The R978911039 PRESSURE RELIEF VALVE DBW20B1-5X/315-6EW110N9K4V/12 is a high-quality industrial hydraulic valve designed for reliable pressure reduction to the set value. With nominal size 25 and symbol B, it is solenoid-operated at 110 - 120 V AC. Original Bosch Rexroth products are available with local support through CreatX Technology SRL, ensuring superior performance and durability.