... pipes, seamless steel pipes,elbow,reducer,tee,caps,flange,tube etc.. Size:DN15-DN1200Type: SCH10-SCH160 XXSStandard ... , MSS, JIS, DIN, ENQuality: ISO9001-ISO2000Blind Flange Blind flanges are made of carbon steel,stainless steel ... Flange: 3 / 8 "~ 100" DN10 ~ DN2500 Pressure U.S. Series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS ... 's requirement astm a105 flange class 150