Railway Fire Door Wind Load Resistance

At Metro/Railway System, your protection is our mission. Our airtight, wind-resistant, and fire-rated tunnel doors are engineered to:

✅ Prevent Fire & Smoke Spread – Containing hazards to safeguard passengers and critical infrastructure.

✅ Block Strong Winds & Pressure – Maintaining stability in tunnels for uninterrupted travel.

✅ Ensure Rapid Evacuation – Sealing off danger zones while keeping escape routes clear.

Ride with confidence—every door is a shield for your journey. At the heart of every safe railway system lies an unseen guardian: the certified fire door. Installing these critical barriers isn't just a technical task; it's a profound responsibility shouldered by our dedicated railway fire door installation engineers. They understand the weight of their role: lives, infrastructure and operational continuity depend on their precision and vigilance. Choose a partner whose engineers don't just install doors, they embody the commitment to safety. Our rigorous training, certified expertise, and deeply ingrained culture of accountability ensure your railway fire protection is in the most responsible hands.

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Railway Fire Door Wind Load Resistance

Characteristics

CORROSION RESISTANCE PROTECTED AGAINST THE HUMID, SOMETIMES CHEMICALLY AGGRESSIVE TUNNEL ENVIRONMENT. GALVANIZED STEEL OR STAINLESS STEEL (SS304/316) FOR LEAF, FRAME, AND HARDWARE.POWDER COATING OR OTHER PROTECTIVE TREATMENTS.

DURABILITY & RELIABILITY ENGINEERED FOR HIGH-FREQUENCY USE IN HARSH ENVIRONMENTS.HARDWARE (LOCKS, HINGES) MUST WITHSTAND >/= 300,000 OPEN-CLOSE CYCLES.

AIRTIGHTNESS PREVENTS THE PASSAGE OF SMOKE AND AIR IN THE EVENT OF A FIRE OR PRESSURE WAVE. DESIGNED TO WITHSTAND CYCLIC POSITIVE AND NEGATIVE PRESSURE PULSES GENERATED BY THE PISTON EFFECT OF TRAINS IN TUNNELS.

Certification Standard

EN 45545-2 Requirements for fire behavior of materials Europe Material reaction-to-fire

(Flame spread, heat release, smoke & toxicity) Classifies materials by use (R1-R26) and vehicle risk level (HL1-HL3)

EN 45545-3 Fire resistance requirements for fire barriers Europe Fire resistance (Integrity-E, Insulation-I, Radiation-W)

T/CAMET 05001-2020 Tunnel Wind & Fire Resistant Doors China Classification

T/CAMET 05002-2020 Technical Specification for Engineering China Design, installation, acceptance, maintenance of tunnel fire doors

GB 51298-2018 Subway Design Fire Protection Standard China Fire safety design for metro systems

NFPA 130 Standard for Fixed Guideway Transit

Technical data

PRIMARY PERFORMANCE	CHARACTERISTIC DESCRIPTION & STANDARDS	ADDITIONAL PERFORMANCE FEATURES
① Wind Load Resistance	Designed to withstand cyclic positive and negative pressure pulses generated by the piston effect of trains in tunnels.	① Water Tightness
Rating	6000Pa	Resistance to water penetration (e.g., Grade 4 or higher).
② Fire Resistance	Prevents the spread of fire and smoke between tunnel sections or safe havens.	② Thermal Insulation
Rating	Typically Class A as per GB 12955. - Integrity (E) & Insulation (I): Minimum EI 90 or often EI 120 (1.5/2 hours of resistance). Some critical applications require EI 180.	Helps manage temperature within tunnels and safe areas.
③ Airtightness	Prevents the passage of smoke and air in the event of a fire or pressure wave.	③ Acoustic Insulation
Rating	High air permeability class is required (e.g., Class 4 or higher as per relevant standards). Achieved through robust perimeter seals (e.g., silicone or EPDM gaskets).	Reduces noise transmission between tunnel sections.
④Durability & Reliability	Engineered for high-frequency use in harsh environments.	④ Self-Closing Mechanism
Cycles	Hardware (locks, hinges) must withstand >/= 300,000 open-close cycles.	Doors must close and latch automatically from any open position upon release, crucial for fire safety.
Overall Door	Must remain functional after >/= 500 cycles without damage.	COMPONENT SPECIFICATION DETAILS
⑤ Corrosion Resistance	Protected against the humid, sometimes chemically aggressive tunnel environment.	Leaf & Frame: 2.0mm high quality galvanized Steel
Materials	Galvanized steel or Stainless Steel (SS304/316) for leaf, frame, and hardware.	Core: Filled with non-combustible, fire-resistant insulation
Finish	Powder coating or other protective treatments. Hinges and locks are often made of stainless steel.	Thickness: Door leaf thickness is significant to meet structural and fire ratings (e.g., >/= 45mm)
SAFETY FEATURES		Sealing System - Peripheral Seals: Silicone or EPDM rubber gaskets mounted on the door frame and/or leaf.
Anti-Derailment Device	Safety chains or brackets to prevent the door from collapsing completely if dislodged from its hinges.	Threshold Seal: An automatic or fixed seal at the bottom is essential for airtightness.
Anti-Derailment Device		Hardware - Hinges: Heavy-duty, fire-rated hinges with stainless steel pins (min. thickness >/= 3mm).
Vision Panel (if applicable):	Fire-rated glass and ceramic intumescent sealant	Locking: Multi-point locking mechanism (e.g., 3-point lock) with a fire-rated handle.
Vision Panel (if applicable):	(often not present for full barrier doors).	Closers: Overhead door closers with adjustable closing force and speed, certified for fire doors.