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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

About globalizeme

NordStream pipeline pigging uses an integrated control system designed by Sofis

NordStream is reliant on its control room in Switzerland to monitor and control pig launching operations across their German and Russian pigging stations. To guarantee safe pigging procedures, the Swiss... read more →
  • 18 October 2018
  • Customer stories, News, Safe valve operation
Tank storage facility

One month countdown to ILTA, Houston, 11-13 June

In exactly one month’s, we time take to floor at ILTA trade show (International Liquid Terminals Association). At stand 973, we will be showing how it is possible to bridge... read more →
  • 16 May 2018
  • News
Tanker loading in harbour

We all know the costs of contamination

One of the biggest challenges our tank terminal operators face, is the risks associated with their valve line-ups. It is not unusual to hear of terminals contending with 1 or... read more →
  • 4 April 2018
  • News
Tanker loading oil at a tank terminal

How a leading tank storage company avoids product contamination during cargo loading

In the tank storage industry, product contamination resulting from product transfer is an obvious risk. Costs related to clean-up, product loss, waste disposal and reputational damage easily mount up to hundreds of thousands... read more →
  • 13 November 2017
  • Customer stories, News, Safe valve operation
Valve interlocks are used to safeguard safe boiler blow down procedures

Enforcing safe valve operations in boiler blow-down procedures

For efficient operation of boilers, frequent ‘bottom blow-down’ procedures are required to help remove sludge deposits from within the vessel. Sludge may form from dirt in the water supply or... read more →
  • 6 November 2017
  • Safe valve operation
Valve interlocks are used to secure safe ethylene cracking.

Securing safe ethylene production with the use of valve interlocks

Ethylene production is an inherently complex and dangerous process, particularly when considering the operation of valves and/or line blinds around a cracking furnace. The incorrect operation of the controls to... read more →
  • 6 November 2017
  • Safe valve operation
Valve interlocks on pressure safety valves

Safety Relief Systems; securing an open path to relief at all times

An open path to relief must be maintained on Safety Relief Systems at all times during work exercises. A spare relief capacity, enables continuous production while maintenance procedures take place,... read more →
  • 6 November 2017
  • Safe valve operation
Valve interlock start key release is based on key detection and compressor inputs

Valve interlock key panel for SBM releases start key based on key detection and compressor input

SBM reaches new levels of pigging safety using valve interlocks managed by a sequence control panel. This electronic panel manages start key release, based on compressor input signals and key... read more →
  • 9 October 2017
  • Safe valve operation
Sofis supplied valve interlocks for the Lower Fars project

Sofis to supply 4,500 valve interlocks for Kuwait Oil Company

Sofis is to supply 4,500 valve interlocks to an EPC contractor delivering the first phase of a heavy oil development programme for the Kuwait Oil Company (KOC). The interlocks will... read more →
  • 22 September 2017
  • Company, News
How to open a Netherlocks interlock locked open valve

How to operate a locked-open valve and a locked-closed valve

In order to operate a valve equipped with a Netherlocks interlock from a locked-open to a locked-closed position, you first need the 'open' key for that particular valve interlock. The... read more →
  • 8 September 2017
  • Safe valve operation
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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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