几十年来，美国国家标准学会设计的ANSI法兰已经为石油和天然气工业提供了壹种适用的密封技术，而且卓有成效。
For decades, American national standards institute ANSI flange design has been for the oil and gas industry is provided one of the sealing technology, and effectiveness.
根据美国石油学会API标准规定，采用管体取样压平试样的屈服强度表征输油管体屈服强度。
API regulates that the yield strength of flatten specimen from pipe body is used to characterized the yield strength of oil pipeline body.
产品的设计与生产均在德国汉堡完成，完全符合美国石油学会API 8C及7K标准。
The products are designed and manufactured in Hamburg, Germany, in accordance to the latest standards of the American Petroleum Institute API 8C and 7K.
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