CATALOGO ATTUATORI // ACTUATORS CATALOGUE

Direttiva 2014/34/UE ATEX – 2014/34/EU ATEX Directive

Classification and labeling of areas at risk of explosion

Subdivision and differentiation of gases, mists and vapors

Flammable subjects

Device classification Equipment

Explosion risk areas (Partition)

Hazardous environments (Presence of Potentially Explosive Atomospheres)

Explosion group Most common gases in reference to explosion group and temperature classes

Protection Level (EPL)

Group Category

Continuously, for long periods or frequently

II

Zone 0

Ammonia Methane Ethane Propane

Ethanol Cyclohex. n-Butane

Gasoline Diesel n-Hexane

IIA

Acetaldeh.

Gases Vapors Mists

II

1G

Ga

Zone 1

Occasionally

IIB

2G

Gb

Rarely or for very short periods Continuously, for long periods or frequently

II

3G

Gc

Zone 2

Ethylene glycol Hydrogen sulphide

Ethylene Ethylene oxide

Smog Acrylic Nitrile

IIC

Ethyl ether

II

Zone 20

II

1D

Da

Dusts

Zone 21

Occasionally

2D

Db

Coal hydrogen Acetylene

Disulfide

Rarely or for very short periods

II

3D

Dc

Zone 22

T1 < 450°C

T2 < 300°C

T3 < 200°C

T4 < 135°C

T5 < 100°C

T6 < 85°C

I I 2G Ex ia I IC T6 Gb I I 2D Ex tb I I IC T80°C Db X IP 6 5

-

-

Volatile combustible substances (fibers)

0 not

IIIA

b c b c a b c x y z a b c b c a b A C R a b c - - -

Explosion proof Ex d

0 not protected

1 2

Containment

EN60079-1

protected

IIIB

-

Non-conductive powders

IIIC

1 solids

Ex e

Prevention Increased Safety

1 2

EN60079-7

1

vertical rain

(>50mm.)

Conductive powders

0, 20 1, 21 2, 22 1, 21 2, 22 0, 20 1, 21 2, 22 -

2 solids

cross rain (up to 15°)

Prevention Intrinsic Safety Ex i

EN60079-11

2

(>12.5mm.)

Group

Classification

Segregation Pressurization Ex p

EN60079-2

3 solids

cross rain (up to 60°)

3

(>2.5mm.)

Dust classification

splashing water from every direction

Ex m

Segregation Encapsulation

EN60079-18

Electric

4 solids

4

(>1mm.)

-

dusts (limited access)

Ex o

Segregation Oil immersion

1 2

EN60079-6

5 water sprays from all direction

5

-

dusts (full protection)

high pressure water sprays from all directions

Ex q

Segregation Sand filling

1 2

EN60079-5

6

6

Prevention Containment Segregation

Ex n

temporary immersion (max 1mt. for 30')

Ignition proof

2

EN60079-15

7 -

7

20 21 22

Ex t

Segregation Dustproof

EN60079-31

continuous immersion (>1mt. for 60')

8 -

8

0, 20 1, 21 2, 22 0, 20 1, 21 2, 22 0, 20 1, 21 2, 22

Prevention Containment

Control of ignition sources

c

-

No limitations

Solid and dust protection

Liquids protections

Prevention Containment Prevention Containment Segregation

Constructive safety

b

Ex h

Some conditions must be met

Mechanical

EN80079-37

X

IP class protection

Liquid immersion

To be used only in a complete system

k

U

Device Protection principle

Protection type Marking

Use zone

Symbol

Standard

Information

Code

9

Principle and type of protection

Additional information

III