D Grade Vault Door

The D Grade Vault Door is an ultra-high security door. It goes beyond the C Grade by adding blast resistance. This door meets the GB 37481-2019 standard. The break-in resistance is over 120 minutes. The fire resistance is 6 hours. The door has an anti-blast locking structure. It also has a blast buffer layer and explosion-proof steel plates. The frame uses high-strength special steel. The door has multiple layers. These include fire, drill-resistant, cut-resistant, pry-resistant, and blast-resistant layers. The bolts are solid stainless steel. The gap between the door and frame is less than 1mm. The D Grade Vault Door includes three or more mechanical combination locks as standard.

The D Grade Vault Door can handle extreme attacks. It stops ordinary hand tools, portable power tools, grinders, torches, and impact tools. It also stops explosions. The anti-blast locking structure keeps the door closed even during an explosion. You can add electronic and biometric systems. Options include fingerprint, finger vein, iris recognition, time locks, and relocking devices. The door opens in several ways. You can choose single or double doors. You can also choose a door-within-door design. The door can be installed in walls that are 300mm thick or more. This D Grade Vault Door works with both new construction and existing buildings.

Perfect for the Highest Risk Locations

 

This door works best in the highest risk locations. Large bank vaults use it for maximum protection. Pawn shops use it for high-value items. Nuclear facilities use it for secure areas. Research facilities use it for sensitive materials. Hebei Xinrui has 15 years of experience. Our factory is 20,000 square meters. We have over 200 workers. We use advanced equipment for precision manufacturing. We have strict quality control. We inspect materials when they arrive. We check during production. We test each door before shipping. We hold ISO9001, ISO14001, and ISO45001 certifications. We also have military quality certification. We hold 26 patents and 10 software copyrights. Our service covers the whole process. We design a custom solution for your site. We keep you updated during production. We offer 24-hour support after delivery. We respond within 48 hours for repairs. Our products are insured by the People's Insurance Company of China.

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