... PN1.0~PN6.4Construction: Body And Bonnet Available In Carbon Steel, In Alloy And Stainless Steel AndOther Materials Available To ... can produce gate, globe, check, ball and butterfly valves with the materials of ductile iron, carbon steel, alloy steel, stainless ... materials available to order. Our products are designed and manufactured in accordance with the standards of GB, ASME, ANSI, API, BS, ...