Rupture Disc – Safety Rupture Disc for Overpressure Protection

Rupture Disc, also known as a safety rupture disc or bursting disc, is a non-mechanical pressure safety device designed to protect pressure systems from excessive pressure. When the system pressure exceeds the predetermined limit, the rupture disc opens to rapidly release excess pressure and help prevent damage to pressure vessels, piping systems, and process equipment.

Featuring a Reverse Dome Shear Type design, the Rupture Disc provides reliable performance under demanding operating conditions, including back pressure, vacuum, and pulsation. No vacuum support is required, while the maximum operating ratio can reach 90%.

What Is a Rupture Disc?

A Rupture Disc is a pressure relief safety device designed to protect industrial systems against overpressure.

Unlike conventional mechanical safety valves, a rupture disc does not rely on springs or moving mechanical components. When the pressure reaches the specified set pressure, the disc ruptures according to its designed mechanism, creating an opening that allows pressure to be released rapidly.

The Rupture Disc is designed for installation in an Manufacture standard holder, making it suitable for a wide range of industrial pressure protection applications.

Reverse Dome Shear Type Design

The Rupture Disc features a Reverse Dome Shear Type structure. The dome is installed in reverse orientation and works together with an integrated knife ring.

When the system pressure reaches the specified set pressure, the dome inverts and activates the knife ring. The knife cuts the disc through a shear-actuated mechanism, allowing the rupture disc to open quickly and release excess pressure from the system.

The disc and knife are integrated into one assembly, providing a compact design and making the product easier to handle and install.

Key Features of Rupture Disc

1. High Safety and Reliability

The Rupture Disc is specifically designed to protect pressure equipment from excessive pressure. When the pressure reaches the predetermined set pressure, the disc ruptures and provides an immediate pressure relief path.

Typical applications include:

• Pressure vessels.

• Storage tanks and process equipment.

• Steam and gas systems.

• Chemical reactors.

• Industrial piping systems.

• Gas and liquid processing systems.

• Industrial equipment requiring reliable overpressure protection.

  

   

2. Excellent Corrosion Resistance

The Rupture Disc can be manufactured from a wide range of materials to suit different operating environments, including:

• Stainless Steel.

• Hastelloy.

• Monel.

• Nickel.

• Titanium.

• Tantalum.

• Duplex Stainless Steel.

• Special Alloys.

• Aluminum.

• Other materials available upon request.

Selecting the appropriate material helps ensure reliable performance in corrosive chemical environments and demanding industrial applications.

3. No Vacuum Support Required

One of the major advantages of the Reverse Dome Shear Type design is that no vacuum support is required.

The Rupture Disc can be used under various operating conditions, including:

• Back pressure.

• Vacuum.

• Pulsation.

This makes the product suitable for pressure systems with complex and fluctuating operating conditions.

4. Wide Operating Temperature Range

The Rupture Disc can be designed for operation across a wide temperature range from:

-200°C to 600°C

This allows the product to be considered for applications ranging from low-temperature processes to high-temperature industrial systems.

5. High Operating Ratio up to 90%

The Rupture Disc provides a maximum operating ratio of up to 90%, allowing the system to operate relatively close to the set pressure while maintaining the designed pressure protection function.

The appropriate operating ratio should be evaluated together with actual operating pressure, set pressure, temperature, and process conditions.

6. No Fragmentation

The product is designed with:

Fragment: No

This helps minimize the risk of disc fragments being generated after rupture and is particularly beneficial for systems where downstream equipment protection and operational safety are important.

7. No Spark Generation

The Rupture Disc specification includes:

Spark: No

This feature can be advantageous in industrial applications where controlling potential spark generation is an important safety consideration.

The actual material and product configuration should always be selected according to the process medium, temperature, pressure, and applicable safety requirements.

Rupture Disc Technical Specifications

Other specifications are available upon request.

Set Pressure and Available Sizes

The Rupture Disc is available with a set pressure range from 0.35 to 30 kg/cm², covering a wide variety of industrial pressure protection requirements.

Available sizes range from:

1/2" to 24" (15A to 600A)

The correct set pressure and disc size should be selected based on the system's design pressure, operating pressure, temperature, process medium, back pressure, vacuum conditions, and other operating requirements.

What Media Can a Rupture Disc Handle?

The Rupture Disc can be used for a variety of process media, including gas, vapor, and liquid.

Typical applications include:

• Industrial gases.

• Steam and process vapor.

• Liquids.

• Chemical processing systems.

• Oil and gas applications.

• Process equipment.

• Pressure vessels.

• Steam and thermal systems.

• Equipment requiring reliable overpressure protection.

Advantages of Reverse Dome Shear Type Rupture Disc

Compared with other rupture disc designs such as KSRR, the Reverse Dome Shear Type provides several practical advantages:

High safety → Excellent corrosion resistance → No vacuum support required → Suitable for back pressure and pulsation → Wide operating temperature range → High operating ratio → Easy handling.

The integrated disc and knife design also contributes to convenient handling and installation.

Industrial Applications of Rupture Disc

Rupture Discs are widely used as pressure protection devices across various industries.

Oil & Gas Industry

Rupture Discs can be used to protect pressure vessels, process equipment, and piping systems where excessive pressure may occur during operation.

Chemical Industry

The availability of materials such as Hastelloy, Titanium, Tantalum, and Special Alloys makes Rupture Discs suitable for consideration in various corrosive chemical environments.

Steam and Boiler Systems

Rupture Discs can be used as an additional pressure protection solution for steam systems, pressure equipment, boilers, and process piping.

Food & Beverage Industry

In systems involving pressure vessels, steam, and process equipment, Rupture Discs can help protect equipment from excessive pressure.

Reactors and Pressure Vessels

Rupture Discs are particularly suitable for equipment where rapid pressure relief is required in the event of an overpressure condition.

How to Select the Right Rupture Disc

To select the appropriate Rupture Disc for an industrial system, the following parameters should be considered:

1. Set Pressure.

2. Operating Pressure.

3. Design Pressure.

4. Operating Temperature.

5. Process Medium – gas, vapor, or liquid.

6. Pipe or connection size.

7. Back Pressure.

8. Vacuum Conditions.

9. Pulsation Conditions.

10. Material compatibility with the process medium.

11. Holder and installation configuration.

Correct selection of these parameters helps ensure that the Rupture Disc operates according to its design and provides effective pressure protection for the system.

Situations that demand a Rupture Disc

In case there is any concern that there can be an abrupt rise in pressure that cannot be endured by a spring type safety valve.

In case there is any concern that fixtures generated by the operation state may damage the operation function of other safety materials owing to excessive pressure.

In case the leakage of oil reserved in a tank from a safety device is not permitted during an operation.

In case there is a need to have a protective device in preparation for a container and pipe that reserves or produces oil of a strong corrosive nature.

In case of handling or reserving materials that are likely to undergo a synthetic reaction.

In case there is a possibility that an excessively high or low temperature in the operational environment might inhibit the operation of a safety valve.

Buy Rupture Disc in Vietnam

A Rupture Disc is an essential pressure protection device for industrial systems involving pressure vessels and process equipment.

With its Reverse Dome Shear Type design, ability to operate under back pressure, vacuum, and pulsation conditions, wide temperature range from -200°C to 600°C, and maximum operating ratio of up to 90%, this Rupture Disc is suitable for a wide range of industrial applications.

TheGioiVan.net provides Rupture Disc and overpressure protection solutions with various material options, sizes, and set pressure configurations for applications in oil & gas, chemical processing, steam systems, boilers, food & beverage, water treatment, and other industrial sectors.

If you are looking for a Rupture Disc, safety rupture disc, bursting disc, or overpressure protection device, please provide the required process medium, operating pressure, set pressure, operating temperature, and connection size so that the appropriate configuration can be selected for your system.

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