... CastingPlace of Origin: Suzhou , China (Mainland)Category: Pipe FittingQualification: ISO9001, API,CEStandard: ASME,ANSI,MSS,DIN,JIS,BS,GB,GS,KS ... after receiving your payment Introduction of flangeA flange is an external or internal ridge, or rim (lip), for strength, as the ... for attachment to another object, as the flange on the end of a pipe, steam cylinder, etc., or on the lens ...