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See Chinese contents: GA 211-2009 GA 211-2009: High temperature-resistant test methods for smoke and heat exhaust ventilators
This standard specifies the test device, the ventilator installation, the test method, the judgement criteria, the test report, etc., of the axial-flow (corresponding centrifugal) smoke and heat exhaust ventilator, which has a machine number of not more than No.18, during the high temperature-resistant test in laboratory. For the axial-flow (corresponding centrifugal) smoke and heat exhaust ventilator, which has a machine number of more than No.18 AND is equipped with electric heating test device, it is only subject to the high temperature-resistant test; it does not measure the aerodynamic performance at high temperature, BUT only measures the aerodynamic performance of the ventilator at room temperature.
