This standard specifies the specifications, performance, manufacturing, testing, inspection, painting, packaging and other technical requirements for hydraulic safety valves installed in atmospheric fixed-roof petroleum storage tanks. This standard applies to the manufacturing and acceptance of hydraulic safety valves for atmospheric storage tanks.
SY/T 0525.1-1993 history
2011SY/T 0511.2-2010 Oil tank appurtenances.Part 2:Hydraulic safety valve