Double Flap Units

PRODUCT FEATURES

This double-flap smoke vent is designed for rapid removal of warm air and smoke, while also providing daily ventilation and natural daylight. It can be installed on a variety of kerbs and domes, offering flexibility across different roof types. Constructed from high-quality, corrosion-resistant aluminium, it ensures durability, watertightness and low maintenance.

The vent is manufactured to ISO 9001 standards and complies with EN 12101-2 for natural smoke and heat exhaust ventilation. Endurance-tested for 10,000 opening and closing cycles, it is available with pneumatic or electric actuation and in large sizes up to 2500 × 3500mm (W × L).

TYPICAL APPLICATIONS

Can be installed directly on roofs or within barrel vault daylighting systems. Ideal for warehouses, logistics centers, manufacturing facilities, and industrial environments.

MATERIALS

Tempered aluminium (EN AW 5754), resistant to sea water and corrosion, with corrosion-resistant bearings. Sealant prevents freezing while maintaining low air permeability.

Note: Aluminium is supplied untreated as standard, with the option for electrostatic powder coating in any RAL colour.

DIMENSIONS

Roof opening widths: 1000–2500mm; lengths:1000–3500mm.

REGULATIONS

The system is EN 12101-2 certified and ATEX-compliant, tested according to Directive 2014/34/EU.

WEIGHT

Depends on the dimensions and type of infill.

OPTIONS

Custom dimensions, powder-coated design (any RAL colour), Bird or insect mesh, Anti-fall grid 1200 J.

OPENING ANGLE

Individually adjustable from 0 up to 90 degrees,

ACOUSTIC PERFORMANCE

From 20 dB until 37dB depending on the type of the flap and acoustic kit.

CONTROLS NATURAL VENTILATION:

P2: Double pipe compressed air operation

M230V: Electric motor

CONTROLS FIRE VENTILATION

P2F: Double pipe compressed air operation with fire function

M24V: Electric motor

Download Technical Data Sheet

Why choose Steelway

From design through to manufacture and installation we work to the most exacting standards to provide quality products for all industrial applications. More than anything, we pride ourselves on customer service and our ability to produce the right product at the right price - right on time.

  • Market Leaders with over 90 years experience within the industry
  • Experienced Fabricators
  • Professional facilities such as laser cutting and off-site construction
  • Design fabrication and installation services

Bespoke fabrication

Steelway offer bespoke metalwork fabrication with a wide range of capabilities allowing for unique specifications as required by the customer. Tailor making metalwork to suit you. Our in-house drawing office will work with you to detail your requirements using the latest 3D software. This is complimented by our excellent fabrication & installations capabilities to enable us to fulfil your metalwork requirements.

Get in touch

Get in touch with our team to enquire about 
Double Flap Units
Enquire
Copyright Steelway Fensecure Ltd 2023. All Rights Reserved. Steelway is part of the Northern Industries Family
Website by Gravitas

Double Flap Units

PRODUCT FEATURES

This double-flap smoke vent is designed for rapid removal of warm air and smoke, while also providing daily ventilation and natural daylight. It can be installed on a variety of kerbs and domes, offering flexibility across different roof types. Constructed from high-quality, corrosion-resistant aluminium, it ensures durability, watertightness and low maintenance.

The vent is manufactured to ISO 9001 standards and complies with EN 12101-2 for natural smoke and heat exhaust ventilation. Endurance-tested for 10,000 opening and closing cycles, it is available with pneumatic or electric actuation and in large sizes up to 2500 × 3500mm (W × L).

TYPICAL APPLICATIONS

Can be installed directly on roofs or within barrel vault daylighting systems. Ideal for warehouses, logistics centers, manufacturing facilities, and industrial environments.

MATERIALS

Tempered aluminium (EN AW 5754), resistant to sea water and corrosion, with corrosion-resistant bearings. Sealant prevents freezing while maintaining low air permeability.

Note: Aluminium is supplied untreated as standard, with the option for electrostatic powder coating in any RAL colour.

DIMENSIONS

Roof opening widths: 1000–2500mm; lengths:1000–3500mm.

REGULATIONS

The system is EN 12101-2 certified and ATEX-compliant, tested according to Directive 2014/34/EU.

WEIGHT

Depends on the dimensions and type of infill.

OPTIONS

Custom dimensions, powder-coated design (any RAL colour), Bird or insect mesh, Anti-fall grid 1200 J.

OPENING ANGLE

Individually adjustable from 0 up to 90 degrees,

ACOUSTIC PERFORMANCE

From 20 dB until 37dB depending on the type of the flap and acoustic kit.

CONTROLS NATURAL VENTILATION:

P2: Double pipe compressed air operation

M230V: Electric motor

CONTROLS FIRE VENTILATION

P2F: Double pipe compressed air operation with fire function

M24V: Electric motor

Download Technical Data Sheet

+44 (0) 1902 490 919

sales@fensecure.co.uk

Queensgate Works,Bilston Road,
Wolverhampton,West Midlands,WV2 2NJ
Copyright Steelway Fensecure Ltd 2023. All Rights Reserved. Steelway is part of the Northern Industries Family
Website by Gravitas

Double Flap Units

PRODUCT FEATURES

This double-flap smoke vent is designed for rapid removal of warm air and smoke, while also providing daily ventilation and natural daylight. It can be installed on a variety of kerbs and domes, offering flexibility across different roof types. Constructed from high-quality, corrosion-resistant aluminium, it ensures durability, watertightness and low maintenance.

The vent is manufactured to ISO 9001 standards and complies with EN 12101-2 for natural smoke and heat exhaust ventilation. Endurance-tested for 10,000 opening and closing cycles, it is available with pneumatic or electric actuation and in large sizes up to 2500 × 3500mm (W × L).

TYPICAL APPLICATIONS

Can be installed directly on roofs or within barrel vault daylighting systems. Ideal for warehouses, logistics centers, manufacturing facilities, and industrial environments.

MATERIALS

Tempered aluminium (EN AW 5754), resistant to sea water and corrosion, with corrosion-resistant bearings. Sealant prevents freezing while maintaining low air permeability.

Note: Aluminium is supplied untreated as standard, with the option for electrostatic powder coating in any RAL colour.

DIMENSIONS

Roof opening widths: 1000–2500mm; lengths:1000–3500mm.

REGULATIONS

The system is EN 12101-2 certified and ATEX-compliant, tested according to Directive 2014/34/EU.

WEIGHT

Depends on the dimensions and type of infill.

OPTIONS

Custom dimensions, powder-coated design (any RAL colour), Bird or insect mesh, Anti-fall grid 1200 J.

OPENING ANGLE

Individually adjustable from 0 up to 90 degrees,

ACOUSTIC PERFORMANCE

From 20 dB until 37dB depending on the type of the flap and acoustic kit.

CONTROLS NATURAL VENTILATION:

P2: Double pipe compressed air operation

M230V: Electric motor

CONTROLS FIRE VENTILATION

P2F: Double pipe compressed air operation with fire function

M24V: Electric motor

Download Technical Data Sheet

+44 (0) 1902 921 525

protect@steelway.co.uk

Brickhouse Lane, West Bromwich,
West Midlands, B70 0DY
Copyright Steelway Fensecure Ltd 2023. All Rights Reserved. Steelway is part of the Northern Industries Family
Website by Gravitas

Double Flap Units

PRODUCT FEATURES

This double-flap smoke vent is designed for rapid removal of warm air and smoke, while also providing daily ventilation and natural daylight. It can be installed on a variety of kerbs and domes, offering flexibility across different roof types. Constructed from high-quality, corrosion-resistant aluminium, it ensures durability, watertightness and low maintenance.

The vent is manufactured to ISO 9001 standards and complies with EN 12101-2 for natural smoke and heat exhaust ventilation. Endurance-tested for 10,000 opening and closing cycles, it is available with pneumatic or electric actuation and in large sizes up to 2500 × 3500mm (W × L).

TYPICAL APPLICATIONS

Can be installed directly on roofs or within barrel vault daylighting systems. Ideal for warehouses, logistics centers, manufacturing facilities, and industrial environments.

MATERIALS

Tempered aluminium (EN AW 5754), resistant to sea water and corrosion, with corrosion-resistant bearings. Sealant prevents freezing while maintaining low air permeability.

Note: Aluminium is supplied untreated as standard, with the option for electrostatic powder coating in any RAL colour.

DIMENSIONS

Roof opening widths: 1000–2500mm; lengths:1000–3500mm.

REGULATIONS

The system is EN 12101-2 certified and ATEX-compliant, tested according to Directive 2014/34/EU.

WEIGHT

Depends on the dimensions and type of infill.

OPTIONS

Custom dimensions, powder-coated design (any RAL colour), Bird or insect mesh, Anti-fall grid 1200 J.

OPENING ANGLE

Individually adjustable from 0 up to 90 degrees,

ACOUSTIC PERFORMANCE

From 20 dB until 37dB depending on the type of the flap and acoustic kit.

CONTROLS NATURAL VENTILATION:

P2: Double pipe compressed air operation

M230V: Electric motor

CONTROLS FIRE VENTILATION

P2F: Double pipe compressed air operation with fire function

M24V: Electric motor

Download Technical Data Sheet

Copyright Steelway Fensecure Ltd 2023. All Rights Reserved. Steelway is part of the Northern Industries Family
Website by Gravitas

Double Flap Units

PRODUCT FEATURES

This double-flap smoke vent is designed for rapid removal of warm air and smoke, while also providing daily ventilation and natural daylight. It can be installed on a variety of kerbs and domes, offering flexibility across different roof types. Constructed from high-quality, corrosion-resistant aluminium, it ensures durability, watertightness and low maintenance.

The vent is manufactured to ISO 9001 standards and complies with EN 12101-2 for natural smoke and heat exhaust ventilation. Endurance-tested for 10,000 opening and closing cycles, it is available with pneumatic or electric actuation and in large sizes up to 2500 × 3500mm (W × L).

TYPICAL APPLICATIONS

Can be installed directly on roofs or within barrel vault daylighting systems. Ideal for warehouses, logistics centers, manufacturing facilities, and industrial environments.

MATERIALS

Tempered aluminium (EN AW 5754), resistant to sea water and corrosion, with corrosion-resistant bearings. Sealant prevents freezing while maintaining low air permeability.

Note: Aluminium is supplied untreated as standard, with the option for electrostatic powder coating in any RAL colour.

DIMENSIONS

Roof opening widths: 1000–2500mm; lengths:1000–3500mm.

REGULATIONS

The system is EN 12101-2 certified and ATEX-compliant, tested according to Directive 2014/34/EU.

WEIGHT

Depends on the dimensions and type of infill.

OPTIONS

Custom dimensions, powder-coated design (any RAL colour), Bird or insect mesh, Anti-fall grid 1200 J.

OPENING ANGLE

Individually adjustable from 0 up to 90 degrees,

ACOUSTIC PERFORMANCE

From 20 dB until 37dB depending on the type of the flap and acoustic kit.

CONTROLS NATURAL VENTILATION:

P2: Double pipe compressed air operation

M230V: Electric motor

CONTROLS FIRE VENTILATION

P2F: Double pipe compressed air operation with fire function

M24V: Electric motor

Download Technical Data Sheet

CEL Sheet Metal Ltd is a UK based sheet metal and assembly business, offering a variety of services that can effectively replace your existing sub-contract manufacturing requirements.

+44 (0) 1952 200 741
sales@celsheetmetal.com
Stafford Park 11
Telford
Shropshire
TF3 3AY
Copyright CEL Sheetmetal ltd 2023. All Rights Reserved.   Privacy Policy   |    Terms of Service    |    Website by Gravitas