2 | Product Description
12 / 60
0870203597_NC0100-0300B_WCV_Ex_-0001_IM_en
2.7 Safety concept
WARNING
Misinterpretation of the ATEX instructions.
Risk of severe injury!
Risk of explosion!
• Make sure that the recommendations described in this manual correspond to the
ATEX marking written on the nameplate (NP).
• If anything needs to be clarified, please contact your Busch representative.
The safety concept is based on the prevention of sparks and excessive temperatures by
means of various accessories.
The monitoring devices must be integrated into the system control such that operation
of the machine will be inhibited if the safety limit values are exceeded.
2.7.1 ATEX Classifications and Associated Accessories
The following table defines the obligatory accessories depending on the ATEX classifica-
tion.
(i)
II 1G
c
IIB3 T4, T3
(o)
II 2G
c
IIB T4, T3
TSA+
/0102
PSA+/0301
ATEX
MOT IIC
ATEX
CPL
ECP
X
X
X
X
X
X
X
X
X
X
X
X
X
X
A
B
C
D
TSA+
/0103
ATEX
MOT IIB
(i)
II 1G
c
IIB3 T4, T3
(o)
II 2G
c
IIC T4, T3
X
X
X
SA+
/0701
X
X
X
X
X
MV
MV2
MV3
MV2
MV3
MV2
MV2
FS-/0501
FS+/0501
X
X
PS+/0301
X
X
X
E
F
(i) II 2G Ex h IIB T4, T3 Gb
(o) No ATEX zone
(i) II 3G Ex h IIC T4, T3 Gc
(o) II 3G Ex h IIB T4, T3 Gc
X
X
X
(i) II 2G Ex h IIB T4, T3 Gb
(o) II 2G Ex h IIB T4, T3 Gb
(i) II 2G Ex h IIB T4, T3 Gb
(o) II 2G Ex h IIC T4, T3 Gb
X
X
G
(i) II 3G Ex h IIC T4, T3 Gc
(o) II 3G Ex h IIC T4, T3 Gc
X
X
X
X
H
(i) II 3G Ex h IIB T4, T3 Gc
(o) No ATEX zone
FA
X
X
MV2
MV3
TSA+
/0101
X
X
X
X
X
X
X
X
X
(X)
(X)
(X)
PS-
/0302*
*
X
X
X
X
X
X
X
X
(X)
(X)
(X)
ATEX classification
(PS-/0302) and (FS+/0501) is only required if the machine
is equipped with gas lubricated double mechanical seals
*
(x) recommended
CPL
Coupling
ECP
Pump earth connection
FA
Flame arrester
FS
Flow switch
MOT
Motor (IIB or IIC)
MV
Solenoid valve
PSA
Pressure transmitter
PS
Pressure switch
SA
Vibration transmitter
TSA
Resistance thermometer
For direct cooling version:
The temperature class of the machine can be influenced by the thermostatic valve ad-
justment, see
Adjustment of the Thermostatic Valve (Direct Cooling Only) [
.
Содержание COBRA ATEX NC 0100-0300 B
Страница 58: ...Note ...
Страница 59: ...Note ...