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The ASME/ANSI B16.5 Lap Joint (LJ) flange is a two-piece component consisting of a backing flange and a stub end. This design allows the flange to rotate freely around the pipe, facilitating easy alignment during installation. It is commonly used in systems requiring frequent dismantling for inspection or cleaning, such as those in the chemical, food processing, and water treatment industries.
Material Specifications:
Lap Joint flanges are available in a range of materials to meet application-specific requirements:
- Backing Flange Materials: Typically carbon steel or stainless steel for cost efficiency.
- Stub End Materials:
- Carbon Steel: ASTM A105, A350 LF2
- Acero inoxidable: ASTM A182 F304, F316, F321
- Nickel Alloys: Inconel, Monel, Hastelloy
- Duplex Stainless Steel: ASTM A182 F51, F53
Material selection ensures compatibility with the pipe material and process conditions, including corrosion and temperature resistance.
Características principales:
- Rotatable Design: Facilitates easy alignment with bolt holes during assembly.
- Economical Option: Backing flange can be made from less expensive materials, reducing costs.
- Ease of Maintenance: Ideal for systems requiring frequent dismantling or inspection.
- Stress Reduction: The loose connection minimizes stress transfer from the flange to the pipe.
- Standard Compliance: Manufactured per ASME/ANSI B16.5 standards for precise dimensions and interchangeability.
Aplicaciones:
- Chemical Processing: Ideal for corrosive fluid systems requiring regular maintenance.
- Food and Beverage Industry: Hygienic systems needing easy disassembly for cleaning.
- Water Treatment: Pipelines in desalination, wastewater, and distribution systems.
- Pharmaceuticals: Systems with strict sanitary requirements.
- Oil & Gas: Non-critical applications or low-pressure piping systems.
