This standard specifies the technical requirements, test methods, inspection rules, markings and quality certificates for ductile iron castings for positive displacement compressors. This standard applies to sand casting, or ordinary and low alloy ductile iron castings for positive displacement compressors with thermal conductivity equivalent to sand casting.
JB/T 9104-1999 history
2013JB/T 9104-2013 The technical specification for spheroidal graphite iron castings of displacement compressors
1999JB/T 9104-1999 The technical specification for spheroidal graphite iron castings of displacement compressors