Блог
Технические статьи, сравнение стандартов, кейсы проектов и руководства по выбору фитингов, фланцев и кованых элементов трубопроводов.
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РуководствоGray iron and ductile iron flanges are covered by different ASME standards with distinct classes and ratings. This guide explains the key differences, procurement checks, and RFQ requirements to avoid costly specification errors.
СтандартыASME B16.42 covers cast ductile iron flanges and flanged fittings in Classes 150 and 300. This guide explains scope, key requirements, and procurement checks for EPC engineers and buyers.
ТехническиеWeld repair acceptance for A234 and other wrought steel fittings is governed by the product specification, A960/A960M common requirements, and the purchase order — not by a generic visual pass/fail rule. Here's what to verify.
КейсыExxonMobil's Payara development and the Prosperity FPSO mark a major milestone in Guyana's offshore oil production. This case study reviews the project's public facts and outlines what piping procurement professionals should verify when referencing such projects.
ОтрасльShell's July 2024 FID for the Manatee gas development in Trinidad and Tobago signals continued investment in LNG feedgas. This update outlines what is verified, what remains to be checked, and how EPC buyers can align procurement with evolving project timelines.
РуководствоLearn how to inspect NPT threaded fittings per ASME B1.20.1 and B16.11, including gauging, RFQ inputs, and documentation checks for EPC buyers.
СтандартыASME B16.39 covers threaded malleable iron unions in Classes 150, 250, and 300, including design, ratings, materials, threads, and tests. This guide explains what EPC engineers and procurement managers must verify when specifying these unions.
ТехническиеASTM A960 sets common requirements for wrought steel pipe fittings covered by individual ASTM product specs like A234. This guide explains what buyers must verify when ordering and inspecting fittings.
КейсыShell's Sparta project in the U.S. Gulf of Mexico exemplifies the extreme demands of high-pressure deepwater developments. This case study outlines procurement risks and verification steps for EPC engineers and buyers, without claiming any involvement by Hebei Haihao Group.
