Hydraulics glossary

TermDefinition
CaterpillarCaterpillar Inc. is the largest manufacturer of construction machinery in the world and has its headquarters in Peoria, Illinois (USA)
check valve The function of a check valve is to determine the direction of the flow of the hydraulic fluid within a pipe and automatically block the passage of the fluid in a flow direction.
check-Q-meterThe check-Q-meter or lowering break valve is used in hydraulic systems as a counter pressure valve to prevent hydraulic motors and cylinders from running at a higher speed. It also fulfils a blocking function as pipe rupture protection.
closed hydraulic circuitThe hydraulic oil stays in the working lines and continuously flows from the hydraulic pump to the consumer load and back again. Internal leaks that develop are filled in again by a supply pressure pump.
Construction machineryConstruction machinery uses hydraulics for all working functions such as lifting, gripping etc., as well as for the travel drive.
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