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Many of us have the impression that the bolt stress will go up when a flange pair in a pipe system is pressurized after assembly.

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Red-Bag User Day May, 2019 took place in the new industrial location of RDM Rotterdam. We have had a successful start of the Technical Journey with a motivated group of participants.

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We are happy to announce that our new address is:
Red-Bag BV
Klinknagelstraat 2
3089 JP Rotterdam
Netherlands
Tel.: +31(0)10 790 0062
New VAT nr.: NL859323808B01
All relevant contact and email addresses remain the same. Contact us at

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Red-Bag User Day April 12, 2017 - Delft - The former industrial building of Lijm & Cultuur created a splendid technical environment for technical presentations and sharing experiences.


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Red-Bag is conducting a training - November 16, 2016 in Delft.
EN1591-1 TRAINING - TECHNOLOGY LEADING

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Red-Bag is conducting the training with the Biluna Validation software. This software allows you to do an in-depth analysis of the calculation, individual formula and your input. The training uses this software extensively on real cases. The participant will have to use the software to find the problems.

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Training skid of Dijkgraaf-Suport is being unloaded at the User Day site. We have received very positive feedback and will have more of these User Days in the future. We thank all participants and especially thank Peter Dijkgraaf and Cyril Wentzel for their excellent contribution.

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Red-Bag is conducting a user day on April 5, 2016 in Rotterdam. The registration is open for users of the Red-Bag software. The registration is closed, 2016.
The main purpose is to meet other colleagues and to share experience.
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Design and engineering requires hands-on experience. The engineering calculations are difficult to assess without this experience. Although Red-Bag is a software company we believed this experience is crucial to giving adequate support to our customers. Red-Bag is finalizing the calculation software as per EN1591-2014. This calculation method is very detailed and complex. The Red-Bag software engineers together with engineers of Gasunie followed the course of flange management at Dijkgraaf-Support B.V. The images give an overview of the practical exercises supporting the theory as presented in the class room.