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I. DESCRIPTION AND APPLICATION
As autonomous safety systems for intended use in hazardous areas the listed types comply with the
requirements of the European Directive 2014/34/EU and the harmonized standard for flame arrestors EN
ISO 16852.
This document applies to the following types according to the charts 1‐3. The limit values of the maximum
operating pressure p
, the maximum operating temperature T
0
source L
must be kept !
u
Ex‐ Gr.
Pipe size
DN15
(½")
DN20
(¾")
DN25
(1")
DN32
(1¼")
DN40
(1½")
DN50
(2")
IIA1
DN65
(2½")
DN80
(3")
DN100 (4")
DN125 (5")
DN150 (6")
DN200 (8")
Chart 1: Types of explosion group IIA1 (MESG > 1,14 mm) protect against deflagration and endurance burning
Ex‐ Gr.
Pipe size
DN20
(¾")
DN25
(1")
DN32
(1¼")
DN40
(1½")
DN50
(2")
DN65
(2½")
IIA1
DN80
(3")
DN100 (4")
DN125 (5")
DN150 (6")
DN200 (8")
DN250 (10")
DN300 (12")
Chart 2: Types of explosion group IIA1 (MESG > 1,14 mm) protect against deflagration and short time burning
maximum time of stabilized burning 1 minute
04/16
Installation, Operation and Maintenance Instructions
Model 6A00
Inline Deflagration Flame Arrestor
Chapter I
Type
p
0
[kPa(abs.)]
6A0A1
110
6A0B1
110
6A0C1
110
6A0K1
110
6A0U1
110
6A0V1
110
6A131
110
6A1B1
110
6A1K1
110
6A1T1
110
6A1U1
110
6A221
110
Type
p
0
[kPa(abs.)]
6A0B6
160
6A0C6
160
6A0K6
160
6A0U6
160
6A0V6
160
6A136
160
6A1B6
160
6A1K6
160
6A1T6
160
6A1U6
160
6A226
160
6A2A6
160
6A2H6
160
and the maximum distance to the ignition
0
T
L
EC‐type examination
0
u
[°C]
[m]
certificate
60
0,75
60
1,00
60
1,25
60
1,60
60
2,00
60
2,50
IBExU13ATEX2122 X
60
3,25
60
4,00
60
5,00
60
6,25
60
7,50
60
10,0
T
L
EC‐type examination
0
u
[°C]
[m]
certificate
60
1,00
60
1,25
60
1,60
60
2,00
60
2,50
60
3,25
60
4,00
IBExU13ATEX2148 X
60
5,00
60
6,25
60
7,50
60
10,0
60
12,5
60
15,0
IOM‐6A00 IIA1/IIA
02‐15
Page 1