主要设计参数公称通径：DN15－200mm、1/2~2in公称压力：PN1.6~10.0Mpa、Class150~600Lb适用温度：-28~300℃、-28~180℃、-28~425℃螺纹类型：NPTBSPTBSPDIN259/2999NPTBSPTBSP主要零件材质表阀体WCBZG1Cr18Ni9TiZG1Cr18Ni12Mo2TiZG00Cr17Ni14Mo2球体2Cr13(H.Cr)1Cr18Ni9Ti1Cr18Ni12Mo2Ti00Cr17Ni14Mo2密封材质PTFE、柔性石墨、碳纤维阀杆2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti00Cr17Ni14Mo2)