Hydraulic-Training Axial Piston Units Basic Principles

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1 Basic Principles 1.1 Types of Hydraulic Circuit 1.1.1 Open Circuit Open circuit normally means the case where the pump suction line leads below a fluid level whose surface is open to atmospheric pressure. Maintenance of a pres-sure balance between the air in the hydaulic tank and the air in the atmosphere guarantees good pump suction ...

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