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SA Instrumentation & Control Buyers' Guide

Technews Industry Guide - IIoT 2018

Technews Industry Guide - Maintenance, Reliability & Asset Optimisation

 

From the editor's desk: Valve manufacturers drive new value through IIoT-enabled services
January 2019, News


Valve suppliers just joined the digital revolution in their quest to drive down total cost of ownership through performance-related monitoring solutions. What is surprising is that it took so long. After all, as final control elements, valves have earned a reputation as the ‘bad actor’ in many process control loops.

The problem is twofold. Firstly, the valve often operates unattended under extremely harsh process and ambient conditions with little (or often no) warning of problems that may be starting to appear. And secondly, the valve is often the last place anyone thinks to look, as when processes do become unstable, often the first ‘solution’ that comes to mind is that the loop needs re-tuning.

With the emergence of IIoT-enabled remote management platforms, process industry end-users can now begin to take advantage of the monitoring and analysis services provided by valve suppliers. In theory this was all possible before, but practically it was too expensive to commercialise because it involved close cooperation between the valve suppliers, IT service providers, analytics experts and the end-users themselves, who were often unwilling to make the raw process data available.

The recent advances in secure cloud-based IIoT platform offerings, along with wireless communication networks, Big Data analytic packages and advanced visualisation technology, has changed all that. But where does one start?

According to the ARC Advisory Group, end users are well advised to develop a phased approach, which includes measurable goals for each step in the process. To avoid getting caught up in the hype surrounding digital technologies, the first step should be to focus on an existing valve-related process problem that is negatively impacting day-to-day operations. Plant owners should begin by identifying their most critical assets that are prone to frequent instability or failure, and deploy feasible monitoring solutions for the valves in those crucial control loops. Severe service valves with their typically higher failure rates offer the most significant potential for cost saving, making them obvious candidates.

The latest generation of valve actuators make extremely accurate position sensing and direct measurement of valve stem travel and thrust possible. This data can be transmitted over a wireless or traditional fieldbus link, and because the information is directly measured and not interpolated, it is an ideal fit for asset management and predictive maintenance planning.

Leveraging the expertise that valve manufacturers have built up over decades just became more reachable than at any time in the past. Industrial facility operators can now have access to actionable control valve health information whenever and wherever they need it. The ARC Advisory Group’s David Clayton has more in ‘New performance management solutions for intelligent valves and pumps’.

Steven Meyer

Editor: SA Instrumentation & Control

steven&technews.co.za


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Further reading:

  • OPC Foundation announces new president
    January 2019, OPC Foundation (Africa), News
    The OPC Foundation has welcomed Stefan Hoppe as its next president and executive director. Hoppe is a long-standing member of the control automation industry and the OPC Foundation. As an electrical engineer, ...
  • Yokogawa joins strategic partnership to accelerate biotech
    January 2019, Yokogawa South Africa, News
    Yokogawa and AlgaEnergy, a Spanish biotechnology company specialising in the production and commercial applications of microalgae, have announced the signing of a strategic partnership and equity participation ...
  • ABB to enhance process and power management for Philippines petrochemical facility
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    One of the largest boiler inspections ever undertaken using drones in South Africa was recently completed by Skyriders on Unit 6 at Eskom’s Medupi Power Station. The project was distinguished by its sheer ...
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    The OPC Foundation has announced the launch of its new setup to identify OPC UA and related TSN-harmonisation needs and extends OPC Foundation standards and specifications. The goal of this initiative ...
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    Following the move of Rob Mackenzie to Endress+Hauser’s Swiss-based head office, the company recently announced its choice of Bernhard Klöss as the new managing director of southern African operations. ...
  • MESA celebrates tenth annual conference
    January 2019, MESA Africa NPC, News
    The Manufacturing Enterprise Solutions Association (MESA) recently celebrated the anniversary of its tenth annual conference at the Black Eagle Conference Centre in Ruimsig. This year’s theme was Smart ...
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  • New efforts bring hope for Industry 4.0-ready SA workforce
    January 2019, Reed Exhibitions, News
    Industry 4.0 is changing the face of manufacturing and industry around the world. Without a concerted effort to change industry processes and infrastructure, and upskill the workforce, South Africa risks ...
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