EN
1.
2.
This status must remain until the paint system has been accepted as clean and
contaminant free.
If circulating system pressure testing is carried out with the back pressure regulator in
circuit, the fluid test pressure must not exceed 25 bar and the back pressure valve must
‘be unloaded’ have no spring pressure (or air pressure) acting on the diaphragm.
When the paint pipework is to be flushed with the back pressure regulator installed, the
back pressure regulator must not have any spring pressure (or air pressure) acting on
the diaphragm.
Before attempting any maintenance ensure that all relevant directions for working safety are
followed.
Installation
Note:
The back pressure regulator is tested with demineralised water, therefore the fluid chamber
should be flushed with suitable material prior to use.
77-3247 R2.2
8/16
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