R901010501 PRESSURE RELIEF VALVE DBW52BF2-3X/315YU6EW110N9K4 is a high-quality industrial hydraulic valve designed to reliably reduce pressure to the set value. With nominal size 52 and symbol B, it is solenoid-operated at 110 - 120 V AC. Original Bosch Rexroth products ensure superior performance and local support through CreatX Technology SRL.