Middleeast valve is the leading Duplex Ball Valve suppliers in Bahrain. A ball valve is a type of quarter-turn valve that uses a hollow, perforated, and pivoting ball to control the flow of fluids. The design of a ball valve allows for quick opening and closing with minimal friction loss. Body: Duplex Stainless Steel ( A890/A995 1B CD4MCuN, A890/A995 2A CE8MN, A890 1A/A995 3A CD6MN, A890/A995 4A CD3MN, A890 1C CD3MCuN, A890/A995 5A CE3MN). Nominal Size: DN50 to DN400. Nominal Pressure: Class150 to Class900, PN10 to PN64.