R900507951 THROTTLE VALVE Z2FS6A3-4X/1QV is a high-quality industrial hydraulic valve, providing reliable throttling of flow volume to the set value. With a nominal size of 6, it allows precise flow control between A1 → A2 or A2 → A1, mechanically operated. Original Bosch Rexroth products are available with local support through CreatX Technology SRL.