Pressure Relief Valves
Pressure relief valves are critical safety devices designed to protect equipment and pipelines from over‑pressure conditions. Unlike isolation valves, these valves automatically release excess pressure when system limits are exceeded, preventing catastrophic failure, equipment damage, or safety hazards.Relief valves open proportionally to rising pressure, allowing controlled discharge until normal operating levels are restored. Safety valves, by contrast, open fully and immediately in emergency conditions. Together, they provide continuous protection, compliance with safety standards, and reliable operation across oil & gas, petrochemical, power generation, and chemical industries
Performance Benefits
Automatic Over‑Pressure Protection – Ensures system safety without operator intervention.
Precise Calibration – Accurate set points for repeatable performance.
Emergency Response – Safety valves open instantly to prevent disaster.
Regulatory Compliance – Meets ASME, API, and ISO standards.
Durability – Built for high pressure and temperature environments.
Low Maintenance – Simple inspection and servicing requirements.
Material Options
| Material | Application / Benefit |
|---|---|
| Carbon & Cast Steel | General service, steam, and high‑temperature duty |
| Stainless Steel | Corrosive media, cryogenic service, hygiene environments |
| Special Alloys | Monel, Hastelloy, Inconel for aggressive chemicals and extreme thermal cycling |
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Technical Data – Pressure Relief Valves
| Specification | Details |
|---|---|
| Size Range | ½” to 12” (DN15 – DN300) |
| Pressure Ratings | ANSI 150# to 2500#, API up to 10,000 |
| Design Standards | API 526, ASME Section VIII, ISO 4126 |
| Types | Spring‑Loaded, Pilot‑Operated |
| End Connections | Flanged, Butt‑Weld, Socket‑Weld, Threaded |
| Testing | API 527, ASME Section VIII, ISO 4126 compliance |
| Operation | Automatic pressure‑activated release |