Casing
The all-metal fan casing and guard provide a long lasting and robust construction. The units have been constructed from a single sheet of steel, with both motor and axial impeller mounted within the length of the unit casing. All casing parts are heavy gauge mild steel sheet or pre-galvanised sheet steel, roll formed and welded, then hot dip galvanised to BS EN ISO 1461 after fabrication.
Motors
Motors according to Gas Zone, Ignition Temperature and Protection to Ex h IIB+H2 T4 Gb.
Impellers
Adjustable pitch aerofoil impellers are provided with blades made from high quality carbon filled anti-static material. Impellers are factory set at an angle to provide maximum performance. Hubs are manufactured from die cast aluminium alloy (LM24). Assembled impellers are statically balanced to ISO 14694.
Quality Management
Units are to be designed and manufactured with procedures as defined in BS EN ISO 9001. All Revolution SLCX units are to be tested to ISO 5801 (airside performance) and BS ISO 13347-1 (sound performance).