Bellow Sealed Valve 1,Type:KSB type 2,Power:Manual 3,Size:25# 4,DIN Standard Valve KSB type Bellow Sealed Valve Main Parts Materials:No.Part Name Material1BodyGS-C25, CF8, CF32Disc2Cr13, F304, F3163Hinge PinF304,F3164Bellows CombinationF304, F316L5BonnetGS-C25,F304 ,F3166PackingFlexible graphite, PTFE7Gland25#, F304, F3168Inner Hexagon Screw25#, F304, F3169NutZQA 19-410Hand WheelCarbon ...