Rio Engineering is the world leader in stainless steel forged flanges.We serve customers across 90 countries and six continents. Rio Engineering are reputed and well known across the PVFF Industry for their reliability and quality. The flanges division encompasses an integrated forge shop which manufactures all types of pipe fitting i.e. flanges, butt welding fittings (stubends) in various specifications (ASME, EN, DIN, AFNOR, AWWA, GOST, BS, JIS, AS, MSS, SA, UNI SABS/SANS,NS,VSM.) as well as forged bars. Flanges are produced in size ranges from 2" to 40" Rio Engineering has an established and stringent quality system with 90 approvals / certificates till date in accordance with various specific requirements and applications.