Reinforced Branch Connections

Reinforced Branch Connections
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SIZES: ½” to 24”
 CLASS: 150 to 2500;
 TYPE: Weldo Flange, Nipo Flange
 SCHEDULE: S10, S20, S30, S40, S STD, S60, S XS, S80, S100, S120, S140, S160, S XXS
 STANDARD: ASME B16.5 | MSS-SP 97

 MATERIAL GRADES:

  • Nickel Alloys: Incoloy (800, 800H, 800HT, 825), Inconel (600, 625), Monel 400
  • Specialty Alloys: Alloy 20, Hastelloy (C22, C276), Copper nickel (Cu-Ni), Titanium (Gr. 1, 2, 3), Urea Grade
  • Duplex & Super Duplex: F51, F53, F55, F44
  • Stainless Steel: AISI 304, 316, 321, 347
  • Alloy Steel: AISI Gr.1, Gr.5, Gr.9, Gr.11, Gr.22, Gr.91
  • Carbon Steel: ASTM A105, A350 LF2, A516 Gr.70, A694 F60–F65
NipoFlange

A Nippo Flange is an integration of a welding nipple and a flange, often used for branch connections where space is limited. It is ideal for high-pressure systems requiring strong welded joints. The compact and sturdy design makes Nippo flanges suitable for applications in oil & gas, petrochemical, and power generation industries.

Customization Available: Tailor-made solutions for barrel length, bore size, bevel ends, and flange faces (RF, RTJ, FF) to suit your project needs.

Weldoflange

A Weldo Flange is a combination of a weld neck flange with integral O-let fitting. It is used as a branch connection and is directly welded to the run pipe, ensuring high integrity in high-pressure applications. Weldo flanges provide a smooth flow transition from the header to the branch line and are commonly used in refineries, chemical plants, and offshore facilities. 

O-let Fittings
  • Sizes: ½” to 20”
  • Standard: ASME B31.3, Client Drawing
  • Types: Weldolet, Sockolet, Threadolet, Latrolet, Sweepolet, Nipolet
  • Material Grades: Incoloy, Alloy 20, Hastelloy, Cupronickel, Monel 400, Inconel, Titanium, Urea Grade, Duplex/Super Duplex, Stainless Steel, Alloy Steel, Carbon Steel

Applications: Used to connect branch pipes to main run pipes with reinforced strength per ASME B31.3. Suitable for high-pressure and high-temperature piping systems in oil & gas, petrochemical, and industrial sectors. Machined forged pieces provide structural integrity and prevent leaks at connection points.