... 2.Pressure:150-2500LB,PN6-25 Cast Steel Gate Valve With Prices 1.Size: NPS2"- ... 2500LB,PN6-253.Material: Cast Iron,Carbon steel,Stainless Steel4.Operation: Hand wheel, gear, ... .4.Sealing formation:Hard alloy,Alloy steel.Feature:1.Both design and manufacture are ... industry, cement paper, and environmental protection industries in each of the categories of the type of powder and slurry fluid Cast Steel Gate ...