... of EDB-01,EDG-01,EDB-02,EDG-02,EDB-03,EDG-03,EDB-06,EDG-06 Hydraulic Proportional Relief Valve 1 ... small DC solenoid and direct-acting relief valve6. It serves as a pilot valve for a low flow rate hydraulic system ... of EDB-01,EDG-01,EDB-02,EDG-02,EDB-03,EDG-03,EDB-06,EDG-06 Hydraulic Proportional Relief Valve