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Product types of MRS Greifer GmbH
We are producing all kind of grabs with volumes up from 0.1 to 50 m³ and up to 30 tons of unit weight. The subcategorisation of the various types is as follows:
A rope grab works by means of a pull of the rope over a pulley (closing ropes are
reeved in several times in the grab rope pulleys). Hereby is a distinction between
single-
A motor grab has got its own drive unit consisting of a motor, a pump and hydraulic control elements. The power supply comes from the crane via an electrical power feeding cable. The grab only has to be connected with the crane hook and the electrical power feeding and then it is ready for operation.
A hydraulic grab does not have an own drive unit, the power comes direct from the hydraulic machine or via the hydraulic crane via the hydraulic hoses.