... :NPS2"-24",DN50-600mm 2.Pressure:150-2500LB,PN6-25 Cast Steel Gate Valve With Prices 1.Size: NPS2"-24",DN50 ... -600mm 2.Pressure: Class150-2500LB,PN6-253.Material: Cast Iron,Carbon steel,Stainless Steel4.Operation: Hand wheel, gear, square ... are carried out strictly following GB/T12234,API600 API602.The products feature a reasonable structure,reliable seal,good performance and nice ...