New York Low Pressure Boiler COF Practice

What component is used to separate the boiler from the non-boiler side in a desuperheater?

1. Pressure relief valve

2. Shut off valve

3. Temperature gauge

4. Flow control valve

The correct answer is: Shut off valve

In a desuperheater, the component that is typically used to separate the boiler side from the non-boiler side is the shut off valve. This is crucial for ensuring that the system can maintain proper pressure and temperature control while allowing for maintenance or troubleshooting. The shut off valve enables operators to isolate sections of the system, which is essential to protect both the boiler and the surrounding equipment during service or emergency situations. While other components like pressure relief valves and flow control valves play important roles in the overall system – managing pressure to prevent excessive buildup and regulating fluid flow rates respectively – they do not specifically function to create a physical separation between the boiler and non-boiler sides. A temperature gauge is useful for monitoring conditions but does not provide the isolation needed for safe operation and maintenance of the system.