Edaški ventil PC200-8 Skupni ventil za razbremenitev tlaka 6754-72-1220

1. Regenerativni ventil bagerja lahko pospeši hitrost padca in izboljša delovno učinkovitost.

2, excavator bucket rod regeneration valve includes a valve sleeve, a screw plug is threaded with one end of the valve sleeve, a valve head is connected with the other end of the valve sleeve, there is a fixed seat in the valve sleeve and plug, one end of an elastic part is connected with the fixed seat, one end of the valve spool sliding connected with the valve sleeve is connected with the other end of the elastic part, the other end of the valve spool is connected with the valve head, Insert a plunger with sliding connection in the center of the end part of the valve head extending into the valve sleeve, the part of the valve head located outside the valve sleeve is provided with a first radial through hole, one end of the plunger goes through the end of the valve head and connects with the valve core, the other end of the plunger extends into the first radial through hole, and Obročni utor je na voljo na obodu jedra ventila. Ventilski rokav je opremljen z drugim radialnim skozi luknjo in tretjim radialom skozi luknjo, ki se ujema z obročastim utorom.

Glavni reliefni ventil je nameščen na zgornjem in spodnjem koncu glavnega krmilnega ventila, en zgornji in en spodnji. Ventil nastavi največji tlak za celoten hidravlični sistem. Ko sistemski tlak presega nastavljen tlak glavnega reliefnega ventila, glavni reliefni ventil odpre oljni vezje povratnega rezervoarja, da preliva hidravlično olje nazaj v rezervoar, da zaščiti celoten hidravlični sistem in se izogne ​​prekomernemu tlaku olja.