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licPumpsHydrauil:2llilOl Cooer)041(SMPSeriesEectricPumpsSpecaPumpsManuaPumpsBatteryPumps)171()112()211(*The BTP only73MPa2.5MPa2.5MPaRc3/873MPa■ SpecificationsModel code structureBTP-21B■ BTP-21BBattery Pumps (BTP Series)Battery Pumps*The approx. weight does not include the weight of the battery pack.■Explanation of functions and operationsSold separately*The Panasonic EZ9L48 lithiumion batty pack stops operation below a certain voltage to prevent over discharge.66Type:BFor single-acting cylinders (manual direction-control valve)C:For double-acting cylinders (manual direction-control valve) SKFor single-acting cylinders (remote control)Series No.Battery pumpBTP:BTPG:Standard oil tank modelClosed rubber tank model (make-to-order)BTP-21BBTP-21CBTP-21SKSold separatelySold separately● Lightweight and easy-to-operate pumps alternative to manual　pumps.● Model BTPG is a "sealed tank specification". It has a closed　rubber oil tank in the tank to prevent oil leaks.(Make-to-order)● Driven by a Panasonic nickel metal hydrogen (NiMH) battery　pack (EZ9200S) or a lithiumion battery pack (EZ9L48) with a　Panasonic battery adapter (EZ9740). (A battery pack is not　included and must be prepared by the user.)● If the pump with a fully charged battery pack is used in combina-　tion with a Riken S2-50 single-acting cylinder (200 kN x 50 mm　stoke) and a 2 m hose, and if pressure is repeatedly raised to　70 MPa after the cylinder is extended 50 mm without a load, the　numbers of operation cycles of the pump are as follows:　　Approx. 30 cycles with a Panasonic EZ9200S battery pack　　Approx. 70 cycles with a Panasonic EZ9L48 battery pack■ BTP-21BMaximum operating pressure MPaModelHigh pressureLow pressureAt high pressureAt low pressureBTP-21BBTP-21SKBTP-21C70BTPG-21BBTPG-21SKModelBTP-21BBTPG-21BWhen the operating handle is turned clockwise to tighten and the pushbutton switch is pressed, the cylinder movesforward and stops when released.BTP-21CWhen the manual directional control valve is switched to the left or right and the push button switch is pressed,the double acting cylinder extends or retracts and stops when push button is released.BTP-21SKBTPG-21SKRemote control is possible due to a 3 m cable with a push-button. Pressing and holding the push button moves thecylinder forward. Releasing the button stops the movement of the cylinder. Press and hold the return button toretract the cylinder.BTP-21BEZ9200S nickel-hydrogen battery packOutlet port Rc7003/8Functions and operationsBattery pack(5)No.79E since2025BTPG-21BBTPG-21SKEffective oil volumeLApprox. weightkg6.51.38.17.76.50.78.1Air valve and refill port■ BTP-21 hydraulic circuit diagramDischarge volume cm3/min60EZ9740 battery adapterEZ9L48 lithium-ion batty pack■ BTPG-21 hydraulic circuit diagramTank oil volumeLHydraulic oil1.7ISO VG320.8Push button switchOperating handle(210)(326)