... 8,G1/2 DL-8 series is sectional valve ,hydraulic valve,directional control valve,directional spool valve,which is widely used in the hydraulic ... /off and directing the working fluid between head flow generators (hydraulic pumps), head flow consumers (hydraulic cylinders, motors, etc.), and ... size is G1/2;G3/88: the diametre, corresponding flow is 30L/min; ALSOPROVIDE DIAMETRE 15MM FOR YOUR CHOICE.E ...