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Αποστολή RFQ35 άρθρα· Πρότυπα
ΠρότυπαASME 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.
ΠρότυπαASME B16.3 covers malleable iron threaded fittings in Classes 150 and 300, including ratings, dimensions, threading, and coatings. This guide explains the standard's scope, key requirements, and procurement checks for EPC engineers and buyers.
ΠρότυπαASME B16.14 covers ferrous pipe plugs, bushings, and locknuts with pipe threads, including ratings, dimensions, materials, and marking. This guide explains the standard's scope, key differences from ASME B1.20.1, and what buyers must verify to avoid specification errors.
ΠρότυπαASME 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.
ΠρότυπαASME 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.
ΠρότυπαASME 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.
ΠρότυπαASME B16.21 defines dimensions, materials, and markings for nonmetallic flat gaskets used with ASME flanges. Learn what it covers, what it doesn't, and how to specify gaskets correctly.
ΠρότυπαASME 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.
ΠρότυπαASME 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.
