3
X
M
These instructions must be followed as further
precautions to those already listed within the use
and service instruction manual.
The double diaphragm pumps series 2 and 4
are group II equipment, suitable to use in areas
classified with iresence of gas and vapour (Ca-
tegory 3G, group IIB). The pumps are designed
and manufactured to suit the rules ATEX 94/9/CE
and the European Rules: EN 1127-1, EN 13463-
1ed EN 13463-5.
Low pressure transfer double diaphragm pumps series 2 and 4.
for use of transfer low pressure double diaphragm pumps – series
Environment temperature: -10°C÷+50°C
Max. fluid temperature [°C]: 60°C
Max. air temperature [°C]: 30°C
Low pressure double diaphragm transfer pumps series 2 and 4.
TECHNICAL FEATURES
MARKING
DESCRIPTION FOR EXPLOSIVE AREAS
www.larius.com
12
LARIUS 2 - TRAnSfeR
ED. 07 - 09/2020 - Cod. 150146
II 2 G c IIB T4 T
amb
: -10°C ÷ + 50°C T
max.
fluido: 60°C Tech. File: LARIUS 2-4/ATEX/05
II = Group II ( surface)
2 = Category 2 (zone 1)
G = Explosion hazardous environment with presence of gas, fog and vapour
c = Manufacturing safety "c"
T6 = Class of temperature T5
- 20°C ÷ + 60°C Environment temperature
60°C Maximum fluid temperature
xxxx/AA Serial number xxxxx = PROGRESSIVE/ year = AA
DANGEROUS AREA CATEGORIES AS PER RULES94/9/CE
Gas, vapour or fog Zona 0 1G
Gas, vapour or fog Zona 1 2G or 1G
Gas, vapour or fog Zona 2 3G, 2G or 1G
LOW PRESSURE TRANSFER DOUBLE DIAPHRAGM PUMPS SERIE 2 LARIUS SERIE 4 LARIUS
Pressure ratio 1:1 1:1
Pump feeding air pressure [bar] 1÷7 2÷8
Pump feeding air inlet 1/4" GAS 1/4" GAS
Max. Fluid delivery [l/min.] 21 40
Max. Air consumption [l/min.] 120 190
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