... and quickly4. Hydraulic tube-free connection between devices, eliminating for tubing, pipe joints and other leakage, caused by vibration and noise5 ... of hydraulic valves and valves body.8. It make adjustment for direction of hydraulic oil, pressure, flow regulation9. Manifold ... valves, stack valves)11. If use integrated hydraulic components for hydraulic system, no need extra connection block, but use ...