Retsch, Haan, Germany, (see above) has added a number of refinements to the compact bench top model in its jaw crusher series. The new BB 50 offers many features designed to ensure efficient and convenient usage. The speed can be set between 550 and 950 min-1 to allow for optimum adaptation to sample requirements. Another advantage is the zero-point adjustment which helps to compensate for wear of the jaws. Operating the BB 50 is simple and safe. The large hopper facilitates material feed and the capacity of the collecting receptacle has been doubled. Both the fold-back hopper and crusher arm can be easily removed without using tools. The breaking jaws can be replaced by the user as well.
The unit can fit on any laboratory bench and crushes smaller sample volumes with a feed size of up to 40mm to a final fineness of about 0.5mm, depending on material properties. The company states that there is no other instrument available which can match this performance in a single operation. Jaws and wear plates are available in a choice of five different materials. The machine will exhibited by Retsch at Powtech (Stand 4-313). www.retsch.com
 

BB 50 laboratory jaw crusher from Retsch

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