供应Q21SA-64P外螺纹焊接球阀产品名称:外螺纹球阀 焊接式球阀 产品型号:Q21SA-10 Q21SA-16 Q21SA-20 Q21SA-25 Q21SA-30 Q21SA-32 Q21SA-40 Q21SA-50 Q21SA-64 公称通经:DN5,DN6,DN8,DN10,DN15,DN20(焊接管Φ6Φ8Φ10Φ12Φ14Φ15Φ16Φ18Φ20Φ22Φ25等) 公称压力:PN1.0,PN1.6,PN2.5,PN3.2,PN4.0,PN6.4(MPa) 阀门材质:20#,A105,201,304SS,0Cr18Ni9,1Cr18Ni9Ti,316SS,316L,等 阀门温度:-30℃-440℃,-75℃-330℃,540℃,570℃等 适用介质:水,油品,气体,等腐蚀性介质