产品详细描述安全阀：1.VS302.VS1603.VS170-VS220-1inletport4.VS170-VS220-2inletports5.VS200/1806.VS140-VS2407.VS28/1-2–38.VS28/1-2pressureadjusted9.VS23-280-200°C-PEDAisi30310.VS280-VS36011.VS35012.VS24-VS43-Aisi30313.VS80/150-Aisi30314.VS80/400-Aisi30315.VS80/150-280-Aisi31616.VS26-Aisi31617.VS450-30018.VS450-20019.VS500)