R978911800 PRESSURE RELIEF VALVE DBW10B1-5X/100YU6EW110N9K4/12 is a high-quality industrial hydraulic valve designed to ensure reliable pressure reduction to the set value. With nominal size 10 and symbol B, it is solenoid-operated at 110 - 120 V AC. Original Bosch Rexroth products are available with local support from CreatX Technology SRL.