Types

  • Welding Neck Flanges
  • Slip-On Flanges
  • Lap Joint Flanges
  • Threaded Flanges
  • Socket Weld Flanges
  • Spectacle Blinds
  • Spades and Spacers
  • Specials: Transition, Anchor, Ball Flanges

Product information

  • All dimensions comply with the Standards as shown below where applicable.
  • Flanges are machined on the outside diameter, bore (and weld preparation of weld necks) and joint face.
  • Bolt holes are drilled. Weld prep on weld necks is to ASME B16.25.
  • Test certificates to EN10204 Type 3.1 or 3.2, depending on customers’ needs, are supplied with all goods. Test Certificates include full chemical and mechanical analysis.
  • All Flanges are dipped in a rust inhibiting protective coating to protect them against rust.
Size Range Dimensions Pressure Classes Carbon Steel & Low Alloy High Yield Carbon Steel Austenitic Stainless Steel Ferritic Austenitic Steel Nickel Alloy
1/2”NB - 48”NB
  • ASME B16.5
  • ASME B16.47 Series A (MSS SP44)
  • ASME B16.47 Series B
  • API 6A
  • API 2000 - 15000
  • ANSI 150 - 2500
  • ASTM A105
  • ASTM A350 LF2
  • ASTM A350 LF3
  • ASTM A182-F5 / F9 / F11 / F22 / F91
  • ASTM A516 GR. 50 / 60 / 70
  • ASTM A694 F52-75
  • ASTM A182 F304 / 304L
  • ASTM A182 F316 / 316L
  • ASTM A182 F321 / 321H
  • ASTM A182 F347 / 347H
  • ASTM A182 F44
  • ASSTM A240-TP304
  • ASSTM A240-TP316
  • ASTM A182 UNS S31803
  • ASTM A182 UNS S32750 & S32760
  • ASTM B446 UNS NO6625
  • ASTM B425 UNS NO8825
  • ASTM B408 UNS NO8800
  • ASTM B408 UNS NO8810/11
Alternatively, choose NB size to see a corresponding weight chart.