key's patent and duplication protection valid?
Patent protection for duplication lasts until 2026; legal protection on key shape extends until 2037.
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Is the cylinder suitable for multi-lock master key systems?
Yes, it supports over 63,000 cylinders per master key and more than 1,600,000 key variations.
mvm-dt-2025-07-20