60
CE
= symbol conforming to Annex X of the Directive 94/9/CE identifying that
the product complies with the Health and Safety Essential Requirements
(R.E.S.S.) of the directive itself
0477
II1 (or IIB) GD T6 T85°C
-30°C≤Env.Temp.≤ 60°C
= ATEX marking symbols with the following meanings:
0477
= identifying Number of the Notified Body which controls the
production according to Ex Certification,
= symbol ATEX 94/9/CE Directive, reproduced in the Annex II of the directive
itself
II
= group to which this apparatus belongs. Group II refers to apparatuses NOT to
be used in mines.
1
= category of this Certified apparatus (products designed to function in zone 0
and 20)
G
= permissible explosive atmospheres surrounding the apparatuses can be
flammable gases, vapors and mists
D
= permissible explosive atmospheres surrounding the apparatuses can be
flammable dusts
T6
= maximum surface spontaneous temperature of the apparatus is 85°C
-30°C≤Env.Temp.≤ 60°C = range of working temperature allowed.
Cylinder valve
= name of the manufacturer
EN 144
= reference Standard
XXXX
= year of manufacture
M 18X1,5
= type of connection (cylinder/valve)
200
= maximum working pressure (example)
Steel cylinder
EN 144-1
= thread reference Standard
M 18X1,5
= type of thread
KK
= manufacturer identification
WWWWWW
= cylinder serial number
UT
= nondestructive test marking
3,7 MM
= minimum wall thickness (example)
4,00 KG
= mass of the empty cylinder (example)
V3L
= cylinder water capacity
TS = -50°C/+65°C
= maximum temperature range
PS 200 AT 15°C
= maximum working pressure at 15°C
PT 300 BAR
= test pressure (example)
EN XXXX
= cylinder reference Standard
XXXX/YY
= marking of the testing organization, month (YY) and year of testing
(XXXX)
CE 0426
= CE Marking and n° of the Notified Body
Group 2
= air classification
Apparecchio respiratore
= type of apparatus
Composite Cylinders
M 18X1,5
= type of thread
SCI
= name of the manufacturer (example)
AA 6061
= material of the internal liner
ALT 674C 10763
= drawing, revision and serial number (example)
4,10 KG
= mass of the empty cylinder (example)
XXXX/YY
= year (XXXX) and month (YY) of production
6.87 L
= water Capacity of the cylinder (example)
TS: -50°C to + 60°C
= maximum temperature range
EN
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