dosatron D3 Series - Page 44

©
DOSATRON INTERNATIONAL S.A.S / 43
©
DOSATRON INTERNATIONAL S.A.S / 44
EN
Norm
Gas / Dust
Code
Gas / Dust
Principle
EN13463-1 - General guidelines
EN13463-2 fr Flow restricting enclosure
EN13463-3 d Flameproof enclosure
EN13463-5 c Constructional safety
EN13463-6 b Control of ignition sources
EN13463-7 p Pressurized enclosure
EN13463-8 k Liquid immersion
Atmosphere
type
G Gas
D Dust
Temperature category
Corresponding surface
temperature (°C)
Tl 450
T2 300
T3 200
T4 135
T5 100
T6 85
Dust group Dust type Size Resistivity
lllA
Airborne combustible
particles
> 500μm -
lllB Non-conductive dust ≤ 500μm > 10
3
Ω.m
lllC Conductive dust ≤ 500μm ≤ 10
3
Ω.m
Equipment
group
Gas group Gas MIE* (μJ) !MESG** (mm)
Groupe 1
(Mining)
l Methane 300 1,14
Groupe 2
(Surfaces)
llA Propane 240 0,92
llB Ethylene 70 0,65
llC
Acetylene
Hydrogen
17
17
0,37
0,29
Gas group
Dust group
Temperature category
Protection Mode
* MIE : Minimum Ignition Energy
** MESG : Maximum Experimental Safe Gap