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3N l srednilyCspmuPsevaVseirosseccA–aPM003■UP-31B/UP-41B hydraulic circuit diagram ■UP-31 hydraulic circuit diagram 51010–aPM002300 MPa–Ultrahigh-Pressure Manual Pumps (UP-31/UP-41 Series) Series No.Ultrahigh-pressure manual pump■ Specificationscat-No.78E since2017● Can boost the pressure up to 300/400 MPa (ultrahigh-pressure). ● Due to the two-stage speed control, the pressure automatically switches between high and low speed modes for better work efficiency. ● Equipped with a safety valve like the reliable 70 MPa and 200 MPa series. ● Calibration and traceability certificates cannot be issued for the ASBG100-400M-U (mounted on the UP-31) because of its special　internal structure.Maximum operating pressureMPaModelHigh pressureLow pressureAt high pressureAt low pressureUP-31UP-31BUP-41B■UP-31300400Modeloperating pressureASBG100-400M-UAS150-400M-UAS150-500M-U*The accuracy of the ASBG100-400M-U is a reference value.Model code structure31:For 300 MPa41:For 400 MPaBlank:With pressure gauge (ASBG100-400M-U)*UP-31 onlyB:Without pressure gaugePressure gaugeDischarge volume cm3/stroke1.00.8Maximum Maximum scaleMPaMPa300400*The pressure in parentheses is the preset pressure for the UP-41B. ■UP-31BOutlet port Hydraulic 14.4M16 x 1.5ISO VG32■UP-31B/UP-41BAccuracyF.S.Equivalent to ±4.0 %universal joint ±1.6 %Tank oil volumeEffective oil volumeoilcm3cm321001800Thread sizeCertificatesNot availableAvailable Available G1/2 Lever loadApprox. weightkg19.356418.6576Compatible Approx. weightpumpkg0.81.11.1UP-31UP-41300 MPa/400 MPaPressure Gauges● Can be mounted in a narrow place thanks to the universal joint.● The ASBG100-400M-U is a silicone-containing gauge that is resistant to surge pressure and a sudden pressure fluctuation.● Calibration and traceability certificates cannot be issued for the ASBG100-400M-U because of its special internal structure.　If the certificates are required, choose the AS150-400M-U or AS150-500M-U.● The AS150-400M-U and AS150-500M-U are make-to-order products.■ Specifications217UP-31B