... DN50-600mm 2.Pressure:150-2500LB,PN6-25 Cast Steel Gate Valve With Prices 1.Size: NPS2"-24",DN50- ... Pressure: Class150-2500LB,PN6-253.Material: Cast Iron,Carbon steel,Stainless Steel4.Operation: Hand wheel, gear, square head. ... ,Double-disc.4.Sealing formation:Hard alloy,Alloy steel.Feature:1.Both design and manufacture are carried out ... type of powder and slurry fluid Cast Steel Gate Valve With Prices