This standard specifies the integrity requirements and inspection and evaluation methods for centrifugal blowers. This standard applies to the D700-12 blower used in oil and gas cracking furnaces and water gas generators in the electronic industry. Also suitable for other models of blowers. Centrifugal fans can also be implemented accordingly.
SJ/T 31404-1994 history
1970SJ/T 31404-1994 Requirements of readiness and methods of inspection and assessment for centrifugal blowers