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More good vibrators

Major technical and practical advantages are claimed for Wacker's new Irfun range of motor-in-head concrete vibrators. Wacker says the electronically regulated electric motor provides constant 1,200rpm vibration even under load, the optimum frequency for concrete compaction. No drive unit or converter is needed, the Irfun simply plugs into site 115V or mains 230V supplies, and there are no flexible drive shafts to wear out. Four units from 38mm to 58mm diameter make up the current Irfun ...

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