ASME Section I Safety Valves — Fired Boiler Protection
ASME Section I governs fired boiler design, operation, and safety—including the safety valve protection that prevents catastrophic pressure failure. Aquatrol’s ASME Section I valves are manufactured, tested, and certified to meet every requirement for steam boiler protection. Each valve includes third-party certification, capacity test documentation, and engineering support for boiler code inspection.
Why Aquatrol ASME Section I Valves
Fired boiler safety is regulated at the federal and state level. ASME Section I mandates that every boiler have certified, properly sized safety valve protection. Aquatrol’s ASME Section I valves carry ASME certification stamps and third-party capacity test reports proving compliance with Code requirements. Our valves pass boiler inspector review without question.
For overpressure protection on unfired pressure vessels (heat exchangers, receivers, separators, reactors) rather than fired boilers, see our complete guide to ASME Section VIII pressure relief valve requirements.
Section I safety valves must be sized for the boiler’s maximum firing rate and operating pressure. Undersizing leaves the boiler unprotected; oversizing causes insufficient relief and system deadheading. We engineer sizing based on burner capacity, boiler water volume, steam generation rate, and fuel type to ensure your valve provides exactly the right protection.
Installation and inspection matter. Section I requires specific valve location (on the steam outlet near the boiler), proper vent piping, and periodic capacity testing. Our technical team guides you through installation, provides detailed piping diagrams, and can coordinate with boiler inspectors to verify compliance. Full documentation supports your inspection.
| Series | Pressure Range | Capacity (PPH) | Boiler Size |
|---|---|---|---|
| 69 | 50–1,500 PSIG | Up to 40,000 | Large industrial boilers |
| 88 | 50–400 PSIG | Up to 15,000 | Small package boilers |
| 55 | 50–1,000 PSIG | Up to 35,000 | Medium steam generation |
| 88/89 | 50–600 PSIG | Up to 25,000 | Packaged boiler protection |
| 120 | 50–1,000 PSIG | Up to 45,000 | High-capacity generation |
Common Applications
- Fired boiler overpressure protection (primary safety)
- Steam outlet relief valves on boiler drum
- Superheater steam line safety limiting
- Industrial steam generation at power plants
- Package boiler protection for commercial facilities
- Process heating steam generation
- District heating and steam distribution networks
Need Help Choosing the Right Valve?
Our valve engineers can help you select the perfect valve for your application.