Operating Manual
5.3 Flushed Seal Arrangements
A flushed seal arrangement is fitted in order to
cool the seal area.
It is important that:-
- The flush is correctly connected.
(See overleaf).
-A compatible flushing fluid is used.
- The fluid is supplied at the correct
pressure and flow rate.
- The flush is turned on at the same time/
prior to starting the pump, and turned off
at the same time/after stopping the pump.
5.4 Connecting the Flush5
The following equipment is strongly
recommended when using a flushing system.
- Control valve and pressure gauge, to
enable the correct flushing pressure to be
obtained and monitored. (A constant flow
valve can be used).
- Isolation valve and check valve, so that
the flush can be turned off, and to stop
any unwanted substances flowing in the
wrong direction.
- A method of visibly indicating flushing
fluid flow e.g. using a tun dish.
17
