ASTM A105 ASME B16.36 Orifice Flange
Material SpecificationASME B16.36 Orifice Flange
Standard Coverpressure ratings & temperature ratings, materials, marking, dimensions, weight, tolerances, testing
ASME B16.36 Assembly ConsistsGaskets, Orifice Plate, Jacking Screws And Plugs Bolts, Nuts
ASME B16.36 Available ASTM GradesASTM A105 (Carbon Steel)
ASTM A350 (Carbon Steel)
ASTM A694 (Alloy Steel)
ASTM 182 (Stainless Steel)
ASME B16.36 Most Used ShapeSocket Weld, Threaded Or Weld Neck
ASME B16.36 Pressure ClassClass 300 To 2500
ASME B16.36 Faces TypeRaised Faces (RF) And RTJ (Ring Type Joint) Facings
Orifice Flange UseHeavy and light chemicals
Sewage treatment
Water treatment and distribution
Oil production and refining
ASME B16.36 Also CallORFF & Two Orifice Flanges Are Call Orifice Union
Size ChartDN15 (1/2″) to DN1200 (48″)
Size Range15 Millimeter To 1500mm (1/2”- 60”)
Orifice Flanges StandardsEN 1092-1, JIS, ASME B16.36, ASME B16.47, DIN
Pressure RatingClass 300 To Class 2500
ANSI B16.36 Marking StandardName of Manufacturer
Type of Flange Facing
Nominal Pipe Size
Pressure Class
ASME B16 Designation