8.1 Installing hose lines
8.1.1
Installation with metering pumps without degassing
CAUTION!
Warning of feed chemical spraying around
The pipes can become loose or rupture if they are
not installed correctly.
– Route all hose lines so they are free from
mechanical stresses and kinks.
–
Only use original hoses with the specified hose
dimensions and wall thicknesses.
– Only use clamp rings and hose sleeves that
are intended for the hose diameter in question
to ensure the long service life of the connec‐
tions.
CAUTION!
Danger from rupturing hydraulic components
Hydraulic components can rupture if the maximum
permissible operating pressure is exceeded.
– Always adhere to the maximum permissible
operating pressure of all hydraulic components
- please refer to the product-specific operating
instructions and system documentation.
–
Never allow the metering pump to run against
a closed shut-off device.
– Install a relief valve.
CAUTION!
Hazardous feed chemicals can escape
Hazardous or extremely aggressive feed chemicals
can escape outside when using conventional
degassing procedures with metering pumps.
– Install a degassing line with return line into the
supply tank.
CAUTION!
Hazardous feed chemicals can escape
Hazardous or extremely aggressive feed chemicals
can escape outside in the event that the metering
pump is removed from the installation.
– Install a shut-off valve on the discharge and
suction side of the metering pump.
CAUTION!
Uncontrolled flow of feed chemical
Feed chemical may press through a stopped
metering pump if there is back pressure.
– Use an injection valve or a vacuum breaker.
Safety information
Installation, hydraulic
33
DosingPump.ir
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