Gresen hydraulic lock valve.Specifications:Part Numbers: LO-50-SMax Pressure: 2000 PSIPorts: 1/2" NPTMax Flow: 25 GPMCondition: NewWarranty: 120 DaysGresen LO-50-S Hydraulic Pilot Operated Check Valve Lock Valve 1/2" NPT 2000 PSISKU: H$229.99PriceQuantity*Add to CartBuy Now