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Slip On Flanges Specs

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Slip On Flanges Detailed

Slip On (SO) Flanges

Our structural slip-on piping flanges slip over the exterior end of seamless or welded pipes. Designed with dual fillet-welded anchors (both inside the flange sleeve and outside the flange face border), they offer rapid alignment offsets during system setup.

Class 150 to Class 1500 Forged Carbon & Stainless

Technical Specifications

Parameter Standard Specification Details & Limits
Size Range 1/2" NB to 48" NB (Nominal sizes)
Pressure Ratings Class 150, Class 300, 600, 900 Lbs
Bore Sizing Limits Slightly oversized compared to pipe O.D. to allow easy slip fit
Grades Stocked F304, F304L, F316, F316L, 321, 310S, A105 Carbon steel, Duplex
Standard Specs ASME B16.5, BS4504, EN 1092-1 Type 01 / Type 12
Heat Treatment Solution-annealing for all SS grades to restore corrosion resistances

Industrial Applications

  • Low-Pressure Utilities: Cooling water ducts, utility steam loops, and air vents.
  • Desalination: Raw sea-water intake lines with low mechanical stress rates.
  • HVAC Systems: Chillers, cooling towers, and commercial structural manifolds.