INSTALLATION, OPERATION AND MAINTENANCE MANUAL (IOM)
IOM-6A00 IIA1/IIA
03-16
SECTION I
I. DESCRIPTION AND APPLICATION
As autonomous safety systems for intended use in hazardous areas, the listed types comply with the
requirements of the European Regulations 94/9/EC (ATEX95) 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
0
,
the maximum operating temperature T
0
and the maximum distance to the ignition
source L
U
must be kept!
Model 6A00
Inline Deflagration Flame Arrestor
Ex- Gr.
Pipe size
Type
P
0
[kPa(abs.)]
T
0
[
o
C]
L
U
[m]
EC-type
examination
certi
fi
cate
IIA1
DN20 (3/4”)
6A0B1
110
60
1.00
IBExU13ATEX2122 X
DN25 (1”)
6A0C1
110
60
1.25
DN32 (1-1/4”)
6A0K1
110
60
1.60
DN40 (1-1/2”)
6A0U1
110
60
2.00
DN50 (2”)
6A0V1
110
60
2.50
DN65 (2-1/2”)
6A131
110
60
3.25
DN80 (3”)
6A1B1
110
60
4.00
DN100 (4”)
6A1K1
110
60
5.00
DN125 (5”)
6A1T1
110
60
6.25
DN150 (6”)
6A1U1
110
60
7.50
Ex- Gr.
Pipe size
Type
P
0
[kPa(abs.)]
T
0
[
o
C]
L
U
[m]
EC-type
examination
certi
fi
cate
IIA1
DN20 (3/4”)
6A0B6
160
60
1.00
IBExU13ATEX2148 X
DN25 (1”)
6A0C6
160
60
1.25
DN32 (1-1/4”)
6A0K6
160
60
1.60
DN40 (1-1/2”)
6A0U6
160
60
2.00
DN50 (2”)
6A0V6
160
60
2.50
DN65 (2-1/2”)
6A136
160
60
3.25
DN80 (3”)
6A1B6
160
60
4.00
DN100 (4”)
6A1K6
160
60
5.00
DN125 (5”)
6A1T6
160
60
6.25
DN150 (6”)
6A1U6
160
60
7.50
DN200 (8”)
6A226
160
60
10.0
DN250 (10”)
6A2A6
160
60
12.5
DN300 (12”)
6A2H6
160
60
15.0
Chart 1: Types of explosion group IIA1 (MESG > 1.14 mm) protect against deflagration and endurance burning.
Chart 2: Types of explosion group IIA1 (MESG >1.14 mm) protect against deflagration and short time burning,
maximum time of stablized burning = 1minute.
ISO Registered Company
