Description

The robust Alpha Relief Vents with bushfire code compliance have been designed to control relief air and the pressure within buildings. They may also be used in a ducted system where the fan is mounted remotely to the cowl. They comply with BAL-LOW to BAL-40 of the Australian Standard AS3959:2009 Construction of buildings in bushfire prone areas.
There are 6 models in the range capable of handling air flows from 0.04 to 4.0m3/s.

Features

Robust, heavy duty galvanised steel construction.

Fitted with high quality bronze mesh to provide protection from burning embers.

All units are designed for curb mounting.

Can be mounted at angles up to 30°.

Can also be used as air intake units. Pressure losses are approximately the same.

Compliant to AS3959:2009, upto and including BAL-40

Construction
Cowls are of galvanised steel.
Bronze mesh with a maximum of 2mm aperture fitted.

Special Note
Construction of buildings in bushfire prone areas
AS3959:2009, clause 6.6.5(b) "Roof penetrations" states: Openings in vented roof lights, roof ventilators or vent pipes shall be fitted with ember guards made from a mesh or perforated sheet with a maximum aperture of 2mm, made of corrosion-resistant steel, bronze or aluminium.

Suggested Specification

The roof ventilators shall be of the Alpha Relief Air Vents Series with bushfire code compliance as designed and manufactured by Fantech Pty Ltd.
They shall be constructed from galvanised steel and include ember protection mesh made from bronze or steel with openings a maximum of 2mm. They shall comply with BAL-LOW to BAL-40 of the Australian Standard AS3959:2009 Construction of buildings in bushfire prone areas.

Dimensions

Product Code	A	B	C	D	E
RV1-BFC	430	530	85	398	670
RV2-BFC	560	660	90	473	774
RV3-BFC	725	825	90	494	890
RV4-BFC	825	1025	90	559	1180
MRV2-BFC	370	420	55	357	570
MRV1-BFC	220	270	55	209	346
RV5-BFC	960	1160	90	702	1395
RV6-BFC	1200	1400	90	756	1640

*All dimensions in mm, unless otherwise stated