Consider factors such as the material, diameter, wall thickness, pressure rating, and corrosion resistance to ensure they meet the specific needs of your application.

Valves regulate the flow of fluids, controlling their direction, pressure, and volume. They can be used to isolate sections of a system, throttle or stop flow, and protect against backflow.

Fittings connect, adapt, and change the direction of piping systems. They include elbows, tees, reducers, unions, and caps, each serving specific functions.

Regular inspection, cleaning, and lubrication are crucial. Check for leaks, corrosion, and wear. Follow manufacturer's guidelines for proper maintenance to ensure optimal performance and longevity.