... Standards: ASTM, ASME, DIN, SIS and EURONORM Materials: Carbon,stainless steel and alloy steel Detailed Product Description Features: Big Size Flanges Standards: ASTM ... , ASME, DIN, SIS and EURONORM Materials: Carbon, stainless steel and alloy steel The maximum outside diameter: 3, 800 mm The maximum ... TUV Rheinland -AD2000-W0 product accreditation-LR, ABS, DNV certification. steel flange