This standard specifies the terms and definitions, product classification, requirements and test methods for washing machine drainage pumps (hereinafter referred to as "drainage pumps"). This standard applies to drainage pumps used in household and similar electric washing machines with a single-phase rated voltage of no more than 250V and an input power of less than 200W. This standard also applies to dis washers.
QB/T 4273-2011 Referenced Document
GB 12350-2009 Safety requirements of small-powder motors
GB/T 3216-2005 Rotodynamic pumps.Hydraulic performance acceptance tests.Grades 1 and 2
GB/T 4214.1-2000 Acoustics-Household and similar electrical appliances-Test code for determination of airborne acoustical noise Part 1: General requirements
GB/T 4214.4-2008 Household and similar electrical appliances noise test methods Particular requirements for washing machines and centrifugal dehydrators
GB/T 4857.7-2005 Packaging-Basic tests for transport packages-Part 7:Sinusoidal vibration test method at constant frequency
JB/T 9615.1-2000 Test methods of the interturn insulation on random wound winding for AC low-voltage machines
QB/T 4273-2011 history
2011QB/T 4273-2011 Technical requirements for draining pump of washing machine