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Chapter II
II. Safety Instructions
The marking of the flame arrestor is carried out according to EN ISO 16852 respective their application.
Each flame arrestor is marked with a nameplate and a warning sign. The nameplate as shown in figure 1
contains the following information:
Fig. 1
2
3
4
5
7
1. Name and address of the manufacturer
2. Type designation
3. Number of the EC‐type examination certificate
4. Serial number / year of manufacture
5. Pipe size
6. Marking hazardous area „G" for gas and vapor
7. Explosion group
8. Standard for flame arrester
9. CE‐marking with details of the named location
The warning sign as shown in figure 2 contains the following information:
Fig. 2
2
5
3
6
4
7
4
1. "Warning" with the supplement "Installation and application limits according to ISO16852"
2. Marking according to ISO16852: DEF
3. Explosion group Ex‐G: according to charts 1‐3
4. Maximum operating temperature T
and maximum operating pressure according to charts 1‐3
0
5. Ratio L
/D (maximum distance to ignition source / connection‐Ø of the flame arrester)
u
6. Classification of burn rating a, b or c
7. Burn time t
(information only in connection with flammability classification b): 1 min
BT
The marking with the warning notice (fig. 3) is only given for flame arrestors which are classified as
protected against short burning "b" or endurance burning "c". The marking "protected side" (fig. 4) is only
given for flame arresters functioning only to one side.
Fig. 3
Fig.4
Geschützte Seite
Protected Side
04/16
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