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Alpha Relief Series –

Alpha Relief Series


The Alpha Relief Air Vents have been designed for air intake and exhaust applications or control of pressure within buildings. They may be used in a ducted system where the fan is mounted remotely to the cowl. Units are fitted with bird mesh as standard to eliminate the risk of debris and birds entering the building.
There are 9 models in the range capable of handling air flows from 0.04 to 6.0m3/s.
  • Lightweight, corrosion-proof construction.
  • The pressure losses are approximately the same for exhaust and air intake.
  • Bird-mesh fitted as standard on PFR30 and RV1 to RV6 units.
  • Support guards on MRV1 and MRV2 prevent birds from entering unit.
  • 'MRV' and 'RV' units are designed for curb mounting.
  • The 'PFR' units are designed to suit a range of metal deck roofs.
  • Can be mounted at angles up to 30°.
  • Construction
    MRV1, MRV2 and sizes 1 to 4 - Base and cowl are made of UV-stabilised plastic.
    Sizes 5 & 6 - Base is made of fibreglass with a UV-stabilised plastic cowl.
    Steel components have a corrosion-resistant finish.
    Bird-mesh guards are fitted as standard.

    Suggested Specification

    The Relief Air Vents shall be of the MRV/RV/PFR Series (delete as appropriate) as designed and manufactured by Fantech Pty Ltd.
    Each unit shall incorporate bird-mesh guards and be constructed from UV-stabilised plastic, or fibreglass and UV-stabilised plastic. Steel components shall have a corrosion resistant finish.


    Product CodeABCDE

    *All dimensions in mm, unless otherwise stated

    Elta Group