Range : 12″ to 24″ Pressure Class : ANSI 150# to 600# End Connections : Flanged, Screwed, Butt and Socket welded, Victolic End Manufacturing Standards : API – 595 API – 600 ANSI B 16.34 ANSI B 16.10 Face to Face : As per ANSI B 16.10 End flanges : As per ANSI BS DIN Testing Standard : API –