... then jointed with bolts. FORGED FLANGEA flange is a method of connecting pipe, valves and other ... /KS ( JAPAN/KOREA), API, AWWA,, MSS, NF in various materialFlange for pipe work system is providing easy access ... , Canada, Germany, Spain,nertherland ,Russia, Italy ,U.A,E, Malaysia , Japan, South Korea and Taiwan,so ... cases or as customers request. Where can I buy the high quality flange?Ring Flange