On August 20, 2011, the US military investigated the crash of a Global Hawk RQ-4 Air Force Drone outside Kandahar, Afghanistan. The report concluded that the cause of the crash was a mis-tightened bolt. This cost them a total of 74 million USD. On August 20, 2011...
When looking for a hydraulic cylinder, there are hundreds of different ones to choose from. That's why Enerpac has put together a list of 10 different cylinders that are top sellers in the system globally. Tonnage, stroke and height - is it...
There are several different elements that determine whether a new flange connection will be both secure and leak-free. One of the most important elements in ensuring this is the sequence of bolt tightening. For a new bolt puller, this may seem very easy to figure out. What...
Which tool is «best»? The simple and short answer is, it depends on where you intend to use the tool. In this article, we’ll take a look at some of the key areas and compare both types. Experienced bolt pullers are aware of the difference, the advantages, and...
With repeated use and over time, the hydraulic oil in tools will break down and become less effective. This is a normal process and occurs for a number of reasons. The higher the pressure in a hydraulic system, the more the oil will be compressed and broken down. The most common cause...
kNm Hydraulikk is approved to hold courses in Flange work NS-EN 1591-4kNm Hydraulikk offers courses in flange work in accordance with NS-EN-1591-4 (formerly Norwegian Oil and Gas and OLF guideline 118). The course increases competence and provides basic knowledge within...
What happens inside a hydraulic torque tool and how do they work? In this article we provide a simple overview of how both low-profile and square-drive hydraulic tools work. Pumps for hydraulic torque tools must be set to the pressure required...
