This L model high-precision restrictive and check valve is a simple type of flow control valve used to set accurate flow rate. It can also be used to shut off high pressure fluid flows. Technical specification Model mm 03 06 10 Nominal Flow (l/min) 40 100 200 Hydraulic Fluid Mineral Oil, Phosphate Fluid Temp. (c) -20~80 Viscosity (mm2/s) 2.8~100 Maximum Pressure (MPa) 31.5