日本YUKEN油研柱塞泵A37-F-R-04-H-K-32 Configured Specifications Type Pump Motor No Pump Type Vane Mounting Method Flange Mounting Type Max. Operating Pressure(MPa) 21 Number of Pumps Single Minimum Allowable Rotational Speed(rpm) 600 Minimum Adjustment Flow Rate(cm3/rev) 10 Pressure Adjustment Range(MPa) 1.2~21