The three lever monoblock hydraulic control unit is double acting up to max 250 bar working pressure the control unit is for smooth lifting and lowering also fits for double acting hydraulic cylinders and has a pressure relief valve and spring return size overall length 21 cm width 17 cm height 7 cm with lever 23 cm flow rate 40 lmin also suitable for tipper lorries connections a b 38 internal thread p t 12 internal thread