Which type of valve is commonly used in steam systems?

Ball valves are commonly used in steam systems due to their robust construction and ability to provide a tight seal when closed. They operate by rotating a ball with a hole through its center, allowing for full flow when the valve is open and minimal resistance when closed. This design makes ball valves suitable for high-pressure and high-temperature applications typical in steam systems.

The durability of ball valves is paramount; they are often made from materials such as stainless steel or brass which can withstand the harsh conditions of steam service. Their design allows for quick operation, which is beneficial in applications where steam systems must be rapidly controlled or shut down.

In contrast, PVC valves are not suitable for steam systems due to their limitation in pressure and temperature resistance. Faucet valves are generally designed for low-pressure water applications and lack the robustness required for steam. Compression valves are primarily used in plumbing applications and are not intended for high-temperature and high-pressure steam environments.