Chapter 7 Basic Hydraulic Circuits 2.Pressure-venting by pilot-operated relief valve As shown in Fig.7-2b. 3.Pressure-venting by a pump limited pressure As shown in Fig.7-2c. 4.Pressure-venting by an accumulator As shown in Fig.7-2d. 8 Homepage List Upwards Downwards Retumn Exit Chapter 7 Basic Hydraulic Circuits 8 2. Pressure-venting by pilot -operated relief valve As shown in Fig.7-2b. 3. Pressure-venting by a pump limited pressure As shown in Fig.7-2c. 4. Pressure-venting by an accumulator As shown in Fig.7-2d