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Fulihua Pipeline Equipment is a dedicated manufacturer of ASME-standard flanges, supplying oil & gas, petrochemical, power generation, and industrial piping projects across North America, the Middle East, Southeast Asia, and beyond. Every flange we produce is manufactured in strict conformance with ASME B16.5 and ASME B16.47, backed by full material traceability and third-party inspection capability.

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Specifications

  • Standard: ASME B16.5 / ASME B16.47 Series A & B

  • Size Range: NPS ½" – 60" (larger sizes available upon request)

  • Pressure Classes: Class 150, 300, 400, 600, 900, 1500, 2500

  • Flange Types: Weld Neck (WN), Slip-On (SO), Blind (BL), Socket Weld (SW), Threaded (TH), Lap Joint (LJ), Orifice

  • Face Types: Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF)

  • Carbon Steel: ASTM A105, A350 LF2

  • Stainless Steel: ASTM A182 F304 / F304L / F316 / F316L

  • Duplex / Super Duplex: UNS S31803 (2205), UNS S32750 (2507)

Why Choose Fulihua for ASME Flanges?

With over 20 years of forging and casting expertise, Fulihua delivers ASME flanges that meet the dimensional, mechanical, and chemical requirements demanded by international EPC contractors and end users. Our quality program includes full heat traceability, EN 10204 3.1/3.2 material certification, hydrostatic testing, and PMI (Positive Material Identification) on request. 

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