This part of JB/T 11161 specifies the type, parameters and model of the cupola water-cooling air outlet. This section applies to water-cooled air vents used in cupolas in foundries.
JB/T 11161.1-2011 Referenced Document
JB/T 3000 Model formulating means of foundry machinery
JB/T 11161.1-2011 history
2011JB/T 11161.1-2011 Water-cooled tuyeres.Part 1: Types and basic parameters