R900591603 THROTTLE VALVE Z2FS6A5-4X/2QV is a high-quality industrial hydraulic valve designed to ensure reliable throttling of flow volume to the set value. With a nominal size of 6, it allows precise flow control between A1 and A2 or A2 and A1, mechanically operated. Original Bosch Rexroth products are available with local support through CreatX Technology SRL.