News

Pentair expands ZONEX Enclosures

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ZONEX hinge-cover and screw-cover enclosures are designed for hazardous applications as defined by the ATEX Directive 94/9/EC in Zone 1 and Zone 2 rated areas.

Less Bang for the Buck

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Control Design, March 2012
By Walt Boyes
In the past few years, the proliferation of field devices, standards and nomenclature for explosion safety globally have produced a large and wonderful kettle of alphabet soup. Ex, ATEX, Class I, NFPA, explosion-proof. It's amazing that anyone can follow it all.

The FMEA method

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InTech, April 2012
By William Goble, Exida
A Failure Mode and Effects Analysis (FMEA) is commonly used to do safety integrity calculations and detect unrecognized design problems. The method is systematic, effective, and detailed, although sometimes called time-consuming and repetitive.

Paul Gruhn to present keynote address at Instrumentation Symposium

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Process safety expert Paul Gruhn will deliver a keynote address at the 58th Annual International Instrumentation Symposium (IIS) on Wednesday, 6 June 2012, in La Jolla, California, USA.

Integrated DCS and SIS

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InTech, April 2012
By Johan School and Erik de Groot
Today, advanced digital technology has made it feasible to combine process control and safety instrumented functions within a common automation infrastructure - all while ensuring regulatory compliance.

Ensuring safety in process design and operation

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InTech, April 2012
By Steve Blair, Spectris
Manufacturers of instrumentation and control are increasingly integrating the safety requirements of their customers into their products and long-term support. Manufacturers and suppliers are more aware of what the effects of failure will be on their systems so they are now required to participate more closely in HAZOP studies.

Using alarm suppression

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InTech, April 2012
By Charlie Fialkowki, Siemens Industry
Alarm suppression, defined as preventing indication of the alarm to the operator when the base alarm condition is present, is a useful function for helping to ensure that operators are not presented with alarms unless they are relevant.

Safety solutions for new power plant unit

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Control Engineering Europe, March 2012
Safety systems supplied by HIMA Paul Hildebrandt are helping to ensure boiler protection and burner control in a lignite-fired power station operated by Vattenfall Europe Generation.

Control panel design: Easier access

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Control Engineering, April 2012
By Lynne Keener, Mencom
Panel interface connectors (PICs) or access ports enable a user to test and maintain equipment without opening the panel. This arc mitigation solution alleviates the need for personal protection equipment (PPE) and the need for a trained electrician to de-energize the system.

What is the Condition of Your Insulator?

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Transmission & Distribution, March 2012
By Andrew Phillips, EPRI, et al
Hot-stick tool identifies high-risk composite insulators prior to live work. An essential requirement for ensuring worker safety when performing live work with transmission composite insulators is to confirm both the electrical and mechanical integrity of installed polymer units as well as any replacement units.