This standard specifies the operational vibration limit value of fan.
This standard also prescribes measuring point of fan vibration, requirement of measuring apparatus, installation of the measured products and operating conditions of measuring.
This standard is applicable to final examination of products of centrifugal type, axial flow type and mixed flow type, type approval test and the acceptance of field vibrating indices.
This standard specifies the operational vibration limit value of fan.
This standard also prescribes measuring point of fan vibration, requirement of measuring apparatus, installation of the measured products and operating conditions of measuring.
This standard is applicable to final examination of products of centrifugal type, axial flow type and mixed flow type, type approval test and the acceptance of field vibrating indices.