
Pertroleum and natural gas industries; drilling and production equipment; specification for wellhead surface safety valves and underwater safety valves for offshore service
出版:International Organization for Standardization

专家解读视频
Specifies wellhead surface protective valves and underwater protective valves used as means of ensuring well steam shutoff.
NS ISO 10433 Ed. 1 (2000) - Identical
DIN 7728-1 (1988-01) - Similar
DIN 7728-1 : 1988 - Similar to
NS ISO 10433 : 1ED 2000 - Identical
NS ISO 10433 : 1ED 2000 - Identical