Marine Cast Steel Flanged Check Valve
The marine cast steel flanged check valve is GB/T586-2015 standard. Nominal diameter: DN20~125 Nominal working pressure: PN10~25(1.0~2.5MPa) Liquid water, seawater, lubricating oil, fuel and steam(Temperature≤300℃). Material table of main parts: Part Name Material Valve body ZG275-485 Valve cover ZG275-485 Valve plate 20 Sleeve 20Cr13 CCS certified and GL, LR, DNV, BV,