The R978917141 PRESSURE RELIEF VALVE DBW 20 B2-5X/350S6EW110N9DK23LR12/12 is a high-quality industrial hydraulic valve designed to reliably reduce pressure to the desired setting. With a nominal size of 25 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.