China Blast Resistant Doors from Trusted Suppliers | Factory-Made Safety Solutions for Industrial Protection
| Door Frame |
Typically made from channel steel or rectangular tubing. • Class A Frame: 50mm × 120mm × 4.0mm rectangular tubing • Class B Frame: 30mm × 120mm × 3.0mm rectangular tubing |
| Door Panel |
Constructed from steel plates, reinforced with insulation or fireproof core materials. Class A panels use 50mm × 70mm × 3.0mm rectangular tubing for the skeleton, welded with 3.0mm thick high-quality carbon steel plates. |
| Door Panel Thickness by Blast Pressure |
• 5.0mm for 0.19 MPa pressure resistance • 4.0mm for 0.15 MPa pressure resistance • 3.0mm for 0.11 MPa pressure resistance |
| Hardware Accessories |
• Pressure-bearing hinges • Locks: blast-resistant handwheel locks or emergency push bar locks |
| Blast Pressure Resistance |
Common ranges: 0.021 MPa to 0.19 MPa Customizable for specific high-pressure requirements |
| Sealing Performance |
Door-to-frame gaps ≤ 10mm Door edge-to-frame contact gaps ≤ 5mm |
Blast-resistant doors are constructed from high-grade steel or composite materials, providing superior impact resistance and corrosion resistance. They effectively withstand explosive pressure and shock waves.
Equipped with high-strength rubber gaskets or sealing strips between the door frame and panel, they prevent harmful gas or flame leakage, ensuring a secure environment.
The doors incorporate multi-point locking mechanisms to thwart unauthorized entry while ensuring rapid emergency exits.
Compliant with national fire safety standards, the doors offer a specified level of fire resistance to mitigate fire risks.
All doors undergo stringent blast resistance testing, adhering to GB 50016-2014 "Building Fire Protection Design Code" and other industry standards.
Available in single or double-door configurations, the designs cater to varying applications and facility needs.
With specially treated surfaces, the doors resist corrosion, rust, and wear, ensuring long-term performance with minimal maintenance.
Designed for areas storing or producing flammable gases and chemicals, ensuring worker safety and equipment protection.
Safeguards facilities during extraction, storage, and processing operations, mitigating risks from leaks and explosions.
Essential in military factories and storage depots for securing weapons and explosives, ensuring maximum safety and confidentiality.
Protects workers in high-temperature and high-pressure environments, preventing blast-related incidents.
Used in facilities managing hazardous materials, reducing property damage and casualties during accidents.
What materials are typically used for Class A blast-resistant door frames and panels?
Class A door frames are made from 50mm × 120mm × 4.0mm rectangular tubing. The door panels feature a skeleton of 50mm × 70mm × 3.0mm rectangular tubing, welded with 3.0mm thick high-quality carbon steel plates and reinforced with insulation or fireproof core materials.
What door panel thicknesses are required for different blast pressure levels?
The steel plate thickness of the door panel corresponds to its pressure resistance: 5.0mm thickness is used for 0.19 MPa resistance, 4.0mm for 0.15 MPa resistance, and 3.0mm for 0.11 MPa pressure resistance.
What are the standard sealing gap requirements for blast-resistant doors?
To maintain proper airtightness and protection against shock waves, the gap between the door and the frame must be ≤ 10mm, and the contact gap between the door edge and the frame must be ≤ 5mm.
Which industries require the installation of blast-resistant doors?
These doors are essential in high-risk facilities such as chemical plants, the oil and gas industry, defense and ammunition depots, metallurgy and mining operations, and logistics warehouses managing hazardous materials.
How should the sealing strips and hardware be maintained?
Sealing strips should be regularly checked for aging or damage and replaced as needed. Hardware accessories, including pressure-bearing hinges, handwheel locks, and emergency push bars, must be periodically lubricated and replaced if worn out.
What codes and standards do these protective doors comply with?
All blast-resistant doors undergo rigorous testing and comply with national building regulations, specifically adhering to the GB 50016-2014 "Building Fire Protection Design Code" and other applicable industry safety standards.