MANUFACTURING STANDARD
Design Standard:API 6D,API 594 ,BS1868, ASME B16.34
Pressure-Temperature Rating:ANSI B16.34
Face To Face:ANSI B16.10
End Connection:Flanged Ends to ASME B16.5, Butt-weld Ends to ASME B16.25
Inspection and Test: API 598
Mark:MSS SP-25