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Blog

Efficient gas leak detection via E-Scooter

14. November 2022

Efficient gas leak detection via E-Scooter

The pipeline-based supply of natural gas in Germany is currently facing a massive upheaval, which is accompanied by major challenges. The Russian aggressive war against Ukraine has massively accelerated the efforts to make the gas and energy supply more independent. However, even before the war,...

Reading time: 4 min

Author: Markus Seelmeyer

Changes W 400-2 (Status 2022) – The innovations of the individual pressure test methods

06. September 2022

Changes W 400-2 (Status 2022) – The innovations of the individual pressure test methods

In the first blog post in the series Changes W 400-2, we dealt with the new requirements for personnel and measurement technology. In this blog post, we show what changes there are specifically for the different pressure test methods. Accelerated Standard Procedure (ASP) The accelerated standard...

Reading time: 11 min

Author: Dr. Johannes Hopster

Changes DVGW worksheet W 400-2 (status 2022)

31. August 2022

Changes DVGW worksheet W 400-2 (status 2022)

One of the most important sets of rules and regulations in the field of pressure testing in Germany receives an update. DVGW worksheet W 400-2 (latest version from 2004) contains technical rules for water distribution systems, especially with regard to construction and testing. Established...

Reading time: 5 min

Author: Dr. Johannes Hopster

District heating FW 602 – test methods

District heating FW 602 – test methods

To ensure the long-term security and economic operation of district heating networks, the AGFW (Association of Energy Efficiency Companies for Heating, Cooling and CHP in Germany), has created its own set of rules, worksheet AGFW FW 602, in which the various test procedures for medium pipes to...

Reading time: 6 min

Author: Dr. Johannes Hopster

District heating FW 602

District heating FW 602

In times of climate crises, energy shortages and exploding energy costs, “district heating” is gaining immense importance as a heat supplier. District heating refers to the direct supply of end customers, e.g. the supply of heat to single-family homes via district heating pipelines....

Reading time: 4 min

Author: Dr. Johannes Hopster

Verifying the absence of air during pressure tests

Verifying the absence of air during pressure tests

Pressure tests are an essential component in the field of pipeline construction. With the use of a pressure test, the proper execution of the installation of all pipeline parts and ultimately the tightness of the pipeline is determined. Without a successful pressure test, no newly laid pipeline...

Reading time: 6 min

Author: Dr. Johannes Hopster

Reduction of methane emissions in the gas distribution network through the use of a mobile gas flare

Reduction of methane emissions in the gas distribution network through the use of a mobile gas flare

Climate protection and climate neutrality are probably the greatest challenges of our time. Since the beginning of industrialisation, global warming, caused by the greenhouse effect, has affected people and the environment in many different ways. The main causes of this are emissions of greenhouse...

Reading time: 9 min

Author: Dr. Johannes Hopster

Calibration and Adjustment

23. February 2022

Calibration and Adjustment

What does adjustment mean and what is calibration? What is the difference? What is a bump test? Why do sensors need to be checked regularly? Gas sensors lose sensitivity in the course of their life. Depending on the operating principle, this varies greatly for the respective sensors used. The...

Reading time: 6 min

Author: Lea Schwenen

Advantages of a pressure test for cable conduits in the area of fibre optic installation according to ZTV TKNetz 40

31. January 2022

Advantages of a pressure test for cable conduits in the area of fibre optic installation according to ZTV TKNetz 40

Fibre optic cables stand for the digital future like no other telecommunications technology. So far, the expansion of fibre optic infrastructure in Germany has been slow, partly because the cost of laying the lines is relatively high compared to copper-based lines. In addition, technical...

Reading time: 7 min

Author: Dr. Johannes Hopster