Cast Iron Gate Valve 1) body:GGG45/50 2) stem/spindle:AISI420 3) ... ,BS,ANSI,AS,AWWA 4)1.0/1.6Mpa Cast Iron Gate ValveCast Iron Gate Valve is widely used in water,sewage,fire-fighting ... water pipelines systems.1) Body: Ductile Iron/ Cast Iron (GGG45/50)2) Stem ...