This standard specifies the types, type codes, model representation methods and basic parameters of vertical reducers for kettles (hereinafter referred to as "reducers"). This standard is applicable to vertical reducers for kettles with motor power ranging from 0.04 to 380kW. Vertical reducers for other purposes can also refer to this standard.
HG/T 3139.1-2001 history
2018HG/T 3139.1-2018 Types and basic parameters of vertical reducer for kettle
2002HG/T 3139.1-2001 Vertical reducer for tank Types and paramters