Depa DH50-FA - 3.11 Equipotential Bonding and Earthing; 3.13 Exhaust Air Routing

22
DEPA
®
Air Operated Diaphragm Pumps
Fig. 5: Earthing screw
3.13 Routing of exhaust air
Themuerpermanentlydischarges
relieved compressed air. This air can whirl
updustandthusgenerateanexplosive
atmosphere.
Forpumpsusedinpotentiallyexplosive
areas of category 1 discharging the waste
air out of zone 0 is mandatory (See Section
10 Page 44).
3.14 Installation instructions for
incomplete machines
(2006/42/EC, Append. VI)
For the installation of DEPA Air Operated
Diaphragm Pumps without air control, Type
DJ/DH*, the following conditions must be
fullledsothatthepumpcanbecorrectlyas-
sembled to other components to a complete
machine,withoutaectingthehealthand
safety of persons:
Valvesprovidedbythecustomerhastobe
accordingtothefollowingspecication::
1.Airowrate:: DJ/DH*15-40: 80Nm³/h
(approx.1350Nl/min)
2. Operating pressure: 1…8,6 bar
3.10 Pump on drum
DEPA pumps of type DF can be directly
mounted on drums or containers. For simple
emptying mount the pump with an adapter
on the container. Complete emptying of the
container requires the use of a suction pipe
with adapted length.
3.11 Equipotential bonding / earthing
In principle, pumps and accessories must
be earthed or provided with equipotential
bonding if there is the possibility of product
specicelectro-staticchargingandwhen
usedinpotentiallyexplosiveareas.Pumps
and pulsation dampers with ATEX-approval
arethereforettedwithanearthingscrew
(Fig. 6). See also page 42 for category 1
pumps and accessories.
3.12 Vibration distance
Wheninstallingthepumpensureasucient
distance (DL15 to DL40 of at least 5 cm;
DL50 and DL80 of at least 10 cm) between
pumpandothercomponents,exceptthe
connections.
Sechskantschraube -Messing
Sechskantmutter -Messing
Unterlegscheibe -Messing
Flügelmutter -Messing
Erdungsschild
Splint
5
"X"
Ansicht "X"
View "X"
Split pin
Wing nut - brass
Earthing plate
Washer - brass
Hexagonnut-brass
Hexagonscrew-brass