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Manual PumpsBattery PumpsSMPSeries liOlEectric PumpsSpecaPumpsl il Cooer■SMP-30B/SMP-40B● A single-acting cylinder is operated by the direction-control valve (SMV-33) and the remote controlled operating switch (SW-4A),　which are attached to the pump. ● At the preset pressure for the pressure switch, the pump can stop automatically and maintain the pressure. If the pressure drops　a few MPa below the preset pressure, it will restart operation automatically.● The pumps can be changed to another type 2 model by changing parts, etc. (For type 2, see page 68.)■SMP-3012B■SW-4A■SMP-30BR/SMP-40BR● A single-acting cylinder is operated by the direction-control valve (SMV-33) and the remote controlled operating switch (SW-4A),　which are attached to the pump. ● Pressure can be adjusted by using the relief valve attached to the pump, and pressure maintenance is also possible (Pressure　adjustable range: 10 to 70 MPa). The hydraulic oil temperature range is 5 to 60 °C. If the relief valve is operated for a long time,　pay attention to the rise in oil temperature.● The pumps can be changed to another type 2 model by changing parts, etc. (For type 2, see page 68.)■SMP-3012BRliHydraucPumpscat-No.78E since2017■SW-4A■SW-4S■Hydraulic circuit diagram■Hydraulic circuit diagram■Hydraulic circuit diagramSPS-7ASPS-7A73MPa1.5MPaSMV-33KRV-3410 to 70 MPa73MPa1.5MPa73MPa1.5MPaSMV-33SSL-2B■Electric circuit diagram■Electric circuit diagram■Electric circuit diagramSMP SeriesSmall-Size Portable Electric Pumps for Single-Acting Cylinders (SMP Series)70■SMP-30SK/SMP-40SK● The single-acting cylinder is operated by the remote controlled operating switch (SW-4S).● At the preset pressure for the pressure switch, the pumps can stop automatically and maintain the pressure. If the pressure drops a few　MPa below the preset one, they will restart operation automatically. The cylinder cannot be stopped halfway once it starts being retracted.● The pumps can be changed to another type 1 model by changing parts, etc. (For type 1, see page 68.)■SMP-3012SK