Installation
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Supplemental information on pneumatic material back pressure valve:
In order to ensure a safe mode of operation, a compressed air supply
with a low level of fluctuations is compulsory.
Pressure fluctuations have a direct impact on the control quality of
the material dynamic pressure valve.
The emergency shut-off for the compressed air must be realised
externally via the compressed air supply.
Route the compressed air hoses, so that no danger will result from the
loosening of the hose connection from the material back pressure
regulator or in case of line damages.
A pressure controller must be installed upstream the compressed air
feed to set the pilot air pressure.
The compressed air must be dry and oil-free to avoid any
accumulations of water and oil in the material back pressure
regulator. If this is not the case, make sure to install an oil and water
separator upstream the material back pressure regulator.
The pneumatic connection material must fulfil the requirements of the
operating pressure and of explosion protection.
Assembly and initial
start-up
Danger to personnel and to the equipment!
Only qualified specialist personnel may install the
equipment.
Do not immerse the equipment into the medium to be
conveyed.
The device must be checked for proper function and leaks
during and after the initial start-up. In case of a leak or of an
improper function, the initial start-up must be stopped. It is
not allowed to put the equipment into operation.
Choose location of installation, so that liquids penetrating in
case of a diaphragm rupture will not result in a hazard to
persons or property.
Choose the location of installation, so that the material back
pressure regulator will be protected against potential
impacts.
Do not use the equipment as a support for the piping
system.
Ensure that the system components are properly supported
to avoid stress on the equipment.
