Long Welding Neck Flange

Long Welding Neck Flange

Long Welding Neck Flange
Long welding neck flange is normally used for nozzles on pressure vessels and rarely used with pipe. The hub of the flange is straight and thicker than the taper of the weld neck flange.

 

Description of our products:

  • NPS: 1/2” to 24”
  • Pressure Rating: Class 150, Class 300, Class 600, Class 900, Class 1,500, Class 2,500
  • Connection Face: RF / RTJ
  • Material:
    • Carbon steel: ASMT A105/N, ASTM A350 LF2 CL1, ASTM A694 F52/F60/F65/F70
    • Stainless steel: ASTM A182 F304/F304L/F310/F316/F316L/F317/F321
    • Alloy steel: ASTM A182 F11/F12/F22
  • Packing: plywood case or plywood pallet
  • Coating: Oil, black paint, yellow paint, hot dip galvanized, electrolytic zinc and epoxy resin coatings

 

Standards, Dimensions & Weight:

ASME/ANSI B16.5 Class 150 Long Welding Neck Flange RF

ASME/ANSI B16.5 Class 300 Long Welding Neck Flange RF

ASME/ANSI B16.5 Class 600 Long Welding Neck Flange RF

ASME/ANSI B16.5 Class 900 Long Welding Neck Flange RF

ASME/ANSI B16.5 Class 1500 Long Welding Neck Flange RF

ASME/ANSI B16.5 Class 2500 Long Welding Neck Flange RF

ASME/ANSI B16.5 Class 600 Long Welding Neck Flange RTJ

ASME/ANSI B16.5 Class 900 Long Welding Neck Flange RTJ

ASME/ANSI B16.5 Class 1500 Long Welding Neck Flange RTJ

ASME/ANSI B16.5 Class 2500 Long Welding Neck Flange RTJ