NON-ELECTRICAL EQUIPMENTGUIDANCE FOR MANUFACTURERS AND END USERS

Gas Groups Gas Representative Group Test Gas I Methane (mining only) IIA Propane IIB Ethylene IIC Hydrogen

Gases are classified according to theignitability of gas-air mixture.Refer to IEC/EN 60079-20-1 for classificationof common gases and vapours.

Temperature Class T Class Maximum Surface Temperature T1 450C T2 300C T3 200C T4 135C T5 100C T6 85C

Standards

EN13463-1

EN13463-2

EN13463-3

EN13463-5

EN13463-6

EN13463-8

Conceptgeneral

requirements

flow restriction

flameproofconstructional

safetycontrol ofignitionsources

liquidimmersion

Code

fr

d

c

b

k

Zone

2221

211

211

21

121

SGS Baseefa Limited,Rockhead Business Park,Staden Lane,Buxton, SK17 9RZtel. +44 (0)1298 766600fax. +44 (0)1298 766601e-mail info@baseefa.com

ATEX Coding II 2 GD

EUExplosiveatmospheresymbol

Equipmentgroup

I - mining

II - non-mining

(*) = in presence of explosive atmosphere

EquipmentcategoryM1 - energisedM2 - de-energised (*)

1 - very high protection2 - high protection3 - normal protection

Gas Dust 0 20

1 21 2 22

Ingress Protection (IP)Hazardous area equipment typically requiresa minimum IP rating of IP54 but may beassessed and tested to the higher ratings below: DUST IP 5x - Dust protected IP 6x - Dust tight WATER Protected against: IP x4 - splashing water IP x5 - water jets IP x6 - powered water jets IP x7 - temporary immersion IP x8 - continuous immersionSee IEC/EN 60529 for full definition ofIP ratings

Mechanical Protection Concepts

EX

Manufacturers Nameand Address

Product Identification

Serial No. and (or inc.)Year of Manufacture

ATEX Notified BodyIdentification No.(Zone 0/20 only)

II 1GD IIC T4 ck

Baseefa10ATEX1111X

Gas GroupProtection ConceptTemperature Class

ATEX Coding

ATEX Certificate No.(or ManufacturersTechnical File No.)

Ambient Range1180

Tamb -30C to +50C

ABC EngineeringBuxton, SK17 9RZ, UK

Type xyz Pump2009 s/n 1234

Pub DS51 Issue 5, August 2013

Ignition Risk Assessment

raremalfunction

N/AN/A

*

expectedmalfunction

N/A

*

**

normaloperation

*

*

**

Category 3 Zone 2/22Category 2 Zone 1/21Category 1 Zone 0/20

* Describe the single measure applied to prevent the ignition source from becoming effective. Where appropriate refer to standards used and test reports which substantiate compliance with the standards

** Describe two independent measures used to prevent ignition source from becoming effective. Again refer to relevant standards and test reports.

N/A Need not be considered for this zone

Identify all potentialignition sources(see table below)

Which applyto your

product?Do they occur

during:

GAS Explosion Non-sparking Other materials Group metals (*) IIC 60 5 (hydrogen) 3 (hydrocarbons Category 1G including acetylene) IIB 125 10 IIA 125 20

IIC 125 10 Category 2G IIB 250 20 IIA 500 40

IIC 250 20 Category 3G IIB 500 40 IIA 500 80 DUST Category 1D 125 20 Category 2D 500 80 Category 3D (*) excluding materials specified in cl. 6.4.2.1 a) of EN13463-1: 2009

Single Impact Energy Limits (Nm)

Technical filecontents

General descriptionIgnition risk assessmentDesign and manufacturing drawingsDescription and explanation necessary to understand operation of productList of standards or other solutions to meet EHSRsCalculations and examinationsTest Results

Possible IgnitionSources

(list from EN 1127-1)Hot surfacesMechanical sparksFlames, hot gasesElectric sparksStray electric currents and Cathodic protectionStatic electricityLightningElectromagnetic wavesIonising radiationHigh frequency radiationUltrasonicsAdiabatic compressionChemical reaction

Minimum ATEX requirementsfor non-electrical products

Category 1Zone 0/20 N.B. certification and QA assessment

Category 2Zone 1/21 Manufacturers technical file lodged with N.B.

Category 3Zone 2/22 Manufacturer stores own technical file

N.B. = Notified Body

ATEX

ATEX and IECEx certification

IECEx Certificate of Personnel Competance

IEC 61508 certification

Quality system approval

Assistance with DSEAR (ATEX User Directive) Implementation

Training & Technical Advice

IECEx Service Facility Certification

Technical file storage

Testing

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