Supply General Valve: Manual Segment Ball Valve Manual Segment Ball Valve Nominal pressure rating:PN1.6,2.5,4.0,6.4MPaNominal diameter:DN25~600mmWorking temperature:Stainless steel metal seat:-20~160, -20~230,-20~425,PTFE soft seat:-20~150Actuator:Gearbox,handle leverSeat type:Spring loaded metal seat,PTFE soft seatMaterial:Body: (1)WCB (2)CF8 (3)CF8M (4)CF3M Ball: (1)CF8 (2)CF8M (3)CF3M