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AT-FSD Series Motorised Air Transfer Fire Damper

Verified by manufacturer 1 day ago

BSB Engineering Services Limited

Motorized fire damper designed to maintain fire compartmentation in the event of a fire whilst allowing for air movement in installations without ductwork.

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Application

For internal use in buildings .

  • Intended for installations without ductwork.
  • To be installed above protective doorways and in extended fire separations within ceiling voids.
  • May be used for dryline walls and masonry/concrete constructions.
  • Suitable for protected escape routes and areas with sleeping risk.

Requires access from one side of the fire separation wall only during installation.

Description

AT-FSD series ES rated motorized fire damper is designed to stop the spread of fire whilst maintaining air movement in installations without ductwork. Available in a range of sizes, it consists of a base damper housed within a fully welded galvanized steel sleeve.

Its peripheral flange allows it to be fitted flush into the builders aperture using side fixings only whilst an optional non-vision grille provides a discrete appearance.

Features and benefits:

  • Reduced top and bottom flange.
  • Integral thermal fuse bracket.
  • Fire resistance tested to BS EN 1366-2.
  • ES classified to BS EN 13501-3.
  • CE marked to BS EN 15650.
  • Available in sizes from 200 mm wide x 175 mm high up to 1000 mm wide x 300 mm high (aperture size).
  • Optional purpose made matching grille in standard RAL 9010 available.

General information

Color

Silver

Finish

Galvanized

Material

Steel

Shape

Rectangle

Square

Length

360 mm

Guidance for specification option:

Allow 425 mm with cable bend.

Manufacturer guidance

Depth.

Width

Bespoke

Guidance for specification option:

Minimum: 200 mm.

Maximum: 1000 mm.

Height

Bespoke

Guidance for specification option:

Minimum: 175 mm.

Maximum: 300 mm.

Uniclass

Pr_65_65_24_30 Fire dampersPrimary
Pr_65_65_24_29 Fire and smoke dampers

CAWS

U90/443 Dampers, fire/ smoke

U9/340 Fire dampers

Specification data - Fire dampers

Classification data

Standards

-

Fire dampers

To BS EN 15650.

Test methods

To BS EN 1366-2.

Classification

ES120 to BS EN 13501-3.

Arrangement

Opposed blade.

Guidance for specification option:

"Opposed motion" interlocking engagement when damper is closed.

Material

Frame: 1.2 mm galvanized steel.
Blades: 0.7 mm galvanized steel double skin airfoil, 100 mm pitch.

Guidance for specification option:

  • Frame/ blade: To BS EN 10142 DX51D+Z275.
  • Frame: fully seam welded corners along the entire depth to produce a rigid and airtight construction. All welds are coated with environmentally-friendly water-based corrosion-resistant paint finish.

Manufacturer guidance

Consult manufacturer's literature for further details.

Environmental performance

-

Recycled content

As defined in clause 7.8 of BS EN ISO 14021

Manufacturer's standard.

Thermal release mechanism

Fusible link

Actuation temperature

72°C

Model

AT-FSD.

Structural opening size

Guidance for specification option:

Insert requirements:

  • Width: 200–1000 mm;
  • Height: 175–300 mm.

Actuator

PML24-TF (24 V, orange housing).
PML230-TF (24 V, grey housing).

Functions

No mid set point (AMSP-N).
With mid set point (AMSP-Y).

Grille

Required (GRILLE-Y).
Not required (GRILLE-N).

Grille colour

RAL 9010 White.

Guidance for specification option:

Standard.

Other.

Guidance for specification option:

Insert colour requirements,

Not applicable.

Sustainability data

Country of product manufacture

United Kingdom

Material

Steel

Recyclability

100 % recyclable.

Literature

AT-FSD Series Motorised Air Transfer Fire Damper Brochure

AT-FSD Series Motorised Air Transfer Fire Damper Brochure

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