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

DonadonSDD SU/T 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.

Keyfeatures & technical benefits

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).

Technique:

The units react to over-pressure in a few milliseconds, providing reliable and efficient protection for industrial plants.

Connections:

Available in several sizes (starting from 1/2”) and standard connection (NPT, GAS, BSPP, BSPT, UNF), specific customizations are also possible.

Why Choose DonadonSDD?

  • DonadonSDD SU/T sealed units are suitable for use with gases and liquids in cycling and pulsating conditions, providing optimal protection for industrial plants.
  • The units react to over-pressure in a few milliseconds, providing reliable and efficient protection for industrial plants.
  • Our SU/T sealed units are designed to make rupture disc mounting easy and reliable, simplifying handling, and eliminating the need for specialized personnel.
MODELSU/T
MATERIALSStainless steel
RUPTURE PRESSURE0.3 – 1150 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

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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!
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