Call directly: +31 (0)172 471339
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
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
Nov 28
Valve postion indicator for gate and globe valves

To better solutions for valve position indicating

In the process industry, awareness of the valve status is essential to avoid injury and equipment damage. A market research conducted by Sofis reveals that many companies apply self-made or ‘bracket type’ solutions for valve position indicating. They often experience serious issues with the use of these kinds of solution.... read more →
  • 28 November 2020
  • Valve position monitoring
Nov 28
Service engineers installing valve interlocks

The #10 factors that determine a successful installation of valve interlocks

Mounting a single valve interlock is relatively easy from a technical point of view. However, when installing large quantities of interlocking systems for a single project, the execution of such a project could be complex. Construction teams that lack appropriate experience with handling large interlock installation jobs often waste time... read more →
  • 28 November 2020
  • Safe valve operation
May 20
Operator inserts key in a valve interlock

New Smith and Netherlocks interlocks Quick Fix Guides now available

Following the success of the Netherlocks interlocks Quick Fix Guide, we recently produced the Smith interlocks Quick Fix Guide. Both guides can now be downloaded in the download section of this website. The Quick Fix Guides are reference guides, and help to better understand the basic functionality of both Netherlocks... read more →
  • 20 May 2020
  • News, Safe valve operation
Mar 25
Valve interlock installation

Sofis and partners install more than 1500 interlocks

For one of its customers's projects, Sofis was asked supply installation support, initially for measuring, installing and commissioning more than 1500 Netherlocks interlocks. In the end, Sofis supplied 1610 Netherlocks interlocks and 8 Smith interlocks. For 99%, the interlocks were installed on pressure relief valves (PSV). The entire process was... read more →
  • 25 March 2020
  • Safe valve operation
Mar 18

Covid-19 update

Update March 18, 2020 In order to protect our staff and customers and help to avoid further spreading of the COVID-19 virus, we have put various measures in place. These measures balance the safety of our customers and employees and sustaining our business. We are restricting any form of unnecessary... read more →
  • 18 March 2020
  • Company, News
Feb 18
Operating heavy manual valves is time consuming

Health and safety in valve operations – Human Factors Engineering (HFE)

Major global operating companies are progressively adopting the human factors engineering (HFE) discipline to ensure quality, safety, and fit-for-purpose equipment and facilities. Human factors are all those considerations that enhance or improve human performance in the workplace and negate the possibility of human error. HFE is the design of work... read more →
  • 18 February 2020
  • Safe valve operation
Jul 24
Valve line-up during tanker loading

This tank storage leader avoids contamination with locks and a smart key cabinet

Operators performed line-ups by manually operating valves and based on... read more →
  • 24 July 2019
  • Customer stories, News
Jul 09
Tanker being loaded in harbour

Growing terminal throughput with faster line-ups

[minti_boxedholder padding="20px... read more →
  • 9 July 2019
  • News
May 07
Sofis interns working on new customer applications

Internships

Sofis is part of the 'Process Safety' division of Halma Plc, an FTSE 100 company, which is an organization with 50 companies and 5,000 employees worldwide. Sofis is based in Alphen aan den Rijn and has the two market-leading brands of Netherlocks interlocks and Smith interlocks, which contain a range... read more →
  • 7 May 2019
  • News
Mar 06
Tanker loading area in harbour

Increase throughput of your manually operated terminals

To meet increasingly strict customer requirements, terminals are upgrading their operations. However, most terminals rely on slow, error-prone manual valve operations. These days, manual operations can be significantly accelerated and secured, without complete automation of all valve operations. Many terminals have low automation grades About a third of the almost... read more →
  • 6 March 2019
  • News
  • 1
  • ...
  • 6
  • 7
  • 8
  • 9
  • 10
  • ...
  • 12

« Previous Page — Next Page »

Search

Categories

  • Company (22)
  • Customer stories (31)
  • Fast manual valve operation (11)
  • News (65)
  • Remote manual valve operation (10)
  • Safe valve operation (60)
  • Valve position monitoring (11)

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.

halma PLC

Support

Get direct support
Product and application brochures
Sofis Connect newsletter signup Certification
Terms and conditions
Privacy Statement
Sofis China website

Contact us

Our global offices
Our partner companies
Call us: +31 (0)172 471339
Mail us: marketing@sofisglobal.com

Solutions

Enforce safe valve operations
Monitor manual valve positions
Operate manual valves quickly
Operate manual valves remotely
Safe MOV testing & maintenance
Copyright © 2006 - 2025 Sofis valve operation. All rights reserved.