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Flexible & Reliable Piping Connections Lapped Joint Flanges custom

Flexible & Reliable Piping Connections Lapped Joint Flanges Manufacturers

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Material & Manufacturing Process

Lapped Joint Flanges for Flexible & Reliable Piping Connections.GX Fitting manufactures lapped joint flanges designed for piping systems requiring easy assembly, frequent maintenance and excellent alignment flexibility. Our lapped joint flange solutions are produced using high-quality materials including carbon steel, alloy steel, stainless steel, Duplex, Super Duplex, nickel alloys and other special materials according to project requirements. The manufacturing process includes forging, machining, heat treatment and precision finishing to ensure dimensional accuracy and reliable performance. The stub end and flange components are manufactured under strict quality control, including raw material verification, chemical analysis, mechanical testing and traceability management. With more than 30 years of pressure piping component manufacturing experience since 1993, GX Fitting provides customized flange solutions for global industrial and EPC projects.

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Lapped Joint Flanges Technical Specifications

ParameterSpecification Detail
Material GradeDuplex, Super Duplex, ASTM A182
Design StandardASME B16.5, ASME B16.47
Pressure ClassClass 150
CertificationPED, AD2000, DNV, ABS, BV, ISO

Specification Range

GX Fitting supplies lapped joint flanges in various sizes, pressure classes and material combinations to meet different piping system requirements. Our products are manufactured according to international standards including ASME B16.5, ASME B16.47, ASTM A182 and customer-specific project specifications. Available configurations include lapped joint flange assemblies with suitable stub ends for different piping applications. We support pressure ratings from Class 150 to Class 2500 depending on material grade, size and service conditions. Flanges are available in carbon steel, stainless steel, alloy steel, Duplex, Super Duplex and nickel alloy materials. Customized dimensions, facing types and special requirements can be evaluated by our engineering team. Complete EN 10204 3.1 material certificates and inspection documentation are available for demanding projects

Product Advantages

Lapped joint flanges provide excellent installation flexibility, easier alignment and convenient maintenance advantages compared with traditional flange connections

  • Rigorous Testing & Inspection: GX Fitting combines advanced manufacturing capability with strict quality control to deliver reliable flange solutions for industrial piping systems
  • Large-Diameter Manufacturing Capability: Our advantages include experience with special materials, customized production, large-diameter capability and project-oriented technical support
  • Simplified Installation & Alignment: The separate flange and stub end design allows easier bolt hole alignment and reduces maintenance difficulties in piping systems requiring frequent dismantling
  • Proven Manufacturing Capability: GX Fitting controls every stage of production, including raw material inspection, forging, machining accuracy, heat treatment and final inspection
  • International Certification: Supported by certifications including PED, AD2000, DNV, ABS, BV and ISO systems, we provide dependable flange solutions for global EPC and industrial customers.

Applications

Lapped joint flanges are widely used in piping systems where frequent maintenance, inspection or material flexibility is required. Typical applications include chemical processing, oil & gas, petrochemical plants, marine engineering, offshore facilities, water treatment, food processing, pharmaceutical and general industrial projects. They are especially suitable for systems using expensive corrosion-resistant materials, where the flange material can be selected separately from the pipe and stub end material. GX Fitting supports EPC contractors, engineering companies, distributors and end users with customized lapped joint flange solutions. Our technical team can assist with material selection, specification review, inspection requirements and documentation preparation. With strong experience in pressure piping components and special materials, GX Fitting provides reliable connection solutions for complex piping applications worldwide.

  • Q: What size and pressure range is available for Lapped Joint Flanges?
  • A: We supply Lapped Joint Flanges covering Class 150 pressure ratings, manufactured according to project specifications.
  • Q: What materials and standards apply to Lapped Joint Flanges?
  • A: We manufacture Lapped Joint Flanges in materials such as Duplex, Super Duplex and to standards including ASME B16.5, ASME B16.47, with full material traceability available on request.
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Jiangyin Gaoxin Pipe Fittings Co., Ltd.
About Us
JIANGYIN GAOXIN PIPE FITTINGS CO.,LTD.
Our company is a professional manufacturer of pressure piping components. As Flexible & Reliable Piping Connections Lapped Joint Flanges Manufacturers，Our product range covers butt-weld, socket-weld, and threaded pipe fittings, including flanges and customized non-standard parts. These products are widely used in industries such as oil & gas, chemical processing, power generation, shipbuilding, papermaking, metallurgy, pharmaceuticals, and food processing. We manufacture according to standards such as ASME, EN,JIS,DIN,ANSI,GOST, MSS, GB/T,HG, DL, SH, SY,and have a complete range of inspection equipment, a strict quality control system, and various certifications（PED,AD2000,EAC, ABS,BV, DNV,NORSOK M650, ISO9001,ISO14001,ISO45001,etc.）, making us a leader in the industry.

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