This Standard covers pressure–temperature ratings, materials, dimensions, tolerances, marking, testing, and methods of designating openings for pipe flanges and 

Gasket Dimensions for ASME B16.1 Class 125, Cast Iron Pipe Flanges and Flanged Fittings . . . . 3. 3. Flat Ring Gasket Dimensions for ASME B16.1 Class 250, 

Pipe Flanges. ASMEB16.21- (RevisionofASMEB16.21- ) Nonmetallic FlatGasketsfor PipeFlanges ANAMERICANNATIONALSTANDARD. DateofIssuance:December9, 3 Flat Ring Gasket Dimensions for ASME B16.1 Class250, Cast Iron Pipe Flanges and Flanged Fittings

Dimensions are in inches. ANSI B16.1 is a gray iron pipe flange and fitting specificaton. Steel flanges are occassionally produced to mate up with Class 125 and Class 250 valves. These flange dimensions are provided for reference even though specification does not cover steel. These flanges are typically supplied with a flat face.

2021. 8. 24. · Class 150 Flanges to ASME B16.5 CARBON & STAINLESS STEEL FLANGES • Dimensions & Weights BLIND WELDING NECK (WN) SLIP-ON WELDING (SOW) H D A K G H D A K G SOCKET WELDING (SW) H D C A K G B C H D A K G B C SOW, SW Threaded C mm Circle Diam. K mm Hole Diam. H mm Bolts No. Bolt In RF Stud Length mm RF Mach. mm W Neck C mm 15

2018. 5. 31. · ANSI B16.1 is a gray iron pipe flange and fitting specificaton. Steel flanges are occassionally produced to mate up with Class 125 and Class 250 valves These flange

2019. 2. 28. · (Revision of ASME B16.5- ) Pipe Flanges and . Flanged Fittings . Experience in using the Standard showed the need for hub dimensions of companion flanges and for other changes, including rerating of 250-lb and 1,350-lb flanges and development of flanged fittings with integral bases. An

Anvil size; not covered by ASME B16.1. B16 product standard. Specifications. All Cast Iron Flanged Fittings and Flanges in sizes listed are made to ASME.

Series A specifies flange dimensions for general use flanges. Series B specifies fiange dimensions for 1.5 User Accountability compact flanges which, ingeneral,have smaller bolt circle diameters than Series A flanges. These two series This Standard cites dutiesand responsibilities that of flanges are not interchangeable.

Nominal Pipe Size; NPS; (inches) Diameter of; Flange; (inches) No. of; Bolts Diameter of; B 1/4 3‑3/8 4 1/2 1/2 3‑1/2 4 1/2 3/4 3‑7/8 4 1/2

ASME B16.5 Flanges Types : ASME B16.5 Weld Neck Flanges, ASME B16.5 Slip-On Flanges, ASME B16.5 Socket Weld Flanges, ASME B16.5 Threaded Flanges, ASME B16.5 Lap Joint Flanges, ASME B16.5 Blind Flanges. 1/2" - 24" Class 150, 300, 400, 600, 900, 1500 and 2500 NOTE: Reducing flanges are available in all types and pressures.