Zhongnuo has full experience and expertise in manufacturing all types of steel flanges, the flanges we produced are precise in dimensions, have tighter tolerances than standard, flawless surfaces, and solid protective layers. Zhongnuo manufactures a wide variety of steel pipe flanges meeting the following standards:
ANSI/ASME (American National Standards Institute/American Society Mechanical Engineers) B16.5 and B16.47 in forged carbon and stainless steels, typically ASTM/ASME A105; ASTM/ASME A182; ASTM/ASME 350 and other materials.
DIN (Deutsches Institute fur Normung) forged flange in carbon steel and stainless steel, popular materials like RST37.2, P235GH, P245GH, P250GH, P280GH, etc.
European standard EN 1092-1, typically steel grade is RST37.2, P235GH, P245GH, P250GH, P280GH, etc.
JIS Flange (Japanese Industrial Standards). The JIS is the standard used for all industrial activities in Japan. Common material like SUS304, SUS316, SUS316L, SS400, SFVC2A.
SANS/SABS 1123 South African flanges standard.
AWWA (American Waterworks Association) flanges are typically designed for low-pressure applications (300 psi or less).