Category: Ex personnel competency

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

A possible ignition source: your shoes in potential hazardous environment

#exprofessional

Atmospheric air usually always contains a certain amount of dust. Virtually dust-free

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

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

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

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

Fire protection Evacuation Heat and smoke protection Ensuring the conditions for the

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

One manufacturer and one client’s comm I have been involved in… Written

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

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

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

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

Check how many you have in your kitchen – LEL is 250

What we really look for in terms of Ex inspection? Compliance to

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:

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

Only one adapter shall be used with one entry. A blanking element

A flexible intermediate bulk container (FIBC), bulk bag, or big bag, is

all who apply for any electrical/non-electrical project in any potential hazardous industry

at one power station based on biomass the enduser reported that even

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