Reasons for S10 fittings w/ 150# flanges:

  • Price
  • Press rating of S10 sometimes higher than flange rating

Reasons for S40 fittings w/ 150# flanges:

  • Corrosion Factors
  • Strength
  • Erosion Factors


  • Manufactured with ANSI RF or FF flanges, plate flanges, or VanStone ends.
  • Available in 304L, 31 6L, carbon steel, other materials by request.
  • Options include various dimensions, flange types, and wall thickness.