... )SUS304,304L,316,316L2)Size:DN25-150&1"-6"3)Standard:SMS,DIN,,IDF,3A,ISO,RJT,BS,DS,BPE...4 ... and chemical industrial6)Main parts:male,nut,linerWenzhou Yuanyu Mechanical Co., Ltd. is a professional manufacturer of high-precisionhygiene grade valves, pipe ...