Abstract-Implementation of Steel Fireproof Door This paper outlines the technical process for the installation of steel fireproof doors, emphasizing the expertise of the China fire door factory, Henan Yuankai Door Industry Co., Ltd. It delves into the preparation, tools required, and detailed steps for the successful installation of multi-door access systems for steel fireproof doors. […]
Tag Archives: Multi-door access systems for steel fireproof doors
Multi-Door Access Systems for Steel Fireproof Doors – YK Doors 2025 Solutions
Product Range & Technical Specifications
YK Doors offers UL/EN-certified multi-door access systems for steel fireproof doors, ensuring compliance with NFPA 80, EN 16034, and GB 12955-2008 standards. Below are our key product categories, dimensions, and pricing structures.
1. Standard Multi-Door Access Systems
| Model | Door Type | Width Range | Height Range | Fire Rating | Price (USD) |
|---|---|---|---|---|---|
| YK-MD200 | Single-Leaf | 900–1000mm | 2100–2200mm | 1.5h (UL 10C/EN 1634-1) | $450–$600 |
| YK-MD300 | Double-Leaf | 1200–2100mm | 2100–2300mm | 2.0h (BS 476-22) | $800–$1,200 |
| YK-MD400 | Triple-Leaf | 2400–3000mm | 2300–2600mm | 3.0h (EN 16034) | $1,500–$2,500 |
Key Features:
✔ Electromagnetic lock compatibility (12/24V DC)
✔ Sequential closing mechanism (for double/triple-leaf)
✔ RFID/Bluetooth access control integration
2. Smart Access Control Upgrades
| System | Compatibility | Authentication | Price (USD) |
|---|---|---|---|
| YK-SmartLock Pro | YK-MD200/300 | Keypad + Mobile App | $250–$400 |
| YK-BioSecure | YK-MD300/400 | Fingerprint + Facial Recognition | $600–$900 |
| YK-CentralControl | Multi-door network | Cloud-based management | $1,500+ |
Standards Compliance:
UL 294 (Access Control)
EN 50133 (Alarm Systems)
ISO 27001 (Data Security)
3. Custom Industrial Solutions
For warehouses, hospitals, and data centers:
Extra-Wide Systems (up to 4000mm) – $3,000–$5,000
Explosion-Proof Access (ATEX/IECEx) – $4,500+
Emergency Override (NFPA 101) – +$300/door
Why Choose YK Doors?
✅ Fast Delivery: 7–10 days for standard systems
✅ Global Certifications: UL, EN, BS, GB, and AU standards
✅ 5-Year Warranty on hardware
Abstract: The application of sand-grain powder coatings on fire doors often encounters performance issues during bending processes, such as cracking and peeling of the coating. This study focuses on the optimization of polyester resin curing conditions, total resin content, coating thickness, additive ratios, and powder particle size to develop a sand-grain powder coating that resists […]

