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Sofis valve operation Sofis valve operation
  • Home
  • Products
    • Smith interlocks
    • Netherlocks interlocks
    • Ellis interlocks
    • Key Management System
    • EasiDrive portable actuator
    • Power Wrench portable actuator
    • FlexiDrive remote operator
    • VPI position indicator
    • SiLoC silo loading & unloading
  • Services
  • Solutions
    • Enforce safe valve operation
    • Monitor manual valve positions
    • Operate manual valves quickly
    • Operate manual valves remotely
    • Ensure integrity of critical safety systems
    • Ensure operational efficiency
    • Mitigate effects of human error
  • Applications
  • Industries
  • Customer stories
  • About us
    • Sustainability
    • Certification
    • Sofis: The safest choice
    • Our heritage
    • Vacancies
    • Internships
  • News
    • Download brochures & application notes
    • Sofis Connect newsletter
    • View product videos
  • Contact
Jan 09

Bulk handling system prevents contamination

Sofis valve operation has installed a safety system for bulk handling at logistics company Limpens Elsloo. The system prevents contamination due to incorrect filling of silos. Thanks to the smart key system, Limpens Elsloo can now rest assured that no errors will be made when filling and emptying over 100... read more →
  • 9 January 2017
  • Safe valve operation, Valve position monitoring
Dec 21
Valve interlock for pigging closure door

Fatal incident stresses importance of eliminating human error on pigging operations

A fatal incident on June 25th 2012 at a production facility of one of the globally leading oil companies in the United States proves the need for guaranteeing safe pigging operations. During a preparation of a pipeline inspection using a pigging operation, a temporary pig launcher that was attached to... read more →
  • 21 December 2016
  • Safe valve operation
Dec 21
Valve interlocks on quarter turn valves

How to prevent accidents on start-ups and shut-downs?

The proposed changes to the BSEE’s SEMS (Safety and Environmental Management System) summed up in the new SEMS II rule have been a major topic of discussion in the US offshore industry. As a response to the oil spills and accidents that have occurred in recent history, the new revisions... read more →
  • 21 December 2016
  • Safe valve operation
Dec 21
Installation of a valve interlock on a manual valve

Valve interlock installation training saves time

As part of the Sofis installation and engineering support programs, Sofis offers various practical training courses. These courses enable valve technicians to train basic skills on installing, setting and troubleshooting valve interlocks. The ‘advanced interlock technician training’ is particularly beneficial to offshore facilities; small and relatively simple adjustments and repairs can be... read more →
  • 21 December 2016
  • Safe valve operation
Dec 21
Ket cabinet for valve interlocks

New key management solution for oil and gas company

For a multinational oil and gas company in Norway, Sofis recently designed a key management solution. The design includes an integrated PC, software and touch screen and allows for easy logging and authorization of the use of your interlocking keys. It also offers operators detailed interlock information and provides insight... read more →
  • 21 December 2016
  • News, Safe valve operation
Dec 20
Valve interlock installed on a manual valve

Local approach to valve interlocks maintenance increases process uptime

Sofis agent in South Africa, Zonke Engineering Ltd, adopts a local approach to service support, in line with the Sofis strategy to increase its local presence. Within this approach, one of their major clients is offered a made to measure mechanical valve interlock maintenance contract. This contract offers flexibility and allows minimizing... read more →
  • 20 December 2016
  • News, Safe valve operation
Dec 11
Operators at Shin-Etsu Rotterdam use valve interlocks

Shin-Etsu replaces valve lockout devices with Netherlocks interlocks

As part of an overhaul operation of one of its plants, Dutch-based Shin-Etsu PVC, part of Shin-Etsu Chemical Ltd., recently replaced all refrigeration compressors using freon with compressors using propylene in their Botlek plant. The pressure safety valves (PSV's) on these compressors were safeguarded by valve lockout systems. Michel Immerzeel,... read more →
  • 11 December 2016
  • Customer stories, News, Safe valve operation
Nov 28
Custom build valve operating panel for enhanced safety and efficiency

Sofis builds valve operating panel to enhance safety and efficiency

Oil & gas company Eni Norge approached valve operations specialist Sofis to help simplify its valve processes on the Goliat Field oilfield. Sofis provided a solution by developing a custom-built valve operating panel that enhances safety and increases efficiency. It does this by moving the control and operation of Eni Norge’s... read more →
  • 28 November 2016
  • News, Safe valve operation
Nov 28

Smith Flow Control and Netherlocks Safety Systems unite

Smith Flow Control and Netherlocks Safety Systems announce their merger, effective April 4th, to create a global market leader in process valve safety and operation, with the new business operating under a single board of directors. Both the interlock brands (Smith Flow Control and Netherlocks) will continue to be used... read more →
  • 28 November 2016
  • News
Nov 28
Partial stroke test device reveals hidden ESD failures

Mechanical partial stroke test reveals hidden ESD valve failures

An Antwerp based leading global synthetics company uses partial stroke testing to test the availability of some of their most critical ESD valves. Remarkably, they found that some valves that performed spotless in full stroke tests during stops, turned out to be stuck during live process. Without mechanical partial stroke... read more →
  • 28 November 2016
  • News
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About us

Sofis is a manufacturer of valve operation systems such as mechanical valve interlocks, portable actuators and valve position indicators. We are the world’s largest interlock manufacturer, providing bespoke design solutions that protect people and property throughout the world. We create smart valve solutions that improve process and operator safety to protect people and the planet.

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