Sanitary Discs
Sanitary rupture disc SCR
Safety · Rupture Discs
Manufacturer: 
DonadonSDD's SCR reverse acting rupture discs are essential safety devices that prevent sudden pressure variations from damaging industrial plants. Reverse acting rupture discs have a convex disc camber that remains unaltered under operating pressure until reverse pressure is reached and this can ensure long service life. DonadonSDD SCR rupture discs uses advanced sector technology and provide improved performance and reliability to offer precise protection in the most high- risk applications, making DonadonSDD SCR rupture discs the best choice for your plant’s safety.
Technical data
- SCR
- Sanitary Rupture Discs
- PTFE
- or PFA lining (FDA approved) available for added protection.
- Easy installation with certified
- PTFE gaskets.
- Materials
- Stainless steel, Alloy 201, Alloy 400, Alloy 600, Alloy 625, Alloy C276, Titanium
- Dimensions
- From DN25 (1 inch) to DN150 (6 inches)
- Rupture pressure
- 0.4 - 8 bar g (Depending on size and material)
- Tolerance
- from +/- 5 % to +/- 20%
- Operating temperature
- Max 260°C (Gaskets in PTFE)
- Fragmentation
- No
- Use in combination with PSV
- Suitable
- Operating margin
- 90% - Can reach up to 95% depending on service conditions.
- Resistance to vacuum pressure
- Yes, self-supporting under vacuum conditions
- Corrosion resistance
- Very Good
- Linings
- Available in PTFE and PFA
- Rupture sensor
- Electrical
- Operation Ratio
- up to 95%
- Non Fragmenting
- yes
- Vacuum Resistant
- yes
- Sanitary
- yes
- Liquid
- yes, with the presence of a minimum free vapor volume
