The common failures of valves include: poor sealing, easy leakage, poor pressure holding, and poor switch.

Pipe valves are made from a variety of materials, including brass, bronze, cast iron, steel, and plastic. There are many different types of pipe valves, each with their own unique benefits and drawbacks. The material the valve is made out of will often dictate what the valve is best suited for.

There are many different types of valves, each with its own advantages and disadvantages. The most common types are: ball valves, butterfly valves, check valves, globe valves, gate valves, and diaphragm valves.