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Pyyrogrille ventilation grille, 60 minute ventilation grille, intumescent fire grille, intumescent ventilation grille, ventilation grille for fire door,
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Pyrogrille – Square and Rectangular Air Transfer Grilles

Pyrogrille air transfer grilles are designed for installation into fire resisting doors or partitions where there is requirement for the passage of free air, such as boiler rooms or IT server rooms. Manufactured by Mann McGowan using high performance intumescent slats spaced 12mm apart, the finished units are 38mm thick. Providing up to 1.5 hours fire protection they still allow 50% free air flow in normal use. A range of decorative covers are also available.

  • Air transfer grilles for fire doors or partitions
  • Maintenance free as no moving parts
  • Allows 50% air flow in normal use
  • Manufactured to size
  • Fire tested in a wide range of fire doors and specifications to BS and EU standards
  • Standard colour white, non-standard colours available
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Technical

Square and rectangular air transfer/ventillation grilles for fire resisting doors

Description

PYROGRILLE air transfer grilles are manufactured from high performance intumescent slats, spaced 12mm apart. The thickness of the units are 38mm.

Decorative steel cover grilles are available for our square and rectangular units, please consult with our sales office regarding sizes available.

Performance

PYROGRILLES have been subjected to fire resistance tests in accordance with
BS 476 Part 20 : 1987 and assessed to Dutch Norm NEN 6069.

Applications

PYROGRILLE units can be fixed into fire resisting doors or timber stud partitions using a hardwood or steel flange. Alternatively wood screws can be used through the perimeter of the units.

Gaps around the PYROGRILLE unit greater than 3mm should be fire sealed using PYROMAS A intumescent sealant.

Finishes

Standard colour white.

Non standard colours red and bronze.

Maintenance

Since there are no moving parts to go wrong, PYROGRILLES are easily maintained. Units should be cleaned using a damp cloth. Grease can be removed by using neat liquid detergent or methylated spirit. Strong degreasing agents should not be used nor should the units be immersed or saturated with water.

Ordering

When ordering please state, fire resistance required, width, height and colour.

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