●压力等级代号:公称压力为MPa的10倍、磅级为实际数 Pressure grade code:The 10 times of the nominal pressure MPa,pound grade io practical number
●阀门材料代号:C—WCBI—WC6、ZG1Cr5MoV-WC9、ZG20CrMoVP-ZG1Cr18Ni9Ti Ps-CF8 P3-CF3 R—ZG1Cr18Ni12Mo2TiF—LCBN—LC3 R8-CF8M R3-CF3M Body material code:C—WCBI—WC6、ZG1Cr5MoV-WC9、ZG20CrMoVP-CF8、ZG1Cr18Ni9Ti R—CF8M、ZG1Cr18Ni12Mo2TiS—CF3L—CF3MF—LCBN—LC3