etroleum
etroleum gas
ipe fittings
ipeline transportation
ipelines
lug valves;Specification (approval);Testing;Transport;Transportation systems;Valves【摘要】: This International Standard specifies requirements and provides recommendations for the design,manufacturing, testing and documentation of ball, check, gate and plug valves for application in pipelinesystems meeting the requirements of ISO 13623 for the petroleum and natural gas industries.This International Standard is not applicable to subsea pipeline valves, as they are covered by a separateInternational Standard (ISO 14723).This International Standard is not applicable to valves for pressure ratings exceeding PN 420 (Class 2 500).On-land supply systems used by the gas supply industry are excluded from the scope of this standard.【中国标准分类号】: E98【国际标准分类号】: 23_040_01;23_060_01;75_200【页数】: 84P.;A4【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |