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0066_Frame_C20  Page 77  Wednesday, January 9, 2002  5:49 PM






























                       FIGURE 20.106  Flow proportional valve (Bosch Rexroth).



























                       FIGURE 20.107  Double stage flow proportional valve: (1) main spool valve stage, (2) pilot stage, (3) LVDT of the
                       pilot stage, (4) LVDT of the main stage (Atos).






















                       FIGURE 20.108  Proportional pressure relief valve (Bosch Rexroth).


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