ASTM A350 LF2 Flanges
Material SpecificationASTM A350 LF2 Flanges
Pressure RatingClass 150 To Class 2500
High TemperatureAbove 200°C (400°F) For Class 150 Or Above 400°C (750°F)
Low TemperatureAbove -29 Degree C (−20°F)
Common Types Of FlangesSlip On (SORF) Flanges, Weld Neck (WNRF) Flanges, Blind (BLRF) Flanges, Lap Joint (Loose) Flanges, Threaded (NPT) Flanges, Socket-Weld (SWRF) Flanges
Special Types Of FlangesNipoflange, Elboflange, Latroflange, Swivel Flanges, Expanding Flanges, Reducing Flanges, Weldoflange
Marking StandardName of Manufacturer
Type of Flange Facing
Nominal Pipe Size
Pressure Class
ASME B16 Designation
Standard Coverpressure ratings & temperature ratings, materials, marking, dimensions, weight, tolerances, testing
Contact FacesRTJ (Ring Type Joint) Flanges, FF (Flat Face) Flanges, RF (Raised Face) Flanges, T/G (Tongue And Groove ) Flanges, M/F (Male And Female) Flanges
Size ChartNormal Pipe Size 1/2 to NPS 24″
ThicknessNormal Pipe Size ≤ 18
Bore DiameterNormal Pipe ≤ 10
Flanges StandardsEN 1092-1 Flanges, JIS Flanges, ASME B16.5 Flanges, ASME B16.47 type A Flanges, UNI Flanges, DIN Flanges
Bolt Typehigh strength bolts
medium strength bolts
low strength bolts
European Standard FlangesJIS B2220 Flanges (5k to 30k) and KS1503 flanges
Russian-Standard FlangesGOST 12820 / 12821-80 Flanges, DIN Flanges, UNI Flanges, EN 1092-1 Flanges
South African Standard FlangesSANS flanges And SABS flanges
Surface Finishsmooth, concentric serrated, stock
Gaskets TypesFull Face Gasket Flanges
Flat Ring Gasket Flanges
Metallic Ring Gakset Flanges
Advantages Of Pipe FlangeUsed to Connect Pipe System
Easy Repair Pipe System
Assembled Without Welding