Sealed Unit
Sealed rupture disc SU/M Sealed Unit
Safety · Rupture Discs
Manufacturer: 
DonadonSDD SU/M sealed units are designed to make mounting rupture discs in industrial plants easy and reliable. DonadonSDD offers an extensive line of bursting disc devices designed to satisfy the pressure relief requirements found in many processing industries. Where customer applications require a specific approach, DonadonSDD is ready to study and produce a 100% customized product.
Technical data
- SU/M
- Sealed Units
- Materials
- Stainless steel, Alloy 400, Alloy C276
- Rupture pressure
- 0.5 – 600 bar g (Depending on size and material)
- Tolerance
- from +/- 5 % to +/- 20%
- Operating temperature
- up to 500°C
- Fragmentation
- Yes (Without fragmentation in special execution)
- Operating margin
- Can reach up to 80% depending on service conditions.
- Resistance to vacuum pressure
- No (Vacuum support in special execution)
- Corrosion resistance
- Very Good
- Installation
- Direct installation
- Operation Ratio
- up to 80%
- Non Fragmenting
- no
- Vacuum Resistant
- usually, no
- Sanitary
- no
- Liquid
- yes
