Which material should not be used for hydraulic fluid conductors?

Galvanized pipe should not be used for hydraulic fluid conductors primarily due to its high susceptibility to corrosion and the potential for metal flaking. Hydraulic systems require materials that maintain their integrity under high pressure and are stable over time. Galvanization involves a zinc coating, which can deteriorate when in contact with hydraulic fluids, especially in the presence of moisture or aggressive chemicals. This can lead to blockages, leaks, and system failures.

In contrast, hose, tubing, and black pipe are generally better suited for hydraulic applications. Hoses are designed to handle flexible connections and can withstand high pressures, while tubing and black pipe are often used for rigid connections and can be specifically designed for compatibility with hydraulic fluids. By choosing materials that are resistant to corrosion and compatible with hydraulic fluids, the reliability and safety of the hydraulic system are significantly improved.