ASME B16.5 PN16 Blind Flange
Material SpecificationASME B16.5 Flanges
Standard Cover pressure ratings & temperature ratings, materials, marking, dimensions, weight, tolerances, testing
Special Types Of FlangesNipoflange, Elboflange, Latroflange, Swivel Flanges, Expanding Flanges, Reducing Flanges, Weldoflanges
Marking StandardName of Manufacturer
Type of Flanges Facing
Nominal Pipe Size
Pressure Class
ASME B16 Designation
Bolt Typehigh strength bolts
medium strength bolts
low strength bolts
Surface Finishsmooth, concentric serrated, stock
Bore DiameterNormal Pipe ≤ 10
Flanges StandardsEN 1092-1, JIS, ASME B16.5, ASME B16.47 type A, UNI, DIN
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)
Contact FacesRTJ (Ring Type Joint), FF (Flat Face), RF (Raised Face), T/G (Tongue And Groove ), M/F (Male And Female)
Size ChartNormal Pipe Size 1/2 to NPS 24″
MaterialsStainless Steel (Grade 304/L, 316/L), Carbon Steel (ASTM A105 And ASTM A350), Alloy Steel (ASTM A182), Mild Steel, Duplex Steel, Pressure Vessel Steel, Titanium, Super Duplex Steel, Nickel Alloy, Monel, Inconel, Hastelloy, Copper Nickel, Cast Iron, Wrought Iron.
ThicknessNormal Pipe Size ≤ 18
Common Types Of FlangesSlip On (SORF), Weld Neck (WNRF), Blind (BLRF), Lap Joint (Loose), Threaded (NPT), Socket-Weld (SWRF)
Gaskets TypesFull Face Gasket
Flat Ring Gasket
Metallic Ring Gakset
Advantages Of Pipe FlangeUsed to Connect Pipe System
Easy Repair Pipe System
Assembled Without Welding