Pressure valve
A technology for pressure relief valves, applied in the field of pressure relief valves, can solve problems such as high cost and achieve low manufacturing costs
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[0021] figure 1 A longitudinal section through a pressure relief valve 1 according to the prior art is shown. The valve housing 2 is of generally cylindrical shape with a longitudinal axis 4 . The spool 3 is slidable between two positions in the cylindrical bore 5 of the housing 2 . exist figure 1In the first position shown, the front end or mouth 18 of the pressure relief spool 3 is, for example, in direct sealing contact with the valve seat 11 of the pressure line 20 in the mounting cavity 12 of the hydraulic system. The sealing contact is provided under the action of the pressure relief valve spring 14 which acts on the actuating side 6 of the pressure relief valve plug 3 and abuts against the bottom surface 19 of the bore 5 thereby pushing towards the valve seat 11 Pressure relief spool 3. In this first closed position of the pressure relief spool 3 , fluid flow between the pressure line 20 and the fluid channel 50 is prevented as long as the pressure in the pressure l...
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