H2 goes commercial
The flammability range of hydrogen-air mixture is stated to be from 4 % (LEL)
The flammability range of hydrogen-air mixture is stated to be from 4 % (LEL)
“Openings in walls for cables and conduits between different hazardous areas and
…normal operation with worst conditions. iec 60079-10-1 says: “Catastrophic failures As far
Have you ever realized the fact that Ex safety is a point
A protection or communication device like thermal relay or zener barriere installed
HAC stands for hazardous area classification and can be made on 2
The car goes from the fact that the petrol has a series
EPD or any Ex compliance report has a significant impact for Hazop / FMEA meetings. In process safety related meetings, the Ex equipment compliance should always be questioned.
#exprofessional
A possible ignition source: your shoes in potential hazardous environment
#exprofessional
Atmospheric air usually always contains a certain amount of dust. Virtually dust-free
ATEX – expected failure – HAZOP – deviation leading to an event…
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Hydrogen is easy to transport easy in long-distance and can be transported
Is there any difference if it comes from an Ex repair facility
So we shall consider it. An interesting case is the reflection of
According to IECEX we do assess and certify Ex assemblies based on
Whenever you buy an installation, E.g a television, you install it, and
What is your word for hazardous area compliance – explosion protection with
Do you know it all? Pmax This is a measure of the
Do you know it all? Kst This is the maximum rate of
Do you know it all? Concentration The concentration of the fuel (dust)
A very interesting reading about hydrogen and more. Even in terms of
Cable routing should be arranged in such a way that the cables
EPD stands for explosion protection documentation and has been defined under ATEX
Explosion protection is an interesting sbj for all regions E.g like hydrogen
The Beirut— capital of Lebanon — explosion, which killed more than two hundred people,
Ex personnel competency training (EPCT) is a type of further education. You
in many works we do see proposals, like earthing protection shall be
Grades of release (or types of source) Three grades of release 3
Shall is to be understood as mandatory. Deviating from a “shall” statement
recently the subject explosion protection has become popular. all talking about, expressing
Identify potential ignition sources which are effective or can become effective in
Repair of gas fueling equipment for gas vehicles a) General conditions: (aa)
There are outcomes of site inspections. How you classify them? All are
It has been demonstrated experimentally and numerically that accidental releases of pressurised
Quality at work — the desire, not just to defend minimum standards,
It is useful for the Ex marking to be visible after installation
Many say that inspection shall happen every 36 months for fix installations,
Those responsible for operating plants and processes where potentially explosive atmospheres exist
Can we trust in a system which is not complete? HAC is
General obligations To ensure the safety and health of workers, and in
Interestingly more and more have started to communicate the importance of Ex.
and it is a good option for the industry we are involved
Keep up good work! Arpadveress@exprofessional.comexprofessional.com
R290 cooling solutions, they use propane. Propane is a hazardous substance. IIA
Fire protection Evacuation Heat and smoke protection Ensuring the conditions for the
I have tried a little to get a look at what happened
It shall start with understanding of scope related to hazardous area compliance…
It can be used where equipment in a room shall be protected.
PPE for use in potentially explosive atmospheres PPE intended for use in
Paper is combustible and easily ignitable when finely divided; all that is
One manufacturer and one client’s comm I have been involved in… Written
Ambient temperature range Ex manufacturers apply -20°C to + 40°C as a
Considering any industry site there are 3 basic frameworks: – work-, –
The marking of combined products (assemblies) is identical to the marking of
Questions here: – shall it be Ex certified? – what about older
all which meet the requirements of the partners. like IEC (and similar)
An engineer With relevant experience of explosion protection Electrical Mechanical Proven records
An electrical / non.electrical equipment, within the operational parameters specified by the
competenceability to apply knowledge and skills to achieve intended results Ex competent
Many say that any Ex personnel competency training shall be contact one,
A paper manufacturing facility has many hazards that must be considered in
Natural gas has no odor of its own. That’s why gas companies
HAC stands for hazardous area classification. EN IEC 60079-10-1 goes for gas
A robbanásbiztos berendezés robbanásbiztonság-technikai megfelelése annak teljes egészére vonatkozik, beleértve a tömszelencét
Question How should equipment be marked with new Type of Protection designations
Education is important, so it is Ex personnel competency. Our weekly ExWebinars
Hydrogen The flammable range of hydrogen in air is between 4 %
In my earlier post I have listed questions: https://exprofessional.com/2020/03/01/ex-actual-questions/?preview=true&frame-nonce=313d76b9ca. One of them
Any Ex non-electrical machine that needs to be compliant with the ATEX
All we have to listen to all around. Questions sure we have
China – CNEx certification is required in order to gain access for
How do you do Ex compliance check on Ex non.electrical installation? Do
§228 ExplosionThe requirement set out in the first paragraph of section 1.5.7
Main topic here what is required by countries’ legislation and/or client’s inhouse
26.5.1.1 General Add the following new text after Note 1 of 26.5.1.1:
IEC TS 60079-42:2019 Explosive atmospheres – Part 42: Electrical safety devices for
Since 30 06 2003 If you ever do any site check, and
Glossary • Approved Bodies – A conformity assessment body which has been
Check how many you have in your kitchen – LEL is 250
What we really look for in terms of Ex inspection? Compliance to
Source: academia Alone ignition source, fuel, and oxygen at the same time
For “ia” and “ib” all current-limiting devices external to the cell or
Many thanks to all following the posts at exprofessional.com. We do hope
Just received a question again: what is the difference here? ATEX version
Those responsible for operating plants and processes where potentially explosive atmospheres exist
Background Installing the correct equipment in locations where there is potential for
Upon completion of services stage 1, the Subcontractor shall submit the report
Be careful, not always true what you are introduced to… It happened
…on the basis of a given methodology with at least the following
To document the classification of potentially explosive atmospheres into an explosive zone
Considering the somewhat obscure nature of many of the requirements of 60079
Keep up good work! Arpad exprofessional.com veress@exprofessional.com
As a result of friction, impact or abrasion processes such as grinding,
More and more companies in the US seem to adopt IECEx procedures
No, when used in an intrinsic safe system together with e.g. a
The Committee 235 “Erection of electrical equipment in potentially explosive atmospheres” of
Due to the nature of the risk assessment procedure, there are always
One does Ex inspection on site. There might be of various scenarios.
Many say a hazardous area industry site inspection (even if detailed –
What happened? What was source of ignition? Lack of competence? Whose competence
And fog will occur with every flange injury because, due to the
All covering Ex issues on site or related to shall be Ex
Temperature Codes (T-Codes) The ignition temperature or auto-ignition temperature (AIT) is the
All around the globe the different training organizations focus on individuals. By
With regards a to a previous post many asked what is Ex
In 1907, Francis Bushong cut a hole in the bark of an
It’s bad enough to be burned in business figuratively, by poorly designed
Lesson learned First responders were dispatched to the waterfront area to investigate
Whenever you are involved in a Ex compliance project of possible hazardous
There is a study about global warming and all possible emmission sources.
Throughout any Ex inspection campaign non-compliant issues are going to be found.
Throughout any inspection campaign non-compliant issues are going to be found. Here
Just found one company providing a list of references, where they were
We all take the one responsibility of Ex hazardous area compliance if
There is a company providing Ex services. They do follow the standard:
Many people don’t know that the Annexes to these Standards (IEC 60079-14,
If you visit the homepage of ATEX, you may find one very
13. Additionally, the present document is based on the life-cycle approach, which
Let me give you an example. ATEX 137 – Directive 99/92/EC –
My Ex personnel competence as an Ex manufacturer shall be measured by
One environment can be hazardous but not explosion-proof. One installation can be
Electrical resistance trace heating systems construction principle “Controlled design” according to EN
Only one adapter shall be used with one entry. A blanking element
A flexible intermediate bulk container (FIBC), bulk bag, or big bag, is
a new trend has been introduced here: how we do Ex…! it
all who apply for any electrical/non-electrical project in any potential hazardous industry
Items of personal equipment which are battery or solar operated are sometimes
at one power station based on biomass the enduser reported that even
Explosion protection / hazardous area compliance is a must have action prior
what is the meaning here and why important in terms of Ex
Fires and explosions at worksites with hazardous chemicals have the potential to
Be careful with the design of any electrical and non-electrical Ex installation,
ISO 17024 says the following: 5.2.1 Completion of training may be a
“With the approval of acceptable to the authority having jurisdiction.” According to
There shall be proof of evidence for any Ex personnel competency (EPC).
Any Ex personnel competency shall be refreshed within maximum 5 years. If
it is good to see what others doing – link keep up
no comment! keep up good work! Arpad exprofessional.com
I have just been told about one very kind misinterpretation of a
21/2010 NFGM decree defines it. 3 levels** of Ex personnel competency exist:
2017 I started the blog to highlight all possible issues refering industrial
Are there any differences regarding Ex personnel competency on worldwide level? Hydrogen
competent body (IEC 60079-0) individual or organization which can demonstrate appropriate technical
on a conference I had the opportunity to highlight various topics from
The Owner’s Engineer (OE): Support for Your Project Every kind of project
electrical and non-electrical explosion protection coming together. if you look at all
As I finished my university studies I was told now I at
Shall the sourcing department of any Ex industry be Ex competent or
Each training (but projects too) shall begin with definitions. Common understanding is
3. The entity or the person using the product shall be responsible
Competence = Application of knowledge and skills to the standards of performance
In case you are an Ex product manufacturer ISO 9001:2015 applies with
Many people don’t know that the Annexes to the Standards (IEC 60079-14/-17
Many on the road who have many years of experience about industrial
Competence of personnel (dust hazardous area classification) The area classification should be
Employers should have a competence assurance strategy and procedures including continuing appraisal
It often goes forgotten that any Ex personnel competency training is a
Many of the cases an Ex technician and an Ex supervisor is
Ex Owner’s Engineer (ExOE) Owner’s Engineer, also known as the Client’s Engineer,
Since the early 1990s industries have expressed the need for an internationally
Ex basics shall be there for all being related to hazardous area
Operatives/technicians shall be able to demonstrate their competency and provide evidence of
Ex inspection is not an independent personnel competency. It is part of
Responsible persons shall be able to demonstrate their competency and provide evidence
Appropriate continuing education and training shall be undertaken by Ex personnel on
The design of the installation, the selection of equipment and the erection
Proven Ex personnel competency does not come only with participation at any
We have created something new – ExAM. No, it is not new
As a teacher I always had in my mind to introduce all
Following report has been generated here: “FIREMEN and paramedics have rushed to
For Ex we do have IEC 60079-19.
Not any fancy paper counts, but the knowledge! But paper proves identity,
Minimum competencies: General: Detailed knowledge of explosion protection (gas / dust) Operative
Recently Explosion protection – Hazardous Area Compliance – Ex personnel competencies all
See what IEC 60079-14 – Annex A (normative): Knowledge, skills and competencies
merry christmas to all my fellow folks enjoying the being in the