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31 articles· Normes

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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
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Normes

ASME B16.36 Orifice Flanges: Types and Class Boundaries

ASME B16.36 covers orifice flanges for differential pressure flow measurement. Welding-neck types span Classes 300–2500, while slip-on and threaded are limited to Class 300. This guide explains scope, procurement checks, and common pitfalls.

7 sept. 20266 minHebei Haihao Group
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Normes

ASME B16.20 Metallic Gaskets: Types and Flange Compatibility

ASME B16.20 defines dimensions, materials, and tolerances for metal ring-joint, spiral-wound, and metal-jacketed gaskets. This guide explains the standard's scope, flange compatibility, and procurement checks for EPC buyers.

28 août 20266 minHebei Haihao Group
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Normes

ASME B16.11 Forged Fittings: Socket-Weld and Threaded Classes

ASME B16.11 defines Class 2000, 3000, 6000 for threaded fittings and Class 3000, 6000, 9000 for socket-weld fittings. This guide explains what these classes mean, how to specify them, and what to verify when procuring forged fittings.

23 août 20266 minHebei Haihao Group
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Normes

ASME B16.48 Line Blanks: Scope, Classes and Buyer Limits

ASME B16.48 covers line blanks from NPS 1/2 to NPS 24 for ASME B16.5 flanges in pressure classes 150–2500. Learn what the standard includes, what it doesn't, and how to specify and inspect these components.

18 août 20266 minHebei Haihao Group