Metal Steel Moisture-proof Protective Sealed Door

The Custik Metal Hermetic Moisture-proof Door complies with the standard "GJB 2805B-2021 Technical Requirements for Anti-Theft in Ordnance Warehouses". The parameters of the metal hermetic moisture-proof doors produced by our company are as follows:

I. Materials and Structural Design

(1) Quality Standard: Complies with the standard "GJB 2805B-2021 Technical Requirements for Anti-Theft in Ordnance Warehouses".

(2) Material Selection: Uses high-strength alloy materials or steel that meet national military standards, with pressure resistance, wear resistance, fire resistance, and corrosion resistance.

① Main door leaf steel plate thickness ≥ 4mm,

② Main door frame steel plate thickness 8-10mm,

③ Auxiliary door (small door) leaf steel plate thickness ≥ 4mm,

④ Auxiliary door (small door) frame steel plate thickness ≥ 6mm.

(2) Structural Design: The door body must have good sealing, using rubber sealing strips and other designs to ensure no light transmission, no air leakage, and no water leakage, preventing the intrusion of external harmful gases and flames.

① The number of hinges is not less than 2, with an opening angle of up to 180 degrees, and the locking device can only be operated from the inside of the door to prevent external damage.

② The number of locks for a single-leaf door should be no less than 10; for a double-leaf door, no less than 15; all locks should be interconnected and operate simultaneously.

II. Protective Performance

(1) Moisture-proof Performance: The surface of the hermetic moisture-proof door is made of corrosion-resistant, acid and alkali-resistant materials, capable of withstanding harsh marine climate conditions. It features a three-layer sealed ventilation window design, effectively ensuring indoor and outdoor ventilation without allowing indoor humidity.

(2) Anti-Theft Performance: The anti-destruction capability reaches Level 1, meaning the anti-destruction time is ≥ 40 minutes, capable of resisting damage from ordinary mechanical tools and portable power tools. The lock must have high security, such as mechanical combination locks, electronic combination locks, or concealed beam locks, with a key capacity of ≥ 100,000, a cross-keying rate of ≤ 0.03%, and anti-technical opening time of ≥ 5 minutes (Level 1 anti-theft).

III. Sealing Performance

(1) Sealing Strips: High-quality sealing strips are used, capable of maintaining sealing effectiveness over the long term, effectively blocking external moisture, air, and pollutants from entering the indoor space.

(2) Compression Mechanism: Equipped with an interconnected compression mechanism, such as an eccentric handle or gear-link locking mechanism, which uses mechanical transmission to achieve tight contact between the door leaf and frame, enhancing sealing performance while making door opening and closing more convenient and quick.

(3) Overall Performance: After installation, the door must achieve a hermetic effect with no light transmission, no air leakage, and no water leakage. When placed flat, it should not leak water within 2 hours.

IV. Safety and Protective Performance

(1) Lock Configuration: Meets Level 1 anti-theft standards. Mechanical components should have a working life of over 60,000 cycles, key torque not less than 3 Nm, lock key capacity not less than 60,000, pin tumbler lock pin step difference not less than 0.5mm, and lock cross-keying rate not greater than 0.03%.

① Mechanical combination locks should have no fewer than 3 code-turning pieces. Each code-turning piece should have no fewer than 6 randomly set key positions and shallow grooves to prevent technical opening, with a diameter difference between turning pieces not exceeding 1mm. The number of available combinations for a single lock should be no less than 7×7×6 groups.

② For mechanical combination locks using a detachable key handle, the keyhole is equipped with a movable metal cover that can only be opened with a special tool. The cover should open flexibly and conveniently, with a locking force between 30N and 49N.

③ The mechanical combination mechanism should have a working life of over 60,000 cycles. During 15,000 consecutive combination unlocking operations, no combination failure should occur, and the combination deviation should be no less than 1 graduation.

(2) Anti-Explosion and Pressure Resistance: The door structure's anti-deformation design generally has an anti-explosion pressure resistance between 0.6-1.0 MPa.

V. Manufacturing Process

Made through one-time molding, block assembly, and welding, with weld seams not exceeding 2mm, ensuring the reliability of moisture-proof hermetic sealing.

Paint:

VI. Testing and Maintenance

(1) Testing Requirements: Before being put into use, the door must pass rigorous tests for explosion resistance, anti-theft performance, and sealing to ensure compliance with standards.

(2) Maintenance Requirements: Develop an inspection plan to check door body, locks, sealing strips, and other components, record maintenance status, and ensure long-term reliable operation.

VII. Applications of Metal Hermetic Moisture-proof Doors

(1) Material Warehouses: This is the primary application site for hermetic doors. They are used to store special equipment and materials, preventing moisture damage to special materials and ensuring safety.

(2) Naval Vessels: Highly demanding compartments such as sealed cabins, engine rooms, and rear material warehouses inside vessels can effectively prevent seawater intrusion and moisture damage to equipment and cargo.

(3) Tunnel and Cave Depots: In military facilities like cave depots and tunnels, hermetic moisture-proof doors not only provide security but also prevent moisture damage to special equipment.

(4) Other Special Sites: They can also be used in high-security locations such as cultural relic storage, vaults, and ammunition depots, meeting these sites' requirements for security, sealing, and moisture resistance.

VIII. Certifications and Qualifications

Some certifications for Custik Metal Hermetic Moisture-proof Doors: Weapon and Equipment Quality Management System Certification,

Test reports and other certificates confirming compliance with "GJB 2805B-2021 Technical Requirements for Anti-Theft in Ordnance Warehouses" for metal hermetic moisture-proof doors.

Some certifications for Custik Metal Hermetic Moisture-proof Doors (some certificates are not publicly available).

The above is an introduction to the metal hermetic moisture-proof windows produced by Custik. If you have any needs, please contact us.