The high velocity jet fans shall be of the JetVent JIU Series as designed and manufactured by Fantech Pty Ltd and be of the model number shown. The housing shall be of galvanised steel with a light grey powder coated finish as standard. They shall incorporate mounting feet and aerodynamically designed internal flow elements. Impellers shall be of Mixed-flow or backward-curved centrifugal design manufactured from aluminium. They shall produce 50 or 100 Newtons of thrust and include a 2-speed star/delta motor.
Performance data shall be based on tests to BS848:Part 10,1999 for thrust and BS848:Part 2, 1985 for noise.