JM Aerofoil 2 Stage Axial Exhaust Fan
- Available in 11 diameters, 315 to 1000mm
- 3 Phase
- Volume flow up to 65,680 cfm
- Static pressures up to 9.65 inwg
- Fan aerodynamic performance is certified to ISO 5801
- Operating temperature range : -40°F to +158°F as standard
- Low installed noise levels
- IE2 (High Efficiency) motors fitted as standard
- Overheat protection as standard
- Motor protection IP55
Two fans working together
- High efficiency above 500 Pa
- Adjustable pitch impeller delivers precise performance
- Contra-rotating blades provide up to 2.7 times the pressure compared to 2-fans in series
The importance of being able to offer what we call JM multi-stage, or multiple fans in series, is that we can extract more pressure development than the conventional two times pressure that you would get in a fan or pump. By contra-rotating the impellers we can get up to 2.7 times the pressure development of a single fan and increase the efficiency. This means we use both the left-hand impeller and the highly twisted right-hand free vortex impeller. A 2 stage fan can offer similar pressure development to that normally associated with centrifugal fans – and similar efficiencies. For JM Aerofoil fans, a 2 stage configuration gives an in-line solution, high efficiency and high-pressure development – the maximum for the JM Aerofoil range. MAX Fan provides one electrical connection point reducing installation time/connection costs.
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