HYDRAULISCHES STEUERVENTIL, INSBESONDERE SEKTIONSVENTIL MIT DUAL-DRUCKENTLASTUNG

摘要

A sectional valve having dual pressure relief provide high pressure relief for the hoist or lift function while auxiliary functions such as tilt, not requiring high pressure, are monitored by a low pressure relief valve. Spool position in one of the valve sections determined which functions become operative and which relief valve monitors the system.