Explosion-Proof Door with Digital Lock

Technical Specifications – NEXA Explosion-Proof Door

Fire Resistance:
Certified by the Fire Department with 240 minutes of fire endurance.
Includes official test reports and certifications from Efectis Turkey Laboratory and the Building & Housing Research Center (BHRC).

Structure and Frame

• Door Leaf: Galvanized steel sheet, 2 mm thickness

• Frame: Galvanized steel structure, 3 mm thickness

Reinforced Internal Framework

• Anti-shock internal structure engineered to withstand mechanical stress and blast pressure waves.

Insulation Layer

• Cementitious air-dried insulation with steel mesh reinforcement for enhanced tensile strength under blast impact (thickness: 30 mm)

• Fire-rated rock wool, density 120 kg/m³, thickness 50 mm

Hinges

• Equipped with heavy-duty steel blade hinges with a solid steel axis

• Includes ball bearings and anti-friction thrust washers for smooth operation

Pre-paint Surface Preparation

• Degreasing and acid-washing for extended coating life and improved adhesion

Coating

• Electrostatic powder coating with standard curing process

• Conveyor (rail) technology ensures uniform film thickness and curing

• Color code: Customizable upon client request

Sealing System

• Fire-rated intumescent smoke seals (expanding up to 500%)

• Cold compression seals for dust and air tightness

Hardware

• Digital lock system

• Active leaf: Heavy-duty mechanical 3-point drop bolt lock

• Passive leaf (for double-leaf doors): Heavy-duty mechanical lock

• Double-cast latch bolts with container-type mechanism

Threshold

• Integrated steel fire- and smoke-rated threshold ensuring complete sealing and fire containment.