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      Dosing pumps ：Dosing Pumps are pumps with one or or more plungers. When activated by an e.g. solenoid， lubricant is delivered at each oulet.Single-line pumps ：Single-Line Pumps are pumps which are either driven by an electric motor， hydraulicly， pneumatically or manually.After the pumping operation has been completed， the delivery line is relieved.Drum pumps：Barrel Pumps pump directly from a barrel. The Barrel-Pump can be used as a delivery pump i.e. lubricant is delivered directly into the lubrication system， or as a refill pump.Manual pumps：Hand pumps are operated manually. There are different requirements for these with regards to pressure， volume and resistance to chemicals.Multi-line lubrication pumps：Multi-Line pumps are pumps with more than one outlet. Lubricant volumes can be adjusted individually at every outlet.Lubricant feeder：Lubricators are compact battery powered pumps， complete with electronic control and monitoring to lubricate of a few lubrication points.Gear-type pumps：Gear Pumps are displacement pumps mostly driven by an electric motor.