FST3.1VK type compatible overfill prevention device
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Part no. 55 270 52
Replacement of the limit indicator in potentially explosive areas:
•
Installation for the respective EX protection zone is admissible for LPG operating medium
(extremely flammable) temperature classes T1 to T4 in accordance with EN 60079-0. This
includes group II, category 1 and 2 G (gas) devices.
•
The temperature of the potentially explosive atmosphere may not exceed or fall below the
range of -30°C to +70°C.
•
The pressure must not exceed 25bar.
•
The leak-tightness of the sensor within the probe tube may not be jeopardised.
Installation in potentially explosive areas!
Can cause explosions. Severe burns in case of direct skin contact.
There may not be any sources of ignition or other heat sources within a 5m area
around the tank equipment!
Only the following categories of (EX protected) devices may be used in potentially
explosive areas:
In zone 1: category 1 or category 2 devices.
Before carrying out installation, use a gas detector to check whether there is an
explosive mixture of more than 40% of the lower explosion limit around the tank
or in the dome.
Order no.
Limit indicator
dip length in
[mm]
Order no.
Limit indicator
dip length in
[mm]
Order no.
Limit indicator
dip length in
[mm]
55 228 14
180
55 228 20
290
55 228 05
470
55 228 08
190
55 228 00
310
55 228 02
480
55 228 25
200
55 228 06
330
55 228 28
500
55 228 16
210
55 228 10
340
55 228 18
510
55 228 07
220
55 228 04
360
55 228 13
525
55 228 03
250
55 228 26
365
55 228 30
530
55 228 17
260
55 228 27
400
55 228 29
550
55 228 21
265
55 228 11
420
55 228 09
580
55 228 19
270
55 228 01
450
55 228 32
673
55 228 23
275
55 228 24
460
55 228 31
828
55 228 15
280
55 228 12
465
55 228 22
965
Escaping LPG (category 1):
•
is extremely flammable,
•
can cause explosions,
•
severe burns in case of direct skin contact.
No smoking!
No open flames!
No sparking!
Keep ignition sources and electrical devices out of range!
Observe applicable laws and regulations!
Wear eye protection, safety goggles or face shields!
Wear work gloves!
The limit indicator can be replaced at tank pressure. The shut-off valve which closes when
replacing the limit indicator under tank pressure prevents gas leakage.
