... "-6" or DN15-DN150 3)Standard: ISO, DIN, SMS, IDF, 2pc ball valve with internal thread,stainless steel ball valve ... ,2pc valve1),Size:1/4"-------4"2),Material:WCB,304,316( ... :Manual2pc ball valve with internal thread,stainless steel ball valve,2pc valve Name2pc ball valve with internal threadNo.BV06MaterialSUS304,SUS316LSize1/4 ...