Slip on flange(SO flange) is slipped over the pipe and then fillet welded.Slip-on flanges are easy to use in fabricated applications.ANSI/ASME B16.5 standard covers pressure,temperature,ratings,materials,dimensions, tolerances,marking,testing,and methods of designating openings for pipe flanges and flanged fittings.Slip on flange dimensions are covered in ANSI/ASME B16.5 class 150 for size NPS ½R ...

ANSI/ASME B16.5 standard covers pressure,temperature,ratings,materials,dimensions,tolerances,marking, testing,and methods of designating openings for pipe flanges and flanged fittings.Weld neck flange dimensions are covered in ANSI/ASME B16.5 for size NPS ½” to 24″ for above NPS 26″ to 60″ it should be as per ANSI/ASME B16.47. ANSI/ASME B16.5 Class 150lb Weld Neck Flange Dime ...