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Articles techniques, comparaisons de normes, études de cas et guides d'achat sur la tuyauterie sous pression, les brides et les pièces forgées.

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297 articles

IMG_1251.JPGGuide d'achat
Guide d'achat

Hydrogen Piping Components: What an ASME B31.12 RFQ Must Define

ASME B31.12 governs hydrogen piping and pipelines. This guide explains what EPC engineers and procurement managers must specify in an RFQ for seamless pipes and socket-weld forged fittings, covering code parts, material verification, and inspection requirements.

18 sept. 20267 minHebei Haihao Group
水暖管件.jpgNormes
Normes

ASME B16.1 Gray Iron Flanges: Classes 25, 125 and 250

ASME B16.1 covers gray iron flanges and flanged fittings in Classes 25, 125, and 250. This guide explains what the standard includes, how it differs from ductile iron (B16.42), and what buyers must verify when sourcing gray iron flanges.

17 sept. 20266 minHebei Haihao Group
八角垫环.jpgTechnique
Technique

ASME B16.21 Nonmetallic Flat Gasket Selection Guide

ASME B16.21 defines nonmetallic flat gaskets for pipe flanges. This guide explains the standard's scope, why you must pair it with the mating flange standard, and what to verify during procurement to avoid misapplication.

16 sept. 20266 minHebei Haihao Group
S形弯管.jpgNormes
Normes

ASME B16.49 Induction Bends: Scope and Procurement Guide

ASME B16.49 covers factory-made induction bends for transportation and distribution piping (B31.4, B31.8, B31.11). It is not for process or power piping. This guide explains scope, key requirements, and procurement checks.

12 sept. 20266 minHebei Haihao Group
化工厂.jpgÉtudes de cas
Études de cas

Bacalhau Phase 1: A Deepwater Brazil FPSO Piping Reference

Equinor's Bacalhau Phase 1 in Brazil's Santos Basin is a landmark ultra-deepwater FPSO project. This reference guide for EPC engineers and procurement managers covers key facts, procurement considerations, and inspection points for piping systems in similar high-pressure, high-CO2 environments.

10 sept. 20265 minHebei Haihao Group