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Permit circulatia fluidului intr-un singur sens;<br />

Elemente hidraulice/pneumatice<br />

pentru controlul si reglarea presiunii<br />

(supape)<br />

Limiteaza valoarea maxim admisa a presiunii generale in sistem;<br />

Mentin constanta presiunea in sistem, permitand curgerea la rezervor a<br />

debitului in exces;<br />

Asigura o succesiune dinainte stabilita a intrarii in functiune a<br />

elementelor de executie;<br />

Diferentiaza presiunile de lucru ale diferitilor consumatori;<br />

Regleaza forta/momentul exercitat de actuator independent de debitul<br />

pe care acesta il consuma.<br />

2009-2010 SEM - CURS 2 28

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