Flanges---threaded flange / welding flange / loose hubbed flange Norminal Size Range(DN)---10, 15, 20, 25, 32, 40, 50, 65, 80 Flanges---threaded flange / welding flange / loose hubbed flangeNorminal Size Range(DN)---10, 15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 175, 200, 225, 250, 300, 350, 400, 450, 500, 600, 700, 800, 900, 1000, 1200Nominal Pressure(NP)---0.25Mpa-10MpaTemperature---0-550 ...