SU/M Sealed Units – Easy and Reliable Rupture Disc Mounting for Industrial Plants

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.
High Certification Standards: Our rupture discs are certified to meet the highest international standards, including PED 2014/68/UE (CE STAMP), PER 2016 UK Statutory Instruments 2016 No 1105 (UKCA STAMP), and CU TR 032 (EAC STAMP).

Keyfeatures & technical benefits

Technique:

These units are formed by a threaded connector with two pieces, containing a calibrated rupture disc that is inserted and sealed in the container.

Connections:

Available in several sizes (starting from 1/4”) and standard connection (NPT, GAS, BSPP, BSPT, UNF), specific customizations are also possible.

Corrosion-Resistant:

Wide range of materials and thickness options.

Why Choose DonadonSDD?

  • Recommended for protection of plants, plant equipment, and containers
  • DonadonSDD SU/M sealed units are designed to make rupture disc mounting easy and reliable, simplifying handling, and eliminating the need for specialized personnel.
  • The units react to over-pressure in a few milliseconds, providing reliable and efficient protection for industrial plants, plant equipment, and containers
MODELSU/M
MATERIALSStainless steel, Alloy 400, Alloy C276
RUPTURE PRESSURE0.5 – 600 bar g (Depending on size and material)
TOLERANCEfrom +/- 5 % to +/- 20%
OPERATING TEMPERATUREup to 500°C
FRAGMENTATIONYes (Without fragmentation in special execution)
OPERATING MARGINCan reach up to 80% depending on service conditions.
RESISTANCE TO VACUUM PRESSURENo (Vacuum support in special execution)
CORROSION RESISTANCEVery Good
INSTALLATIONDirect installation
Performance Attributes
Operation Ratio
up to 80%
Non Fragmenting
no
Vacuum Resistant
usually, no
Sanitary
no
Process Media
Liquid
yes
Vapor/Gas
yes

Certifications

Get in touch

Safety devices such as rupture discs and explosion venting panels are essential for modern, efficient industrial plants.

Let’s find out together which ones are ideal for you!
Contacting us is easy, you only need to fill the form.