A hydraulic tube is like a fancy straw that helps fluids move around in hydraulic systems. It’s shaped like a cylinder and connects different parts of the system, letting the liquids flow smoothly. These tubes are made to strict standards, ensuring they’re just the right size and made of the right materials. They’re super important for making sure everything works properly in hydraulic systems, from pumps and valves to fittings and tools. So, the next time you see heavy machinery lifting or a car’s brakes working smoothly, you can thank these trusty hydraulic tubes quietly doing their job behind the scenes!