This standard specifies the terminology, requirements, test methods, inspection rules and markings of emergency shut-off valves on tank vehicles for road transportation of liquid dangerous goods. This standard is applicable to the transportation of liquid petroleum products and other hazardous liquids that comply with the third category of GB 6944 "Classification and Name Number of Dangerous Goods" standard, including petroleum with a vapor pressure not greater than 110kPa at 50°C, but does not include liquid desensitized explosives Emergency shut-off valves installed on road transport tank vehicles for hazardous, toxic and corrosive products.
QC/T 932-2012 Referenced Document
GB/T 1239.2-2009 Cold coiled helical springs technical specifications.Part 2:Compressions spring
GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection