Micro-accurate 4-piston,positive displacement type meter with rotary valve, exterior adjustment and double oil lip seal ... )2.Seals: Buna-NTechnical Specification:1,Discharge rate of each revolution:0.473L2.Flow rate range:5L~65L/min3.Accuracy:±0 ... -0.3MpaFeatures:1.Micro-accurate 4-piston,positive displacement type meter with rotary valve, exterior adjustment and double oil lip seal ...