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GUIDE TO EXPLOSION PROTECTION
Ex-Agencija’s services:Ex-equipment testing and determination of the explosive properties of flammable mediaEx-equipment certificationTechnical supervision of plants with hazardous areaTechnical supervision of the quality management in production, repair & overhaul, inspection & maintenance and installation of Ex-equipmentPersonnel education (Ex-Training) & publishing (Ex-Bilten)Management Systems Certification (ISO 9001; ISO 14001, ...)
Ex-AgencijaAGENCY FOR EXPLOSIVE ATMOSPHERE Industrijska 25, 10431 Sveta Nedelja - Croatia
Phone: + 385 1 3667 260; + 385 1 3667 157; Fax: + 385 1 3667 262e-mail: [email protected]
www.ex-agencija.hr
Ex-PROTECTION CONCEPTS
CONFORMITY ASSESMENT
PRODUCTION - according to Directive 94/9/EC (ATEX95) / Directive 2014/34/EU (ATEX 114)
M A R K E T
Equipment category M1, 1 and Protective systems
Annex III Annex III Annex VIII Annex VIII
Annex IV Annex VII Communicate a technical documentation to a Notified Body
Annex VI
Annex IX Annex IX
Annex V
Electrical equipment category 2 and M2 and internal combustion engines
Conformity assesment annexesIII - Type examination (B)IV - Production quality assurance (D)V - Product verification (F)VI - Conformity to type (C)
Non-electrical equipment category 2
Equipment category 3
VII - Product quality assurance (E)VIII - Internal control of production (A)IX - Unit verification (G)
TECHNICAL SUPERVISION
Regulations of minimum safety requirements and worker’s health protection, and technical supervision of plants, equipment, installations
and apparatus in hazardous areas (HR OJ No. 39/06, 106/07)
TECHNICAL SUPERVISION by authorized body (Ex-Agencija) include
EU Directive 1999/92/EC (ATEX 137)
PLANTS
Area classification (HRN EN 60079-10-1/ -2)Electrical power equipment (HRN EN 60079-0)Electrical instrumentation equipment (HRN EN 60079-0)Electrical installations of power equipment (HRN EN 60079-14)Electrical installations of instrumentation equipment (HRN EN 60079-14)Non-electrical equipment and installations (HRN EN 13463-1)and technical report is issued.
ACTIVITIES
Repair (HRN EN 60079-19)Installation (HRN EN 60079-14)Maintenance (HRN EN 60079-17)of Ex-equipment and technical report is issued.
CATEGORIES / PROTECTION LEVELS / ZONES
TEMPERATURE CLASS / GROUP IP - PROTECTION
Areas Categories (ATEX) EPL (IEC) Zones Explosive atmosphere
Mining - IM1 Ma
/ /M2 Mb
Other than mines - II
1G, 1D Ga, Da 0, 20 Continuosly, long periods or frequently
2G, 2D Gb, Db 1, 21 Likely to occur, occasionally
3G, 3D Gc, Dc 2, 22 Not likely to occur, short period only
EPL – Equipment Protection Level
Degrees of protection IP-code
First numeral
Second numeral
Description of protection
1 -Protection against solid objects >50 mm
(hand protection)
2 -Protection against solid objects >12,5 mm
(finger protection)
3 - Protection against solid objects >2,5 mm
4 - Protection against solid objects >1 mm
5 - Dust protected
6 - Dust tight
- 1 Protection against vertically dripping water
- 2Protection against dripping water
(15° tilted)
- 3Protection against spraying water
(angle up to 60°)
- 4Protection against splashing water from
any direction
- 5 Protection against water jets
- 6 Protection against powerful water jets
- 7 Temporary immersion (0,15m/1m; 30 min)
- 8 Continuous immersion depth >1 m
- 9 High pressure water test
Temperature Class
Maximum Surface Temperature
T1 450 °C
T2 300 °C
T3 200 °C
T4 135 °C
T5 100 °C
T6 85 °C
Dust Group
IIIA Combustible flyings
IIIB Non-conductive dust
IIIC Conductive dust
Gas Group Representative Gas
I Methane
IIA Propane
IIB Ethylene
IIC Hydrogen, Acetylene
Type of protection Standard Concept SymbolCategory
(CENELEC)EPL
(IEC)Types of protection of electrical equipment for explosive atmosphere of flammable gases, vapours, mists or dusts
(HRN/EN/IEC 60079-0)
Flameproof HRN/EN/IEC 60079-1 dM2, 2G
M1, 1G, 3G Mb, Gb
Ma, Ga, Gc
Pressurized HRN/EN/IEC 60079-2 px, py, pz M2, 2G, 3G
2D, 3D Mb, Gb, Gc
Db, Dc
Powder filling HRN/EN/IEC 60079-5 q M2, 2G Mb, Gb
Oil-immersion HRN/EN/IEC 60079-6 o M2, 2G Mb, Gb
Increased safety HRN/EN/IEC 60079-7 eM2, 2G3G (*)
Mb, GbGc (*)
Intrinsic safety HRN/EN/IEC 60079-11 i M1, M2, 1G, 2G, 3G
1D, 2D, 3DMa, Mb, Ga, Gb, Gc
Da, Db, Dc
Type of protection ‘n’ HRN/EN/IEC 60079-15
nA
3G GcnC
nR
Encapsulation HRN/EN/IEC 60079-18 m M1, M2, 1G, 2G, 3G
1D, 2D, 3DMa, Mb, Ga, Gb, Gc
Da, Db, Dc
Protection byenclosures
HRN/EN/IEC 60079-31 t 1D, 2D, 3D Da, Db, Dc
Special protection IEC 60079-33 sM1, M2, 1G, 2G, 3G
1D, 2D, 3DMa, Mb, Ga, Gb, Gc
Da, Db, Dc
Type of protection Standard Concept SymbolCategory
(CEN)EPL
(IEC)Types of protection of non-electrical equipment for explosive atmosphere of flammable gases, vapours, mists or dusts
(HRN/EN 13463-1/ IEC 80079-36)
Flow restricting HRN/EN 13463-2 fr 3G, 3D /
Flameproof HRN/EN 13463-3 d M2, 2G /
Constructional safetyHRN/EN 13463-5
IEC 80079-37c
M2,1G, 2G, 3G1D, 2D, 3D
Mb, Ga, Gb, GcDa, Db, Dc
Control of ignition sourcesHRN/EN 13463-6
IEC 80079-37b
M2, 1G, 2G, 3G1D, 2D, 3D
Mb, Ga, Gb, GcDa, Db, Dc
Liquid immersionHRN/EN 13463-8
IEC 80079-37k
M1, M2, 1G, 2G, 3G1D, 2D, 3D
Ma, Mb, Ga, Gb, GcDa, Db, Dc
Pressurized HRN/EN/IEC 60079-2 pM2, 2G, 2D
3G, 3D /
(*) Extension of scope in the next edition of standard
45011 - HAA
3115/07
17025 - HAA
1120/07
Ex-MARKS
ATEX Marks
Ex-s
ymbo
l
Gro
up
Cat
egor
y
Dus
t -
Flam
mab
le -
Gas
Dus
t -
Flam
mab
le -
Gas
Prot
ecti
on c
once
pt
Dus
t G
roup
Gas
Gro
up
Tem
pera
ture
Cla
ss
Max
. sur
face
tem
pera
ture
II 2 G
II 2 D
Ex db mb IIB T5
Ex tb IIIC T90°C
Gb
Db
Marking according to standard EPL (IEC)
Ex-EQUIPMENT MARKING
Logo, manufacturer’s name and address
Conformity symbol
Type: ABC 825
Un=230 Vac Pmax= 50W f= 50 Hz Ta=-35°C / +50°C
Ser. No.: 128-5/09Notified body (ExNB) identification number if involved in production control
Standard ambient temperature (-20°C/+40°C) unless stated on labe
ExNB or IECEx CB acronym and certificate number
Warning markings
Product identification
Ratings
Use cable suitable for Ts >90°C Use screws with yield stress >800N/mm2
Symbol of explosion protection
Marking of group, category and
applied protection concept
N&N d.o.o. 10000 ZagrebSplitska, HR
II 2(1)G Ex db eb [iaGa] IIC T5 GbII 2(1)D Ex tb [iaDa] IIIB T95oC Db
2465
N
EXA 15 ATEX1234XIECEx EXA 15.1234X