... 600LB 3. Material: WCB.304,306,304L,306L Full Bore Ball Valve 2 pieces DescriptionMaterials WCB.304,306,304L,306LNominal Size1/4 ... produces a variety of precision casting and processing of finished parts by the standards of GB, ASTM, ASNI, BS, DIN, JIS ... this field. Our products mainly include all kinds of ball valve, globe valve, gate valve, strainer, quick coupling, and a variety of impeller, marine ...