Wolf H-251AII User Manual

> 12.5mm

> 2.5mm

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This guide is provided to aid in the selection of Wolf lighting products for use in potentially explosive atmospheres. Information given is based on practice within the EU, as specified in the requirements of the 94/9/EC ATEX (Equipment) Directive and the 99/92/EC ATEX (Workplace) Directive.

ATEX MARKING

1180

CE mark denotes manufacturers’ declaration of product compliance to all relevant EU Directives

‘CE’ MARKING AND THE 94/9/EC ATEX DIRECTIVE ON EQUIPMENT AND PROTECTIVE SYSTEMS INTENDED FOR USE IN POTENTIALLY EXPLOSIVE ATMOSPHERES.

MANDATORY WITHIN THE EU

‘CE’ marking has been introduced as part of the European Union’s new approach to technical harmonisation as a means of identifying products that comply with all relevant EC Directives.

Subject to certain safeguards, products bearing the ‘CE’ mark are permitted to be sold throughout the EU without interference from national regulatory authorities. The Directives have been put in place in order to remove artificial trade barriers within the European Union previously caused by individual countries’ national standards, a secondary function is as a means of regulating safety.

The Explosive Atmospheres 94/9/EC ATEX (Equipment) Directive became mandatory on 1 July 2003.

On this date the existing Explosive Atmospheres and Gassy Mines Directives were repealed. Since then only equipment and systems ‘CE’ marked as compliant with the ATEX Equipment Directive (and all other relevant mandatory directives) may placed on the market within the EU.

The Directive applies to all equipment and systems for use in potentially explosive atmospheres within the EU. The scope of the Directive includes electrical and mechanical equipment for use in Group I (mining) or Group II (industrial) applications, both on and offshore and considers risks of ignition of potentially explosive gas, vapour, mist and dust atmospheres. In addition, devices intended for use outside potentially explosive atmospheres that contribute to the safe functioning of equipment and systems with regard to explosion risk are also included.

Compliance of products to the ATEX Equipment Directive, through conformity assessment, takes a modular approach, and is generally in two stages; design and production.

A common route to product design compliance is to apply to a Notified Body (Ex. Test House) for an EC Type Examination Certificate. To comply, the equipment or system must meet the Essential Health and Safety Requirements (EHSRs) listed in the Directive. Harmonised EU standards have been adopted by CENELEC and CEN, relating to the design, construction and testing of equipment; a product complying with these standards is deemed to meet the EHSRs to which the standards relate. Where apparatus follows a protection concept not covered by these standards, compliance to the 94/9/EC Directive is still possible by compiling a ‘Technical File’ from first principles, demonstrating compliance through test and assessment to the EHSRs relating to design and construction of equipment for use in explosive atmospheres.

The production quality stage of the conformity assessment procedures ensure continued product compliance in manufacturing. Typically a manufacturer should have a certified ISO 9000 quality management system and comply with one of the quality modules in the ATEX Equipment Directive, however this will vary depending on product equipment category; equipment used in higher risk areas will require more onerous conformity assessment procedures to be applied.

In addition to the 94/9/EC ATEX (Equipment) Directive, products for use in potentially explosive atmospheres may require to be compliant with other Directives including the 89/336/EEC Electro-Magnetic Compatibility (EMC) Directive, which became mandatory on 1/1/96. This Directive applies to virtually all electrical and electronic apparatus potentially able to generate interfering emissions or exhibit an undue sensitivity to interference sources.

Once compliance with the relevant Directives is complete and an EC Declaration of Conformity issued by the manufacturer, the ‘CE’ mark may be applied and the product placed on the market.

The ATEX Equipment Directive in full, and EC Commission guidance on the Directive, may be found on the following website: http://europa.eu.int/comm/enterprise/atex/index.htm

99/92/EC ATEX (WORKPLACE) DIRECTIVE ON MINIMUM REQUIREMENTS FOR IMPROVING THE SAFETY AND HEALTH PROTECTION OF WORKERS POTENTIALLY AT RISK FROM EXPLOSIVE ATMOSPHERES.

WORKPLACES IN OPERATION BEFORE JULY 2003 MUST COMPLY BY JULY 2006.

WORKPLACES COMING INTO USE AFTER JULY 2003 MUST COMPLY IMMEDIATELY.

The Directive covers both Group I and Group II activities, on shore and offshore within the EU, and aims to provide a better level of protection for the health and safety of workers in potentially explosive gas, vapour, mist and dust atmospheres.

It lists a set of obligations and safety measures for employers, requiring the adoption of a coherent risk assessment based strategy for the prevention of explosions. These obligations include:

• Generation of an explosion protection document, evaluating explosion risk, including: likelihood of the presence of the explosive atmosphere, the presence of ignition sources (including electrostatic discharge), identification of the substances and processes in use, definition of specific measures taken to safeguard the health and safety of workers.

• Classification of areas into zones and marking points of entry with safety signs.

• Appropriate training and supervision for workers.

• Use of written instructions and permits to work.

• Special requirements for work equipment:-

– Equipment in service before 30 June 2003 may continue to be used after this date if it has been risk

– Equipment brought into service after 30 June 2003 must be CE marked as compliant with the

• Due consideration of explosion protection measures, encompassing issues such as:

– Control of releases.

– Use of protective measures appropriate to the greatest potential risk.

– Selection of appropriate equipment by referencing the explosion protection document.

– Ensuring equipment is correctly maintained and operated.

– Minimising the risk of explosion and the effect of explosion in the workplace.

– Provision of suitable warning and escape facilities.

99/92/EC is a separate directive specifically covering workers in explosive atmospheres, working within the more general 89/391/EEC Directive on the introduction of measures to

encourage improvements in the safety and health of workers at work.

The ATEX Workplace Directive in full may be found on the following website: http://europa.eu.int/comm/enterprise/atex/index.htm

DSEAR – THE DANGEROUS SUBSTANCES AND EXPLOSIVE ATMOSPHERES REGULATIONS 2002.

In the UK the 99/92/EC ATEX workplace Directive will be implemented as The Dangerous Substances and Explosive Atmospheres Regulation 2002 (DSEAR). These regulations will also include the safety aspects of the 98/24/EC Chemical Agents Directive, resulting in flammable and dangerous substances being covered by a single set of regulations, thus reducing the volume of legislation covering this area.

A copy of the DSEAR regulations is available at: http://www.hmso.gov.uk/si/si2002/20022776.htm

A guide to DSEAR, published by the Health and Safety Executive can be downloaded at: http://www.hse.gov.uk/fireandexplosion/dsear/htm

Number of Notified Body responsible for EC monitoring of production quality

gases, vapours and mists to EN 50014

Explosion Protected equipment ‘E’ prefix denotes compliance with CENELEC Standards in the EN50014 series

Note: ‘EEx’ and Protection Concepts are not marked if a ‘Technical File’ from first principles is applied.

EQUIPMENT GROUP & EQUIPMENT CATEGORY

Equipment Equipment Protection Hazard Use Group Category Level

I M1 Very high – – Operable in Ex

Mining

II 1 Very high G Zones 0,1,2,

Industrial

Equipment Group and Category identify the areas in which equipment may be safely used

assessed and the explosion protection document indicates it can be safely used.

94/9/EC ATEX (Equipment) Directive.

A-TL45A

II 2 GD

Equipment Category

Gas Group

Defines suitability of use of Group II equipment in gas and/or dust atmospheres

IIC T4

Temperature Classification

Gas Dust

D Zones 20,21,22

D Zones 21,22

D Zones 22

Wolf ATEX Turbolite

II 2 GD II T4 (Tamb=55°C) T135°C

SIRA02ATEX5099X

Specific

Equipment

mark for

Group Explosion Protection

CERTIFICATION CODE

E Ex

e ib

Protection

Concepts

protection atmosphere

M2 High – – De-energised

protection in Ex atmosphere

protection

2 High G Zones 1,2

protection

3 Normal G Zones 2

protection

A-TL44A

Wolf Safety Lamp Company

ATEX Explained

Ex Equipment

Ex EQUIPMENT LABEL

ATEX MARKING

CERTIFICATION CODE

gases, vapours & mists

Replacement parts specification

Safety measures to be applied in service

Serial/batch number incorporating year of construction

Group Typical Hazard Maximum Safe Maximum Safe Gap Applicable

I Methane

Mining

IIA Propane

IIB Ethylene

IIC Hydrogen/Acetylene

Industrial

II All Gases

Equipment sub-grouping segregates gases according to ease of ignitability by sparks or flames. These apply to flameproof Ex d and intrinsically safe Ex ia/ib equipment only.

PROTECTION CONCEPTS FOR ELECTRICAL APPARATUS

Concept

General req.

Oil immersion

Pressurised

Powder filled

Flameproof

Increased

safety

Intrinsic safety

Encapsulation

Non-incendive

Protection concept identifies the means by which explosion protection is achieved. * Shortly to be replaced by standard in brackets.

Area Classification Zone Criteria

Gases Dusts

Zone 0

Zone 20

Zone 1

Zone 21

Zone 2

Zone 22

EXAMPLE OF HAZARDOUS AREA ZONES

This diagram shows how hazardous area zones may occur in typical circumstances.

FUEL STORAGE TANK

It is the user’s responsibility to ascertain if a particular product is safe and without risk to health and safety by virtue of its location in a hazardous area, i.e. classification of zones, gas groups, ignition temperatures, etc. Both the specifier and user should be thoroughly familiar with the standards mentioned in this guide.

Whilst every care has been taken in the compilation of this document, the Company regrets that it cannot accept responsibility for any errors or omissions contained herein. Readers should not rely upon the information contained in this document without seeking specific safety advice and ensuring that their own particular circumstances are in accordance with the matters set out.

Icon

Symbol

–

Ex o

Ex p

Ex q

Ex d

Ex e

Ex ia

Ex ib

Ex m

Ex n

For details of our full range of explosion protected lighting products visit our website listed below or contact Wolf to request data sheets.

ignition within the apparatus enclosure is contained and

will not ignite surrounding

present continuously or for long periods (>1000hrs per annum)

likely to occur in normal operation occasionally (>10hrs, <1000hrs per annum)

unlikely to occur in normal operation, if it does will only be for short periods (<10hrs per annum)

DECANTING OF FLAMMABLE LIQUID

Wolflite Primary Cell Handlamp H-4DCA

II 2 GD EEx e ib IIC T4 IP66 T135°C

BAS00ATEX2203

WOLFLITE HANDLAMP H-251A

Battery 4V, 5Ah

type H-66 ONLY

Ne pas charger ni ouvrir l’appareil en zones Ex.

Ne recharger que sur des chargeur C-251 HV/LV.

Recharger immediatement les batteries dechargees.

Batch No.

The Wolf Safety Lamp Company Ltd.

GAS GROUP

Sparking Energy Flameproof Ex d Concepts

Intrinsic Safety Ex ia/ib

to ignite gas

energy required

less more

Description

General requirements

explosive gas excluded

by immersing ignition

source in oil

explosive gas excluded by surrounding ignition source with pressurised

inert gas

explosive gas excluded

by immersing ignition

source in sand

explosive atmosphere

design excludes the possibility of

incendive arcs, sparks

or hot surfaces

energy in circuit and

temperature on

components reduced

to a safe level

flammable gas excluded

by encapsulating the

ignition source in resin

will not ignite explosive

gas in normal operation,

faults unlikely to occur

FROM CONTAINER

Category

PETROL STATION

TO CONTAINER

Ex Environment

II 2 GD

EEx e ib IIC T4

IP66 T135

BAS 00 ATEX 2176

3.6 min. 1.0A max.

Do not open or charge in Ex areas.

Charge in charger unit C-251 HV/LV ONLY.

Recharge battery immediately after use.

Gerat nicht im Ex-Bereich laden oder öffnen. Nur mit Ladegerät typ C-251 HV/LV aufladen.

Nach Gebrauch sofort wieder aufladen.

–

HPR 3.75V min. 0.75A max.

Sheffield - S8 0YA - England

✓

gap size

flameproof

✓

narrow wide

✓

TEMPERATURE CLASS

EN Standard

EN 60079-0

EN 50015*

(EN 60079-6)

EN 60079-2

EN 50017*

(EN 60079-5)

EN 60079-1

EN 60079-7

EN 50020*

(EN 60079-11)

EN 60079-18

EN 60079-15

CLASSIFICATION OF HAZARDOUS AREAS

To EN 60079-10

Hazardous areas are classified into zones on the basis of the frequency and duration of the occurrence of an explosive atmosphere. Durations on table are typical.

Temperature class relates to the hot surface ignition temperature of a particular explosive atmosphere. It must not be exceeded by the temperature classification of the equipment intended to be used in that atmosphere.

Hot surfaces can ignite explosive atmospheres

450°C

300°C

200°C

135°C

100°C

85°C

PETROL STATION FORECOURT

FLAMMABLE MATERIAL IN LIQUID FORM

1180

✓

all concepts

✓

Ex d, Ex ia/ib

✓

Ex e, Ex m, Ex p, Ex o, Ex q, Ex n

T1 T2 T3 T4 T5 T6

ZONE 0 ZONE 1 ZONE 2

Wolflite Rechargeable Handlamp H-251A

II 2 GD EEx e ib IIC T4 IP66 T135°C

BAS00ATEX2176

MARKING FOR DUST

IGNITION PROTECTION

Explosion protection mark (ATEX marking)

EC-TYPE EXAMINATION

CERTIFICATE NUMBER

CE mark (ATEX marking)

Supplementary approval Lloyds Register of Shipping marine approval

GROUP II GAS SUBDIVISION

Risk of ignition

IIA IIB IIC

Risk of ignition

Potentially Explosive Atmosphere

AMBIENT TEMPERATURE

Equipment approved to the CENELEC standard have T. class based on use in an ambient of

-20°C to +40°C unless otherwise stated (ie. T amb. = 35°C)

GARAGE

UNVENTILATED

GARAGE

INSPECTION PIT

IIA

IIB

IIC

Potentially Explosive Atmosphere

Explosion Protected Equipment

+400C

–20

MARKING FOR DUST IGNITION PROTECTION

to EN 50281-1-1

IP66

Ingress

Protection Code

Explosion Protected Equipment

KEY

Explosive atmosphere

consisting of a mixture with

air of flammable substances in

the form of gas, vapour or

mist, or a cloud of

combustible dust in air.

Spark

Ignition

Flameproof flange gap on

Ex d equipment

< = less than

> = more than

Wolf Rechargeable Torch R-30

II 2 GD EEx e ib IIC T4 IP67 T135°C

Baseefa05ATEX0068

EC-TYPE EXAMINATION CERTIFICATE NUMBER

Notified body

responsible for

EC-Type Examination (Test House)

T135°C

Maximum External

Surface Temperature

INGRESS PROTECTION (IP) CODE to EN 60529

Ex equipment selection for use in gases, vapours, mists or dusts must take into consideration the environmental conditions of the area in which it is to be used. Apparatus resistance to ingress of both solid bodies and water is identified by use of an “IP rating”.

no protection

1st numeral and 2nd numeral combined to identify level of ingress protection, e.g. dust tight, protected from high power water jets/heavy seas:

APPARATUS GROUPS AND

TEMPERATURE CLASSES FOR

COMMON EXPLOSIVE GASES

Gas/Vapour Gas Temperature Temperature Group Class

Acetic acid IIA T1 Acetone IIA T1 Acetylene IIC T2 Ammonia IIA T1 Benzene IIA T1 Butane IIA T2 Cumene IIA T2 Cychlohexane IIA T3 Ethanol (ethyl alcohol) IIA T2 Ethylene IIB T2 Hydrogen IIC T1 Methane (industrial) IIA T1 Methanol IIA T1 Petroleum IIA T1 Propane IIA T1 Toulene IIA T1 Turpentine IIA T3 Xylene IIA T1

A more comprehensive list of gases and vapours is provided in IEC 60079-20

BAS

Year Certificate Issued

X Suffix denotes special conditions of certification

U Suffix denotes Ex component approval

EC NOTIFIED BODIES

Notified Bodies have been appointed by the governments of individual EC countries as responsible to carry out part or all of the functions specified in the ATEX Equipment Directive, such as EC type examination of equipment and quality assurance assessment of equipment production.

Baseefa (2001) Ltd are responsible for the quality assurance assessment of equipment manufactured by the Wolf Safety Lamp Company, this is identified by their notified body number (1180) appearing below the CE mark on Wolf products.

Protection Against Solid Bodies

Ingress Protection rating: I P 6 6

1st Numeral

–

AND VAPOURS

ASSOCIATED STANDARDS

Explosive Atmospheres. Explosion prevention & protection

Basic concepts and methodology EN 1127-1

Electrical equipment for use in potentially explosive gases, vapours and mists - associated non-concept standards

Classification of hazardous areas EN 60079-10 Electrical installations EN 60079-14 Inspection and maintenance of electrical installations EN 60079-17 Repair and overhaul of apparatus IEC 60079-19 Data for flammable gases and vapours IEC 60079-20

Electrical apparatus for use in the presence of combustible dusts

Protection of enclosures “tD” EN 61241-1 Classification of areas EN 61241-10 Selection, installation and maintenance EN 61241-14 Protection by encapsulation EN 61241-18

Non-Electrical Equipment for use in potentially explosive gases, vapours, mists and dusts

Basic method and requirements EN 13463-1 Protection by constructional safety “c” EN 13463-5 Protection by liquid immersion “k” EN 13463-8

These standards relating to apparatus for dust and non electrical equipment are being supplemented by further standards for specific concepts of protection.

Standards available from: British Standards Institution, 369 Chiswick High Road,

ATEX 2176

ATEX Certificate

2nd Numeral Protection Against Water

0 0

1 1

2 2

3 3

4 4

5 5

6 6

COMBUSTIBLE DUSTS

Dust Cloud Ignition

Aluminium 590°C Coal dust (Lignite) 380°C Flour 490°C Grain dust 510°C Methyl cellulose 420°C Phenolic resin 530°C Polythene 420°C PVC 700°C Soot 810°C Starch 460°C Sugar 490°C

A more comprehensive list of dusts is provided in BS 7535. A database of 'Combustion and Explosion Characteristics of Dusts’ is available at www.hvbg.de/e/bia/fac/expl/

London W4 4AL www.bsi-global.com

Serial Number

no protection

IGNITION

TEMPERATURES

FOR COMMON

Temperature

Wolf Hazard Lamp HL-95

II 1 G EEx ia IIC T4

BAS99ATEX1044

Wolf EX GLS Leadlamp

II 2 G EEx d e IIA T3

IBExU03ATEX1018X

TR-26/TR-24/TR-24+

TS-26/TS-24/TS-24+

tel: 0114 255 1051 fax: 0114 255 7988 e-mail: info@wolf-safety.co.uk web: www.wolf–safety.co.uk

Wolf ATEX Safety Torches

II 2 GD EEx e ib IIC T6 IP67 T65°C

II 2 GD EEx e ib IIC T4 (Tamb=40/55°C)

IP67 T95°C (Tamb=55°C)

BAS02ATEX2220X

Wolf Safety Lamp Company Saxon Road Works, Sheffield S8 0YA England

Wolf LiteTracker™ and Bikelite

II 1 G EEx ia IIC T4

BAS99ATEX1017

Wolf Ex-Penlite PL-01

II 2 G EEx e ia IIC T4

TÜV00ATEX1529

Wolf ‘Zone 0’ Headtorch HT-200

II 1 G EEx ia IIC T4/T3

Baseefa04ATEX0398

Wolf Flameproof Leadlamp

II 2 G EEx d e IIC T4/T3

DMT03ATEXE279