... technology 2.Size:1/2"-48",DN15-DN1200 3.Material:carbon steel,stainless steel 4.Pressure:150LBS-6000LBS 5.PL,SO ... Non-standardized equipment. Special product all kinds of stainless steel , carbon steel and malleable iron such as valves and pipe fittings ... .The main products cover ball valves , globe valves, gate valves, check valves, strainers, sanitary fittings, quick couplings and various types of ...