Atex Chart 6q2ns

APPARATUS GROUPS & TEMPERATURE CLASSES FOR COMMON FLAMMABLE MATERIALS Gas/Vapour

Temperature class

Apparatus group

T1 T1 T2 T1 T2 T3 T4 T2 T2 T3 T1 T3 T1 T2 T2 T1 T2 T2 T1 T1

llA llA llC llA llA llA llB llA llB IIA llC llA llA llA llB llA llB llA llA llA

Acetic acid Acetone Acetylene Ammonia Butane Cyclohexane Di-ethyl ether Ethanol (ethyl alcohol) Ethylene Gasoline (petrol) Hydrogen Kerosene Methane (natural gas) (non-mining) Methanol (methyl alcohol) Methyl ethyl ketone (MEK) Propane Propan-1-ol (n-propyl alcohol) Propan-2-ol (iso-propyl alcohol) Toluene Xylene

Dusts

450˚C 300˚C 200˚C 135˚C 100˚C 85˚C

T1 T2 T3 T4 T5 T6

>450 225 340 300 320 >450 (melts) >450 570 435 460

Need training on Ex disciplines? Sira offers courses covering all aspects of 'hazardous area' requirements. For more details, log on to www.siracertification.com SIRA ATEX CERTIFICATE NUMBER

TEMPERATURE CLASS (GROUP II) T Class

590 380 490 510 420 530 420 700 810 460 490

SIRA TRAINING

Combustive flyings Non-conductive dust Conductive dust

Maximum surface temperature

Layer

Aluminium Coal dust (lignite) Flour Grain dust Methyl cellulose Phenolic resin Polythene PVC Soot Starch Sugar

Dust Apparatus Groups IIIA IIIB IIIC

Typical Ignition Temperature (˚C) Cloud

SIRA

09

ATEX

1234

Serial number Reference to ATEX 95 directive Year of certification Name of notified body performing EC-type examination Suffixes: U – component certification X – special conditions for safe use apply

N.B. For Group I applications, apparatus has rigid 150˚C (coal dust) and 450˚C (methane) limits rather than T classes.

TYPICAL EQUIPMENT MARKING (ELECTRICAL EQUIPMENT)

IECEx licenced mark (IECEx only)

Apparatus Group and T Class

ATEX 100a Directive 94/9/EC

ATEX 137 99/92/EC & DSEAR

Sira Test & Certification Ltd

Tel: +44 (0) 1244 670 900 Fax: +44 (0) 1244 681 330 Email: [email protected] Website: www.siracertification.com

PROTECTION CONCEPTS Electrical

Symbol

Typical IEC EPL

Typical Zone(s)

IEC Standard (status at August 2009)

Basic concept of protection

Optical Radiation

Op pr Op sh Op is

Ga Gb Gc

0,1,2 0,1,2 0,1,2

IEC 60079-28 IEC 60079-28 IEC 60079-28

Inherently safe protected. Protected by shutdown

Increased safety Type ‘n’ (non-sparking)

e nA

Gb Gc

1,2 2

IEC 60079-7 IEC 60079-15

No arcs, sparks or hot surfaces. Enclosure IP54 or better

Flameproof Type ‘n’ (enclosed break)

d nC

Gb Gc

1,2 2

IEC 60079-1 IEC 60079-15

Contain the explosion, quench the flame

Quartz/sand filled

q

Gb

1,2

IEC 60079-5

Quench the flame

Intrinsic safety Intrinsic safety Intrinsic safety Type ‘n’ (energy limitation)

}

ia ib ic nL

Ga Gb Gc Gc

0,1,2 1,2 2 2

IEC 60079-11 IEC 60079-11 IEC 60079-11 IEC 60079-15

Limit the energy of sparks and surface temperatures

Pressurised (up to 2007) Pressurised Pressurised Pressurised Type ‘n’ (sealing & hermetic sealing) Type ‘n’ (restricted breathing) Type ‘n’ (simple pressurised) Encapsulation Encapsulation Oil immersion

p px py pz nC nR nZ ma mb o

Gb Gb Gb Gc Gc Gc Gc Ga Gb Gb

1,2 1,2 1,2 2 2 2 2 0,1,2 1,2 1,2

IEC 60079-2 IEC 60079-2 IEC 60079-2 IEC 60079-2 IEC 60079-15 IEC 60079-15 IEC 60079-15 IEC 60079-18 IEC 60079-18 IEC 60079-6

Keep the flammable gas out

Symbol

Typical IEC EPL

Typical Zone(s)

IEC Standard (status at August 2009)

Basic concept of protection

20, 21, 22

IEC 61241-1

Standard protection for dusts, rugged tight enclosure

21, 22

IEC 61241-11

Similar to t, but with some relaxations if circuit inside is intrinsically safe

22

IEC 61241-18

Protection by encapsulation of incendive parts

Dust Protection (Electrical) Enclosure

t

Intrinsic safety

i

Encapsulation

m

Pressurised

p

Db Dc

21, 22 22

IEC 61241-2

Protection by pressurisation of enclosure

Symbol

Typical IEC EPL

Possible Zone(s)

EN Standard (status at August 2009)

Basic concept of protection

General

-

-

0,1,2

EN 13463-1

Low potential energy

Flow restricted enclosure Flameproof enclosure

fr d

-

2 1,2

EN 13463-2 EN 13463-3

Relies on tight seals, closely matched ts and tough enclosures to restrict the breathing of the enclosure

Constructional safety

c

-

0,1,2

EN 13463-5

Ignition hazards eliminated by good engineering methods

Control of ignition sources

b

-

0,1,2

EN 13463-6

Control equipment fitted to detect malfunctions

Pressurisation

p

-

1,2

EN 13463-7

Enclosure is purged and pressurised to prevent ignition sources from arising

Liquid immersion

k

-

0,1,2

EN 13463-8

Enclosure uses liquid to prevent with explosive atmosphere

}{ Da Db Dc

Equipment Protection Level (EPL)

Name and address of manufacturer

Ex de IIB T4 Gb Ex Supplies Ltd Chester CH4 9JN United Kingdom

CE mark and number of notified body responsible for quality audit (ATEX only - CAT 1 & 2 electrical, CAT 1 non-electrical)

o

Ambient Temperature

o

Ta = -20 C to +60 C

0518

(-20˚C to +40˚C if not marked)

SIRA 09ATEX1234

Floodlight P7

Certificate number (IECEx only)

2009 Sn 0001 Year of manufacture and serial number

Specific marking of explosion protection (ATEX only)

Equipment Group and Category

Non-electrical

Certificate number (ATEX only)

IECEx SIR 09.0788

II 2 G D

Series or type designation

Protection Concept(s)

Ex tb IIIC T135oC Db IP66

Type of explosive atmosphere G - gases, vapours or mists, D - dust

CONTENTS OF AN ATEX TECHNICAL FILE

Technical file reference

Ex Supplies Ltd, Chester CH4 9JN Scirocco Mk II Pump 30/600 r.p.m IP65 File ref. no. 108112

Ref: Annex VIII (Internal Control of Production)

• General description of product • Design/manufacturing drawings • List of standards applied • Applicable test reports • Ignition hazard assessment

Equipment group/category & type of explosive atmosphere

Serial number: 1234 Manufactured: 2009

Protection Concept(s)

SECOND NUMERAL

NEMA TYPE

Protection against solid objects

Protection against water

NEMA 1

0 - No special protection

0 - No special protection

NEMA 2

1 - Objects > 50 mm diameter (e.g. part of a hand)

1 - Vertically dripping water

NEMA 3

2 - Vertically dripping water, when enclosure tilted by 15°

NEMA 3R

3 - Sprayed water up to 60° from the vertical

NEMA 3S

3 - Objects > 2.5 mm diameter (e.g. tool)

4 - Sprayed water from all directions

NEMA 4 and 4X

5 - Water jets

NEMA 5

4 - Objects > 1.00 mm diameter (e.g. wire)

6 - Powerful water jets

NEMA 6 and 6P

7 - Temporary submersion to a depth of 1m

NEMA 12 and 12K

T Class

COMPLIANCE ROUTES AND EQUIPMENT SELECTION Gas

Dust

Equipment Category

0

20

1

III and IV or V

Explosive atmosphere present continuously or long periods or frequently (>1000 hours/year)

1

21

2*

III and VII or VI

Explosive atmosphere is likely to occur in normal operation occasionally (>10 <1000 hours/year)

1

21

2**

VIII#

2

22

Mining

Any

3

Relevant ATEX Annexes for Compliance

Hazardous Area Characteristics

Group

* Electrical equipment and internal combustion engines only ** Non-electrical equipment only

II

# and communicate the technical file to a notified body

Explosive atmosphere is not likely to occur in normal operation or infrequently and for short periods (<10 hours/year)

VIII

M1

III and IV or V

M2*

III and VII or VI

M2**

VIII#

Any

IX≠

If explosive atmosphere present, equipment remains energised If explosive atmosphere present, equipment de-energised

I

5 - Dust protected 6 - Dust tight



NEMA 13

8 - Extended submersion to a depth > 1m

IP IP10 IP11 IP54 IP14 IP54 IP55 IP52 IP67 IP52 IP54

This table cannot be used to convert IP codes to NEMA ratings

THE ROUTE TO

≠ Alternative route for any product

If explosive atmosphere present, equipment de-energised



FIRST NUMERAL

2 - Objects > 12.5 mm diameter (e.g. finger)

Zone

NEMA TESTING APPROXIMATE EQUIVALENT TO IPXX

INGRESS PROTECTION (IP) CODE BS EN 60529 (IEC 60529)

TYPICAL EQUIPMENT MARKING (NON-ELECTRICAL EQUIPMENT)

(FOR CATEGORY 2/3 NON-ELECTRICAL EQUIPMENT)

Rake Lane, Eccleston, Chester, CH4 9JN, England

COMPETENCE

–

Any

The Competence Professional Scheme

NORTH AMERICAN APPROVAL MARKING NORTH AMERICAN / EUROPEAN AREA CLASSIFICATION EQUIVALENTS - GAS

NORTH AMERICAN / EUROPEAN EQUIPMENT GROUPING EQUIVALENTS - GAS

Flammable Flammable Flammable Material Present Material Present Material Present Continuously Abnormally Intermittently

IEC / EU US NEC 505 US NEC 500 CA CEC Section 18 CEC Annex

Zone 0 Zone 1 Zone 0 Zone 1 Division 1 Zone 0 Zone 1 Division 1

Zone 2 Zone 2 Division 2 Zone 2 Division 2

IEC classification per IEC 60079-10 IEC classification per EN 60079-10 US classification per ANSI / NFPA 70 National Electrical Code® (NEC®) Article 505 CA classification per CSA C22.1 Canadian Electrical Code (CEC) Section 18 or Annex J

NORTH AMERICAN / EUROPEAN AREA CLASSIFICATION EQUIVALENTS - DUST Combustible Dust Present Continuously

Combustible Dust Present Intermittently

Combustible Dust Present Abnormally

IEC / EU

Zone 20

Zone 21

Zone 22

US NEC 506

Zone 20

Zone 21

Zone 22

US NEC 500

Division 1

Division 2

CA CEC Section 18

Division 1

Division 2

US area classification per ANSI / NFPA 70 National Electrical Code® (NEC®) Article 500 or 506 CA area classification per CSA C22.1 Canadian Electrical Code (CEC) Section 18 EU area classification per EN 61241-10 IEC area classification per IEC 61241-10

Looking for Ex Equipment?

Typical gas

US (NEC® 505) CA (CEC Section 18) EU IEC

Acetylene Hydrogen Ethylene Propane Methane

Group IIC (Group IIB + H2) Group IIB Group IIA Group I*

US (NEC® 500) CA (CEC Annex J)

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Class I / Group A Class I / Group B

Sira Services

Class I / Group C Class I / Group D Mining*

Sira is a world leader in the conformity assessment solutions field, specialising in explosion safety of equipment used in potentially explosive atmospheres.

KNOWLEDGE

EXPERIENCE

Training

Personal log

®

* Not within scope of NEC . Under jurisdiction of MSHA. Not within scope of CEC.

• • • • • • •

NORTH AMERICAN / EUROPEAN EQUIPMENT GROUPING EQUIVALENTS - DUST IEC (61241-0) US (NEC 500) EU (61241-0) CA (CEC Section 18)

ATEX & IECEx Product Approval Quality Assurance & Repair ATEX 137 & DSEAR IEC 61508 Functional Safety Training and Competence Management Systems Laboratory Testing

Assessment Knowledge Certificate

If sufficient and relevant

Typical material

EU (60079-0) IEC (60079-0)

US (NEC 506)

Metal dusts

IIIC

N/A

D

Class II, Group E

Carbonaceous dusts

IIIB

D

D

Class II, Group F

Non-conductive dusts

IIIB

D

D

Class II, Group G

Registration

Fibres and flyings

IIIA

D

D

Class III

Periodic Review 0327

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COMPETENCE CERTIFICATE (Scope)

011

email: [email protected]

Accredited certification and EU Notified Body activities are undertaken by Sira Certification Service

tel: +44 (0) 1244 670 900

August 2009

a CSA International company