FRD Furakawa Fx475 Qtv Hammer

December 18, 2014

The Fx475 Qtv hammer for excavators from 39 to 61 tons has a square, mono-block body design.

The elimination of thru-bolts reduces maintenance and failure, the company says. A patent-pending dust prevention system incorporates grooves to trap contaminates on the upstroke and expel them on the piston down stroke, while a cushion ring acts as a secondary trap. The objective is to improve the life of the piston, bushings, and working steel. A redesigned piston enhances surface contact to working steel, while a larger bushing surface keeps it aligned for greater impact.

The one-piece enclosure and dampening system reduces noise levels for use in noise-sensitive environments. A higher back head pressure and larger piston diameter increases impact performance by 20 percent over previous models, according to Furakawa.

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