This procedure is applicable to the pre-installation inspection and management of universal cast iron, carbon steel, alloy steel, stainless steel and some non-ferrous metal valves such as copper, aluminum and titanium for petrochemical industry with design pressure of 400MPa~42MPa and design temperature of -196~850℃.
SH 3518-2000 history
2013SH 3518-2013 Specification for valves inspection and management in petrochemical industry
2000SH 3518-2000 Code for valves inspection and management