The R978916559 PRESSURE RELIEF VALVE DBW 20 B2-5X/315S6EW110N9K4R12/12 is a high-quality industrial hydraulic valve designed to reliably reduce pressure to the set value. Featuring a nominal size of 25 and symbol B, it is solenoid-operated at 110 - 120 V AC. Original Bosch Rexroth products are locally supported by CreatX Technology SRL, providing technical support and repairs.