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Double Block vs Double Isolate Systems

14 Sep 2021  |
Crucial to work safely in the industrial sector.

Safety is something that’s not up for discussion: all maintenance and repairs to critical pipework installations must comply with the strictest standards, and both Double Block and Bleed and Double Isolate and Bleed play a crucial role in this.

These types of shut-off devices not only guarantee safety; they also optimise the production process in terms of energy costs, sustainability and the environment.

This whitepaper allows you to explore the benefits of Double Block and Isolate systems and demonstrates exactly how KLINGER develops the right solutions for your installations.

Why Are Double Block and Double Isolate Systems So Important?

Powerful advantages
Even though Double Block and Isolate systems have been on the rise for some time, awareness of the powerful advantages they offer remains relatively low. In fact, many industrial organisations remain unaware of what they are looking for, as the differences between the two systems are unclear. Research shows that ninety percent of industrial professionals who do not deal with safety aspects on a daily basis confuse Double Block and Bleed systems with Double Isolate and Bleed systems.

People come first
Safety is the main argument for implementing a Double Block and Bleed or Double Isolate and Bleed system in an installation. The European standards regarding employee safety are getting stricter by the day. In other words: people come first.

Process safety
Fortunately, the number of businesses in the Netherlands who are focusing on this as a priority is growing, based on the following philosophy: if affordable solutions are available to increase process safety, we simply have to implement them. In fact, the Netherlands is well ahead of the rest of the world in this area. Another aspect to be considered is that many industrial installations in our country were built in the 1960s; an era in which operational safety was not the priority it is now. As time has passed, countless businesses in the industrial sector have decided to convert their ageing installations to guarantee that people can work safely.

But that’s not all. There are plenty more factors that help make the case for Double Block and Bleed or Double Isolate and Bleed systems.

Double Block and Bleed And Double Isolate and Bleed in the Industrial Market

Prevent costly interventions
One aspect that typifies the current situation is that the industrial market has little insight into the opportunities Double Block and Bleed and Double Isolate and Bleed systems offer. On site visits, our KLINGER specialists regularly notice that businesses often opt for two or three separate shut-off devices in their installations, even though they barely have the space for them. This results in expensive interventions in pipework sections with lots of different risks and unsafe situations, all while a perfect solution is available in the form of a Double Block system that requires only a single shut-off device to be fitted.

This unawareness of the opportunities offered by Double Block and Bleed or Double Isolate and Bleed systems often also means that management teams dither for too long on whether to invest or not. As a result, ageing installations that cannot be or can barely be adjusted according to the traditional way of thinking remain inefficient and even unsafe for way longer than they need to.

An innovative approach
The innovative approach of a Double Block and Bleed or Double Isolate and Bleed solution was first used in the United States, where industrial businesses started improving safety aspects much earlier due to the bias within the legal system towards preventing claims. However, across the rest of the globe too, large listed companies are now pioneering the implementation of safe solutions using Double Block or Isolate systems.

Conclusion

Double Block and Isolate systems are not a luxury in industrial installations; on the contrary, they are essential. The following elements play a major role in the step towards process optimisation using Double Block and Bleed or Double Isolate and Bleed solutions:

  • Production process operational safety Reduction of emissions
  • Cost reduction
  • Improving sustainability

The use of these systems is not just an interesting option for ageing installations: the Double Block or Isolate principle helps industrial processes of all shapes and sizes function more optimally — and KLINGER can deliver the custom solutions you need to lift your production processes to the next level.

This article is a part of a whitepaper. Click here to read the full white paper.

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KLINGER is an established top leader for sealing, fluid control and fluid monitoring systems. The family business, founded in 1886, today presents itself as a globally active Group of Companies. KLINGER is the world’s leading...

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