Larius 4, Instruction Manual

Page: 17 / 20

Edit. 002 - 06/2019
www.larius.eu
LARIUS 4
17
L
M
saFetY INstrUCtIOINs
FOr ONstaLLatIONs IN
HaZarDOUs areas
Before proceeding with the installation ca-
refully read the use and service manual. all
the service operations must be carried out
as stated in the manual.
• The low pressure double diaphragm transfer pumps
series 2 and 4 must be connected to the ground with a
suitable connector anti-release and anti-rotation.
• Gas and vapour of flammable liquids must belong to the
group IIB and compatible with class temperature T4.
• According with the nature of the operations and products,
the operator must regularly check the presence of de-
posit, the cleaning, the wearing and the correct pump’s
functioning.
• It is advisable that a filter will be placed at the suction of
the material to prevent solid parts entering the pump.
• The pipes used to connect suction and delivery must
be metallic, or plastic with metallic braid or plastic with
fabric braid with suitable earthing cable.
• According to duties it is recommended the control of
diaphragms and replacement.
• The air feeling the pump needs to be filtered and origi -
nated by a safe area.
the low pressure double diaphragm transfer
pumps series 2 and 4 must not work empty
of material.
all the operations, installation and service,
must be carried out by qualified operators.
eXaMpLe OF INstaLLatION
The picture shows a typical example of installation of a Larius
double diaphragm pump.
Relation between hazardous areas, products and categories
CateGOrIes as per rULes
94/9/Ce
Gas, vapour or fog
Gas, vapour or fog
Gas, vapour or fog
1G
2G or 1G
3G, 2G or 1G
DaNGerOUs area
Zone 0
Zone 1
Zone 2