cashco 6A00 Инструкции по установке, эксплуатации и техническому обслуживанию - Страница 2
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Ex‐ Gr.
Pipe size
DN20
(¾")
DN25
(1")
DN32
(1¼")
DN40
(1½")
DN50
(2")
DN65
(2½")
IIA
DN80
(3")
DN100 (4")
DN125 (5")
DN150 (6")
DN200 (8")
DN250 (10")
DN300 (12")
Chart 3: Types of explosion group IIA (MESG > 0,9 mm) protect against deflagration and short time burning
maximum time of stabilized burning 1 minute
The suitability for the application in gas/air mixtures and vapor/air mixtures of inflammable liquids of the
explosion group IIA1 and IIA has been confirmed by the successful testing at IBExU in Freiberg (stated
location No. 0637) according to article 17 of the Directive 2014/34/EU with the respective EC‐/EU‐type
examination certificate. Under atmospheric conditions (pressure: 80 to110 kPa(abs.), temperature: ‐20 to
+60⁰C) the flame arrestors according to the charts 1‐3 are suitable for protection against deflagration.
In case of a stabilized burning situation not limited by time and an operating pressure (p
the flame arrestors according to chart 1 are protected against endurance burning. Attention! The
protection against endurance burning refers exclusively to the existence of pure hydrocarbons. An
application extended to other chemicals requires another testing with these specific chemicals.
In case of a stabilized burning situation not limited by time and an operating pressure (p
the installation of at least one integrated temperature sensor on the unprotected side of the flame arrestor
in connection with activating an emergency function (e.g. interrupting or inerting an gas mixture) with
exceeding the operating temperature of ≥ 20K is obligatory. The maximum acceptable time of stabilized
burning is 1 minute.
The appropriate valid application limits are documented at delivery referring to the relevant EC‐/EU‐type
examination certificate in the respective inspection certificate according to EN10204. The CE marking of the
flame arrester documents the compliance with the safety and health requirements stated in the Directive
2014/34/EU "
Equipment and protective systems intended for use in potentially explosive atmospheres
the respective declaration of compliance.
The flame arrestors shall only be used when their material is resistant to mechanical and/or chemical
influences or corrosion under respective operating conditions so that the explosion prevention and
protection are not set aside. This is especially applicable to the crimped metal ribbon of the flame arrestors
whose safety against flame propagation may be put at risk by corrosion.
04/16
Type
p
0
[kPa(abs.)]
6A3Y6
160
6A3Z6
160
6A462
120
6A4E2
120
6A4F2
120
6A4P2
120
6A4Y2
120
6A562
120
6A5D2
120
6A5E2
120
6A5N2
120
6A5X2
120
6A642
120
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
IBExU13ATEX2123 X
60
5,00
60
6,25
60
7,50
60
10,0
60
12,5
60
15,0
) ≤110 kPa(abs.)
0
) >110 kPa(abs.)
0
" by
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