Pipe Fitting Ball Valve With Double Joint 1.Material:brass 2.Size:16*20,20*25 3.Certification:ISO9001-2000 4.OEM sercive Pipe Fitting Ball Valve With Double Joint1.Material:stainless steel ,brass2.Size:20,25,323.Certification:ISO9001-20084.OEM sercive Marks&NosSizeE188 Φ20E189 Φ25E190 Φ32