Graphite Rupture Discs are specialized safety devices designed for overpressure protection in environments where metal rupture discs might not perform adequately due to corrosive media or extreme temperatures. Made from pure graphite, these rupture discs provide superior chemical resistance and high-temperature stability, making them ideal for harsh industrial conditions.
Graphite is naturally resistant to a wide range of aggressive chemicals, including acids, bases, and solvents, ensuring long-lasting performance in corrosive environments.
Capable of withstanding extreme temperatures, these rupture discs are suitable for applications with operating temperatures up to 400°C (752°F).
Engineered to open cleanly without producing fragments, which helps protect downstream equipment and maintain process integrity.
Graphite's inherent brittleness ensures that the disc will rupture at precise pressure points, providing reliable overpressure protection.
Available in various sizes, burst pressures, and configurations to meet specific application requirements.
Ideal for industries such as chemical processing, petrochemicals, and power generation where both corrosion resistance and temperature resilience are critical.
| Nominal Disc Size | Burst Pressure Range (min) – psig (barg) | Maximum Burst Pressure (psig) |
|---|---|---|
| 1″ | 5 – 25 | 200 |
| 25 mm | 5 – 25 | 200 |
| 2″ | 5 – 20 | 150 |
| 50 mm | 5 – 20 | 150 |
| 3″ | 5 – 15 | 100 |
| 80 mm | 5 – 15 | 100 |
| 4″ | 5 – 10 | 75 |
| 100 mm | 5 – 10 | 75 |
| 6″ | 5 – 10 | 50 |
| 150 mm | 5 – 10 | 50 |
Maximum Temperatures:
| Specified Burst Pressure Rating | Manufacturing Ranges | Burst Tolerance |
|---|---|---|
| 1.0 to below 5.0 | +/-0.50 | +/-0.50 |
| 5.0 to below 10.0 | +/-0.30 | +/-0.80 |
| 10.0 to below 15.0 | +/-0.60 | +/-1.30 |
| 15.0 to below 40.0 | +/-0.09 | +/-2.00 |
| Above 40 | +/-5% | +/-5% |
The BI Series Rupture Disc Indicator is a single-use burst sensor that can be installed with graphite rupture discs to detect rupture in real-time. It is explosion-proof and suitable for use in hazardous environments, providing an additional layer of safety and process control.
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