Pressure control valve
A first piston valve (1) fits between a first compressive space (6) connected to an operating pipe (A,B) and a second compressive space (7) adjacent to the first piston valve compressed against a buffer (3) by a prestress spring. A throttle (8) connects first and second compressive spaces to each ot...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A first piston valve (1) fits between a first compressive space (6) connected to an operating pipe (A,B) and a second compressive space (7) adjacent to the first piston valve compressed against a buffer (3) by a prestress spring. A throttle (8) connects first and second compressive spaces to each other. The second compressive space connects to a second piston valve (11) prestressed by a second prestress spring (17). |
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