德国 萨姆森 气动调节蝶阀

阀体:      Cast Steel
        Stainless Steel
阀座/阀板:     Cast Steel  or　Stainless Steel
填料:      V-ring packing PTFE with carbon,
公称压力:  Nominal pressures: DIN PN 10 to 40 bar
ANSI Class 150 to 300 Lbs