3
10.01.2019
explosion-proof extraction arms
ERGO
-
L/Z-
{
2
;
3
;
4
}
/Ex
category 2
– the device should be constructed in such a way that it can work according to
the operational parameters, as appointed by manufacturer, providing high level of protec-
tion; devices of this category:
– are adapted for use in areas where occurrence of explosive atmosphere is possible –
area 1
(
G
) or
21
(
D
)
– are equipped with explosion protection measures – ensuring the required protection
level
– even in situation of frequent interferences or faults that are taken into account.
gas / dust hazard G
/
D
admissible
temperature
of the forwarded air
+70ºC
3. Reservations of Producer
A
.
Manufacturer accepts no liability
for any consequences following from the operational use
that is in contradiction to the purpose of application.
B
.
Installing of
any additional elements not belonging to the normal device structure (
or acces
-
sory set) is not acceptable.
C
.
Do not undertake
any structural changes or constructional modifications on the device on
one
’s own.
D
.
Protect the flexible elements and the duct segments from mechanical damage.
E
.
Prior to
installing
check the load carrying capacity
of the building structure
where the device
will be mounted. Unsure mounting could cause hazard to personnel/people in vicinity and
effect in damage of the device.
4. Technical Data
Ex extraction arms are manufactured in:
–
hanging version ERGO-L/Z-(2; 3; 4)/Ex
– diameter Ø160 mm
–
standing version ERGO-L/Z-(2; 3; 4)-R/Ex
– diameter Ø160 mm
Extraction arms are manufactured in three sizes: of maximum range 2m, 3m, 4m
Dimensions of the ERGO/Ex extraction arm:
Fig. No.1
– ERGO-L/Z … /Ex – Dimensions
No.
Type
Dimensions
Weight
[kg]
Dn
[mm]
L
[mm]
A
[mm]
B
[mm]
C
[mm]
1
ERGO-L/Z-2/Ex
160
2280
947
580
534
22,5
2
ERGO-L/Z-3/Ex
160
3100
1527
820
534
25,5
3
ERGO-L/Z-4/Ex
160
3710
1907
1050
534
28,0
