The NK1745 DK Bank Safe is a very large and highly secure safe designed for the most demanding applications in financial institutions and large commercial entities. It's manufactured by Viet Nam Bank Material Equipment And Vault Safe Joint Stock Company, which markets its products under the BEMC Safes and WELKO Safes brands. The "DK" suffix indicates that it is equipped with a mechanical combination lock system.
While specific detailed specifications for a model named "NK1745 DK" are not as widely published as some other models, based on the manufacturer's product lines and the model number convention (NK series being high-security, 1745 indicating very large size, and DK for mechanical lock), we can infer its typical features and capabilities. It likely represents one of the larger, perhaps two-door, models in their high-security offerings, designed to replace or complement a small strongroom.
Key Features (Inferred and based on similar high-end NK/LX DK models):
Premium Mechanical Combination Lock ("DK"):
Maximum Security: Equipped with a highly robust mechanical combination lock system, typically offering an extremely vast number of possible code combinations (often cited as 1 million different codes). This makes unauthorized entry via code guessing or manipulation virtually impossible.
Reliability: Mechanical locks are prized for their exceptional durability, resistance to electronic interference, and independence from external power sources. This ensures continuous, uninterrupted security, which is paramount in critical banking environments.
Multi-Factor Access: Opening the safe would involve precise dialing of the combination, likely followed by the use of a separate key lock, and then turning a very large, sturdy handle to retract the heavy-duty bolts.
Advanced Relocking Devices: Almost certainly includes sophisticated relocking mechanisms such as a spring-loaded relocking system and an independent glass relocking system. These are designed to activate automatically and permanently lock the safe if the lock or door is subjected to forceful attack (e.g., drilling, explosives), preventing any further access even if the primary lock is compromised. An integrated alarm system for tampering would also be highly probable.
Impregnable Anti-Theft Construction: The NK1745 DK would be built to withstand the most determined and sophisticated burglary attempts.
Massive Steel Thickness: Constructed from incredibly thick, high-grade, reinforced steel. Given its size, it would likely feature a very thick door (e.g., 12mm or more solid steel) and multi-walled body construction (e.g., 2mm outer steel with fireproof composites). The door would be a formidable solid cast block, engineered to resist cutting, drilling, and forceful prying.
"Stepwell" Door Design: This advanced, multi-layered door construction creates an intricate, interlocking seal with the safe body. This design significantly enhances resistance against prying tools and forms a formidable barrier against the intrusion of flames and heat during a fire.
Multi-Directional Locking Bolts: Features a large array of robust, solid steel bolts (likely chrome-plated for durability) that engage in multiple directions (typically four, including top and bottom) around the door. These bolts are designed to be anti-cutting and anti-breaking, ensuring the door remains firmly secured even under extreme force or impact. A full-size deal bar may also prevent door removal if hinges are cut.
Extreme Impact Resistance: These safes are engineered for ultimate structural integrity, with claims of surviving free falls from significant heights (e.g., 30 feet or 9.144 meters) without compromising security or fire resistance.
Exceptional Fireproof Capability: Essential for protecting irreplaceable paper documents, large sums of cash, and other heat-sensitive assets.
High Temperature Resistance: Rated to withstand extremely high temperatures, typically ranging from 1000°C to 1200°C.
Extended Fire Protection: Manufacturer specifications for comparable large models state protection for internal contents for up to 2 hours at 1037°C (or 1200°C). This provides a vital and extended period of protection in a severe fire emergency.
Very Large Capacity and Internal Organization:
The "1745" designation suggests a very tall safe, likely around 1745mm in height. This would provide substantial internal volume for storing bulk cash, numerous cash trays, large document boxes, ledgers, sensitive files, and other high-value items.
It is very probable that this model features a double-door configuration to maximize width and ease of access for very large items.
The spacious interior would include multiple adjustable shelves (e.g., 5-6) for efficient organization. Key hangers inside the door would also be a standard feature.
Cash Deposit Function (Depository Safe):
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