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ARTICLE
Control cabinet
23 January 2013
As part of the Nordstream pipeline project, Netherlocks has provided an electro-mechanical control cabinet in combination with an interlocking system for the pigging process. A custom, explosion-proof and climate contro

As part of the Nordstream pipeline
project, Netherlocks has provided an
electro-mechanical control cabinet in
combination with an interlocking
system for the pigging process. A
custom, explosion-proof and climate
controlled control cabinet was
designed and manufactured in close
co-operation with Siemens AG.
A complex dangerous process, Pigging can be made safer using mechanical interlocks. However, a standard interlocking system typically does not include monitoring, is not linked to the various pressure levels, and would not include the facility for remote operation of MOVs (Motor Operated Valves).
The Netherlocks control cabinet combines all these aspects into one unit: remote MOV operation controls are included, and correct pressure and position of MOVs are conditional requirements to release the keys for each stage of the process.
A complex dangerous process, Pigging can be made safer using mechanical interlocks. However, a standard interlocking system typically does not include monitoring, is not linked to the various pressure levels, and would not include the facility for remote operation of MOVs (Motor Operated Valves).
The Netherlocks control cabinet combines all these aspects into one unit: remote MOV operation controls are included, and correct pressure and position of MOVs are conditional requirements to release the keys for each stage of the process.
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