Blagdon Pump X25 Manuale di servizio e operativo - Pagina 13

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In the event of diaphragm rupture, pumped material may
enter the air end of the pump, and be discharged into
the atmosphere. If pumping a product which is hazard-
ous or toxic, the air exhaust must be piped to an appro-
priate area for safe disposition.
This unit is supplied with a natural earth ground cable. This cable is 2
meters in length and permanently connected through a stud at one
end to the pump centre casting. The other end is free to connect to
the nearest available suitable point to provide a natural earth ground.
This must be done to reduce the risk of electro-static sparking.
Refer to table on Page 8 for details and relevant Part Numbers.
All models are certified as shown on page 1 of this manual.
Maximum temperature of fluid to be handled must be specified at time
of order. Pump must be marked with this information. For grounding
details see below.
Take action to prevent static sparking. Fire or
explosion can result, especially when handling
flammable
containers or other miscellaneous equipment must be
grounded.
HG-CF-1101 Rev. C – 19.05.06
Atex Certified Models
WARNING!
Grounding the pump :-
WARNING!
liquids.
The
pump,
piping,
T a k e
a c t i o n
to prevent static sparking. Fire or explosion can result,
especially when handling flammable liquids. The
pump,
miscellaneous equipment must be grounded.
When used for toxic or aggressive fluids, the pump
should always be flushed clean prior to disassembly.
User must ensure chemical compatibility, and any
pressure / temperature limits are not exceeded. These
instructions include all the information for relevant diaphragm temperature
limits. Pump temperature range can also be found on data-plate attached to
the pump.
If pump is not used for more than 5 days, care must be taken when restarting.
If in any doubt, remove pump from line and flush with a suitable cleaner.
Solidified deposits within the pump may cause damage to the diaphragms.
Before pump operation, inspect all gasketed fasteners for
looseness caused by gasket creep. Re-torque loose
fasteners to prevent leakage. Follow recommended
torques stated in this manual. In cases of excess vibra-
tion, Blagdon recommend fitting a Pulsation Dampener to
remove effects of pulse actions from pump operation. Flexible connections
can be used, but must be kept to a minimum length necessary to avoid sharp
flexing or straining movements.
This unit is supplied with a natural earth ground cable.
This cable is 2 meters in length and permanently con-
nected through a stud at one end to the pump centre
casting. The other end is free to connect to the nearest
valves,
available suitable point to provide a natural earth
ground. This must be done to reduce the risk of electro-
static sparking.
WARNING!
piping,
valves,
containers
WARNING!
CAUTION!
or
other
Page 13