... ) Standard:ANSI, ISO,DIN, JIS 3) Certification: CE, ISO plate flat steel flange RFOur company is a professional pipe fitting manufacture, sowe ... DN2000Materialcarbon steel, stainless steel, alloy steelPressurePN0.1 to PN40StandardISO, DIN, ANSI/ASME, GB, JISPaintingblack, oil, yelloy, znic and so onTechnicsforged plate flat steel flange ...