Technical Articles

Explosion protection meets machine safety - Safety switchgear for special requirements

Safety switching devices used in Ex zones have to meet two different sets of complex requirements: explosion protection and machine safety. Designers also have to choose between different types of construction and different active principles. This is true for both heavy-duty applications and machines used for the processing and packaging of e.g. (dust-)explosive foodstuffs.

Source: CITplus (03/2024)

pdf | 464 KB

Machine safety and Ex protection

Machines which are constructed for mechanical process engineering applications in explosive zones have to meet not one, but two demanding sets of rules and standards. They are – for good reason – subject to both machine safety requirements and explosion protection requirements. At the Powtech, steute will be showing switching devices for this special combination of demands – and presenting a new product.

Source: Technische Sicherheit 13 (07-08/2023)

pdf | 564 KB

Digitalisation of safety technologies

As digitalisation progresses, cybersecurity is a major topic of discussion, and rightly so. Safety technologies have also moved on considerably in the course of this development. Dipl.-Ing. Rainer Lumme, Product Manager Extreme at steute Technologies, explains the changes in an interview with Andreas Mühlbauer.

Source: INDUSTRIAL Production (10/2022)

pdf | 166 KB

Emergency pull-wire switch passes test in gravel plant

At a gravel plant in Vennebeck, gravel freshly extracted from the River Weser has to travel a considerable distance on conveyor belts from the floating-grab excavator to the processing and grading machinery. The responsible persons at the gravel plant are currently testing a new series of emergency pull-wire switches.

Source: GESTEINS Perspektiven (6/2022)

pdf | 913 KB

Explosion protection and plant safety: a two-fold challenge. Machine safety in special environments

Machine safety in explosive zones: switchgear required for this field must comply with two complex sets of regulations. Although this is a "niche within a niche", different options are still available when selecting safety switches and sensors. This is true for heavy-duty applications, but also for machines performing duties such as processing or packaging dust-explosive foodstuffs.

Source: Technische Sicherheit 12 (2022) Nr. 07-08

pdf | 498 KB

Spark-free wireless transmission - Switchgear for the oil & gas industry

Wireless switching devices are not yet widespread within the oil & gas industry. And yet wireless technology offers this sector some particular advantages – provided that explosion protection is guaranteed.

Source: Chemie Technik (04/2022)

pdf | 313 KB

More flexibility for bending processes

Optimising the combination of machine, automation and wireless technology means more flexibility for bending processes.

Source: BLECH (05/2021)

pdf | 448 KB

Wireless Ex switchgear: technology & application examples

Switches and sensors - free of cables in Ex zones: When Ex switches and sensors require no electrical cables and can transmit their signals beyond the Ex zone, then depending on the application in question the advantages can be considerable. More and more users are now opting for this technology – including and especially in sensitive application fields.

Source: Technische Sicherheit 11 (03-04/2021)

pdf | 505 KB

Under Pressure - Hanover Fair Digital Edition 2021

Adverse ambient conditions must be taken into account during the development of switching devices for extreme applications, and must also be tested as first prototypes are produced.

Source: Verfahrenstechnik (04/2021)

pdf | 459 KB

Safe loading of explosive gases - "Extreme" position switches in action

Emco Wheaton loading systems are used all around the world for the handling of large quantities of petrol, natural gas, liquid gas, chemicals, etc. The company, which is based in Kirchhain near Marburg, monitors the positions of its loading arms using Ex position switches which are reliable in the long term, even in subzero temperatures.

Source: Technische Logistik (07-08/2020)

pdf | 302 KB

Safely on and safely off! Position switches inside step treads of Bielefeld light railway

Position switches used to monitor the step treads of part of the light railway system in the city of Bielefeld were increasingly failing, making higher levels of maintenance necessary. The operator MoBiel started looking for an alternative solution – and found one very close by. Following a successful test phase, the trains are now being successively fitted with long-life position switches.

Source: messtec drives Automation (04/2020)

pdf | 395 KB

Extreme tests in real-life conditions

Various steute switchgear series are currently being tested in real-life conditions on the island of Helgoland. The results are used to improve the development of new product series.

Source: konstruktionspraxis (03/2020)

pdf | 192 KB