R900438760 THROTTLE VALVE Z2FS6B2-4X/1QV is a high-quality industrial hydraulic valve designed to ensure reliable throttling of flow volume at the set value. With a nominal size of 6, it allows precise flow control between B1 and B2 or B2 and B1, mechanically operated. Original Bosch Rexroth products are available with local support through CreatX Technology SRL.