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Category: Chemicals and biocides bulletin

Safety notice – Use of barrier glands in potentially explosive atmospheres to meet IEC 60079-14:2013 (edition 5)

Tuesday, February 2, 2016

The current International Standard allows the use of a ‘standard’ Ex certified flameproof gland as opposed to a Ex certified ‘barrier gland’ without the requirement to apply the previous flowchart used in the British Standard. There is evidence this approach creates a fire and explosion risk. This notice provides information on what action to take.

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Safety alert – Catastrophic failure of a pipework clamp connector

Monday, September 21, 2015

This safety alert highlights the issue of inadequate material properties of small diameter clamp connectors and the potential for sudden brittle failure following an incident which occurred on an offshore production platform where a 1” diameter Vector ‘Techlok’ pipework clamp connector catastrophically failed causing a gas release.

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Safety alert – ‘Norfolk Range’ large wheeled dry powder fire extinguishers manufactured before 2009

Thursday, August 13, 2015

Norfolk Range large dry powder fire extinguishers, manufactured before 2009 by UK Fire International Ltd, may be affected by moisture ingress at a threaded joint at the base of the unit, rendering the unit inoperable.

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Safety alert – External chloride stress corrosion cracking of stainless steel Lokring pipe connectors

Thursday, April 16, 2015

This safety alert highlights the issue of chloride stress corrosion cracking which has been found to affect stainless steel Lokring pipe connectors, and advises on actions required.

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Safety notice – Chloride induced stress corrosion cracking of stainless steel thermowells

Tuesday, October 8, 2013

Thermowells can ‘breathe’ in atmospheric moisture; if the atmosphere contains halides and the thermowell is made from austenitic stainless steel then there is a probability that stress corrosion cracking will occur from the inside surface of the thermowell.

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Safety notice – Corrosion in trunnion supports of pipework containing hazardous substances

Tuesday, October 8, 2013

This safety notice describes the dangers of undetected corrosion in trunnion supports of pipework containing hazardous substances, in particular tubular trunnions fitted with an end cap, and the precautions necessary to ensure continued safe operation.

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Safety notice – Avoiding trapping/crushing injuries to people in the platform of mobile elevating work platforms (MEWPs)

Friday, July 16, 2010

More people die from falls at work than from any other cause. The use of mobile elevating work platforms/powered access equipment has been a major factor in the reduction in falls accidents.

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