Details: gate valve,50nb,ss410,cl:150,p:30kg/cm2 gate valve,65nb,cl:150,pr:30kg/cm2,ss410 gate valve,80nb,cl:150,pr:30kg/cm2,ss410 gate valve,100nb,cl:150,p:30kg/cm2,ss410 gate valve,150nb,cl:150,p:30kg/cm2,ss410 gate valve,200nb,cl:150,p:30kg/cm2,ss410 gate valve,250nb,cl:150,p:30kg/cm2,ss410 gate valve,300nb,cl:150,p:30kg/cm2,ss410