Sealed Unit Rupture Discs | DonadonSDD | Philippopoulos s.a.
Sealed Unit Rupture Discs | DonadonSDD | Philippopoulos s.a.
Sealed Unit Rupture Discs | DonadonSDD | Philippopoulos s.a.
Sealed Unit Rupture Discs | DonadonSDD | Philippopoulos s.a.
Sealed Unit Rupture Discs | DonadonSDD | Philippopoulos s.a.
Sealed Unit Rupture Discs | DonadonSDD | Philippopoulos s.a.
Sealed Unit Rupture Discs | DonadonSDD | Philippopoulos s.a.
Sealed Unit Rupture Discs | DonadonSDD | Philippopoulos s.a.

Sealed Unit Rupture Discs | DonadonSDD

Sealed Unit Rupture Discs | DonadonSDD: Reliable Pressure Protection, Always

Discover top-level safety with Sealed Unit Rupture Discs | DonadonSDD—engineered for critical industrial environments where precision and reliability matter most. These rupture discs are designed to provide instant, dependable pressure relief, protecting your equipment and ensuring continuous, safe operation.

Features & Benefits of Sealed Unit Rupture Discs | DonadonSDD

  • Complete Sealing: The sealed unit construction prevents leaks, keeping your process safe and free from contamination. This means fewer concerns about product loss or hazardous exposure.
  • Accurate Pressure Relief: Each disc bursts exactly at its specified pressure, responding instantly to dangerous conditions and shielding your system from overpressure damage.
  • Easy Installation: Designed for straightforward fitting, these discs save valuable time during maintenance and replacement, minimizing downtime and ensuring your operations remain on track.
  • Low Maintenance: With no moving parts and a robust build, these rupture discs offer a maintenance-free solution, reducing the need for frequent checks or part replacements.
  • Versatility: Suitable for a wide range of industrial applications, from chemical processing to energy production, the DonadonSDD sealed unit fits seamlessly into existing systems.
  • Enhanced Safety: The sealed unit design eliminates the risk of leaks and ensures your facility is safer for workers and the environment.
  • Durable Materials: Built with high-quality metals and advanced sealing technology, these discs stand up to harsh pressures and challenging environments.

With Sealed Unit Rupture Discs | DonadonSDD, you gain unmatched peace of mind. Their advanced technology removes the uncertainty from overpressure scenarios, acting as a safeguard for both equipment and people. Whether you're working with aggressive chemicals or operating under tough industrial conditions, these rupture discs deliver proven, consistent performance. Trust DonadonSDD for a safer, smoother, and more reliable operation every day.

Description

DonadonSDD SU/M sealed units are formed by a threaded connector, formed by two pieces, containing a calibrated rupture disc. The rupture disc is inserted in the threaded and sealed container. These units have been designed to make small disc mounting in plants easy and reliable, to simplify handling without need of specialised personnel.

SU/M sealed units are suitable for use with gases and liquids in cycling and pulsating conditions. SU/M sealed units react to over-pressure in a few milliseconds and are recommended for protection of plants, plant equipment and containers.

ModelSU/M
MaterialsStainless steel
Dimensionsfrom DN 3 to DN 40
Rupture pressure20 - 1150 bar g (depending on material and diameter)
Tolerancefrom +/- 5 % to +/- 10%
Operating temperatureUp to 480 °C
Operating margin80%
Vacuum supportNo
FragmentationYes (Without fragmentation in special execution)
Use under valveNo
Corrosion resistanceVery good
ContainerIncluded, direct mounting
PED Certification [CE STAMP]Available

DonadonSDD SU/T sealed units are formed by a threaded connector containing a calibrated rupture disc. The rupture disc is welded to the connector. These units have been designed to make small disc mounting in plants easy and reliable, to simplify handling without need of specialised personnel.

SU/T sealed units are suitable for use with gases and liquids in cycling and pulsating conditions. SU/T sealed units react to over-pressure in a few milliseconds and are recommended for protection of plants, plant equipment and containers.

ModelSU/T
MaterialsStainless steel
Dimensionsfrom DN 3 to DN 40
Rupture pressure20 - 1150 bar g (depending on material and diameter)
Tolerancefrom +/- 5 % to +/- 10%
Operating temperatureUp to 480 °C
Operating margin80%
Vacuum supportNo
FragmentationYes (Without fragmentation in special execution)
Use under valveNo
Corrosion resistanceVery good
ContainerIncluded, direct mounting
PED Certification [CE STAMP]Available

Certifications

Quality certifications are a guarantee. DonadonSDD has obtained the following certifications.

DonadonSDD provides high-quality products that meet the safety requirements of the systems where they are installed. The organisation and procedures fully comply with the ISO 9001 standard to ensure the utmost quality for our products. Our quality system has also met the stringent requirements of the UNI EN 9100 standard concerning design, development, and manufacture of rupture discs for the aerospace industry.

DonadonSDD products – such as rupture discs, explosion venting panels, and rupture indicators – are certified in compliance with PED directive 2014/68/EU or ATEX directive 2014/34/EU. The rupture discs alone are manufactured, tested, and certified in compliance with ASME directive, Section VIII, Division 1 and carry the relative UD stamp. 

DonadonSDD is subject to inspections carried out by 3-A Sanitary Standard, Inc. (3-A SSI) so that our rupture discs can meet the highest sanitary standards.

Upon request, our clients can ask independent inspectors to certify single batches.

DOWNLOAD CERTIFICATIONS