Installing Hose Lines; Installation Of Metering Pumps Without Bleed Valve - ProMinent Beta b BT4b Series Operating Instructions Manual

8.1 Installing hose lines

8.1.1 Installation of metering pumps without bleed valve

Safety information
CAUTION!
Warning of feed chemical spraying around
The pipes can loosen or rupture if they are not installed
correctly.
– Route all hose lines so they are free from mechan‐
ical stresses and kinks.
– Only use original hoses with the specified hose
dimensions and wall thicknesses.
– Only use clamp rings and hose nozzles that are
intended for the hose diameter in question to ensure
the long service life of the connections.
CAUTION!
Danger from rupturing hydraulic components
Hydraulic components can rupture if the maximum per‐
missible operating pressure is exceeded.
– Always adhere to the maximum permissible oper‐
ating 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
leak out when using conventional bleeding procedures
with metering pumps.
– Install a bleed line with return line into the storage
tank.
CAUTION!
Hazardous feed chemicals can escape
Hazardous or extremely aggressive feed chemicals can
leak out in the event that the metering pump is removed
from the installation.
– Install a shut-off valve on the pressure and dis‐
charge side of the metering pump.
CAUTION!
Uncontrolled flow of feed chemical
Feed chemical can press through a stopped metering
pump if there is back pressure.
– Use an injection valve or a vacuum breaker.
Installation, hydraulic
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