NBS Source
List your products
Description

An opening roof ventilator for evacuation of smoke/fire, incorporating a thermo-fusible link in addition to any other control mechanism. Once the catch is released, opening is automatic via the use of gas filled cylinders.

General information
Size

As drawings

___ x ___ mm

Uniclass 2015
Natural smoke and heat exhaust ventilators (Pr_70_65_04_56)Primary
Specification data - Natural smoke and heat exhaust ventilators
Product Reference

PYRODOME

Size

As drawings

___ x ___ mm

Kerb -
Type

Insulated galvanised steel kerb

Adapter plate for builder's kerb

Colour

Galvanised steel finish

Off white, RAL 9002

Glazing

16 mm Special k Multi wall structured polycarbonate

Double dome polycarbonate

Twin wall structured polycarbonate

Insulated aluminium cover

Guards

Anti fall grill to resist 1200 joules

Anti access grill

Controls

Manual with thermo fusible link

Electric with 24 volt rupture electromagnetic catch

Treuil with cable attachment to a winch mechanism

Accessories

Smoke detector unit

Winch kit - manual operation

Winch kit - 24 volt rupture electromagnetic operation

Winch kit - pneumatic operation

Standard product features

Frame:

Aluminium, milled finish.

Fixing:

Fasten kerb to supporting structure with screws at max. 300 mm centres.

Product Options

Size:

  • Integral kerb – internal dimensions of opening.
  • Adaptor plate – external dimensions of kerb.

Kerb:

  • Integral galvanised steel kerb.
  • Adapter plate to sit on builder's kerb of concrete or timber.

Kerb colour:

  • Integral kerb available in galvanised steel finish or painted.
  • Adapter plate available painted.
  • Standard colour Off White RAL 9002.
  • Consult with Axter for availability of alternative colours and to obtain samples.

Glazing:

  • Double dome polycarbonate, U value = 2.8 W/m²K.
  • 16 mm Special k Multi wall structured polycarbonate, U value = 2.1 W/m²K.
  • Twin wall structured polycarbonate, U value = 3.1 W/m²K.
  • Insulated aluminium cover.

Guards:

  • Anti-fall grill to resist 1200 joules.
  • Anti-access grill.

Controls:

  • Manual with thermo fusible link.
  • Electric with 24 volt rupture electromagnetic catch.
  • Treuil with cable attachment to a winch mechanism.

Accessories:

Winch mechanisms are available for manual, 24 volt rupture electromagnetic or pneumatic operation. Winch kits comprise the winch itself plus 15 m cable, cable guide pulleys and clips.

Literature
Similar products from Axter Ltd