“安全阀门, full lift Nominal diameter of safety valve : DN 32/50 Technical data of safety valve: – 公称压力: T20-02 40/16 – Flanges accorrding to DIN – 进口: DN32, PN40 – 出口: DN50,PN16 类型:AV-6N 元件制造商: 奥尔堡 ” 安全阀弹簧, OD32 AALBORG.AV-6N.8580000001