1.Sectional hydraulic valve 2.Max Flow: 50L/min, 3.Max pressure: 350bar, 4.Working sections: 1~10, ... your kindly reference:DF: product series;50: corresponding flow is 50L/min; .E: working pressure, 20mpa;1:means 1working spool;O ... force< 200 NModification/ Spoolswith 1 to 10 Drawing Hydraulic valve,50L/m control valve,muliple control valve,sectional control valve