Skip to content
ouble flap smoke vent – Dubai Civil Defence approved model by Envents

DUKHAN

Natural Smoke and Heat Exhaust Ventilator (NSHEV) APPLUS Certified

Very compact design for roof installation
High IP rated actuator for outboard operation
Failsafe operation with Fusible Links (100°C)
Ranges from 1m² to 4.84m²

Introducing the DUKHAN Natural Smoke and Heat Exhaust Ventilator (NSHEV), certified by APPLUS. Designed for superior smoke and heat exhaust in high apex warehouse, factories & various building types. DUKHAN complies with EN12101-2, standards, ensuring safety and efficiency in both every day and emergency scenarios. Proudly made in UAE.

Roof-mounted double flap smoke vent installation in Dubai
Dubai Civil Defence approved smoke vent by Envents
Open double flap smoke vent for smoke extraction in UAE buildings

Key Features of Smoke vent

  • Weatherproof Design: Double flap construction, adaptable to any roof opening with optional integrated soaker panel.
  • Robust Base Structure: Extruded aluminium profile alloy (6063-T6) ensures durability.
  • Enhanced Door Structure: Double door with continuous hinged connection for rigidity and waterproofing.
  • Cover Options: Single skin, double skin (25mm rockwool insulation, 60kg/m³ density), or PCA (16mm).
  • Efficient Actuator: Electric actuator designed for easy day-to-day and fire mode operation.
  • Advanced Control Mechanism: 72-hour battery backup, fire alarm integration, operates at 230V, 50/60Hz.
  • Optimal Opening Angle: Opens up to 90°.
  • Compliance: Constructed in accordance with EN12101-2, B300 standards.

Advantages of NSHEV

  • Customizable Design: Suitable for roof openings from 1m² to 4.84m².
  • Energy Efficiency: 16mm multiwall polycarbonate sheet maximizes natural light, reducing artificial lighting needs.
  • Quick Installation: Simple soaker panel mounting reduces installation time by half compared to conventional designs.
  • Low Maintenance: Minimal maintenance required with proper installation (DUKHAN O&M manual available upon request).
  • Eco-Friendly: Made from 100% recyclable aluminium & free from harmful materials.
  • Sound Insulation: Double sandwich panel structure with sound insulation index > 30 dB RW.
  • Regulatory Compliance: Fully compliant with EN12101-2, B300.
  • Reliability: Tested over 1,000 cycles for robustness and daily operation.
  • Aerodynamic Efficiency: Suitable for warehouse and factory designs based on NFPA 204 – 15 or BS 7346 Part 4 standards.
  • Effective Drainage System: Central drainage system effectively manages rainwater.
  • In-House Control Mechanism: Integrates fire alarm signals with 72-hour backup during power failures, customizable for multiple zones.
  • Weatherproof Construction: Silicon-based rubber gaskets with 300°C withstand capacity protect against rainwater and dust.

Applications of smoke vent

  • Warehouses
  • Factories
  • Hangers
  • Commercial Buildings
  • Industrial Facilities
  • Any Building Requiring Efficient Smoke and Heat Exhaust Systems

Specifications

  • Material: Extruded aluminium alloy (6063-T6)
  • Actuator: High IP rated for outdoor operation
  • Failsafe Operation: Equipped with fusible links (100°C)
  • Opening Angle: Up to 90°
  • Insulation Options: Single skin, double skin (25mm rockwool), or PCA (16mm)
  • Compliance: EN12101-2, B300

Why Choose the DUKHAN Natural Smoke and Heat Exhaust Ventilator (NSHEV)?

Choosing DUKHAN means opting for a reliable, efficient, and compliant smoke and heat exhaust solution. With customizable designs, energy-saving features, and robust construction, DUKHAN enhances building safety and efficiency. Its ease of installation, low maintenance requirements, and eco-friendly materials make it a leading choice in the market. Proudly made in UAE.