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| The VW Series Pressure Relief Vents
are a range of weighted blade Pressure Relief Dampers
which simply open under air pressure - simple to
install – simple maintenance – simple
and reliable operation. |
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| The VW Series is offered in two
styles: |
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| VWI – Flush fit,
designed to fit fully into the wall and flush with
the surface |
| VWE – Raised fit,
protrude 50mm and are used with narrow walls |
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| All vents are available in a range
of standard sizes, with apertures from 250mm-1000mm. |
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- Simple to install
- Low maintenance
- Reliable and safe operation
- Two design styles
- Wide range of standard
sizes
- Rugged steel construction
- White powder coated finish
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| The VW Series range of Pressure
Relief Vents have been fully tested and approved. |
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| Our Pressure Relief Vents have
been externally fire rated to BS 476 Part 20:1987
and come with a 2 hour fire rating, (Chiltern International
Fire IF04008) and the Effective Vent Areas of all
our Pressure Relief Vents have been determined by
in-situ air flow tests on our own test rig. |
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- Full 2 hour fire rating
to BS 476 Part 20:1987 - (Chiltern International
Fire IF04008)
- Reliable, effective vent
area values - determined by in-situ tests
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