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297 件の記事

IMG_1251.JPG購入ガイド
購入ガイド

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.

2026年9月18日7 分Hebei Haihao Group
水暖管件.jpg規格
規格

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.

2026年9月17日6 分Hebei Haihao Group
八角垫环.jpg技術情報
技術情報

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.

2026年9月16日6 分Hebei Haihao Group
S形弯管.jpg規格
規格

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.

2026年9月12日6 分Hebei Haihao Group
化工厂.jpg導入事例
導入事例

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.

2026年9月10日5 分Hebei Haihao Group