Clarke 7230330 Manual de instrucciones de uso y mantenimiento - Página 7
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The performance of your pump will be affected by the diameter of the inlet
pipe - any restriction will greatly reduce the flow. We recommend that you
always use a pipe diameter at least equal to, or greater than the diameter of
the pump connections.
To prevent unnecessary strain ensure that adequate support is provided to the
hoses and pipes. They will be considerably heavier when filled with water.
It is suggested that suction and delivery isolation valves are fitted in order to
isolate the pump. A gate valve may be installed in-line on the delivery side of
the pump which can be adjusted as required to regulate the flow of water
and can assist in priming the pump.
Protect the pump and pipework from freezing with the addition of suitable
lagging. The formation of ice may cause serious damage.
SUCTION LIFT OR GRAVITY FEED
The diagrams illustrate possible
methods of pipework installation.
It is possible to draw water from a
sunken pool or well providing the
suction lift does not exceed the
distance specified for your pump.
• The suction lift i.e. the vertical
distance between the water
level and the pump should not
exceed 8 metres.
When suction lift is used to draw
water into the pump it is essential that
all connections and hoses are
completely air tight, otherwise the
system will not work.
However, the pump may be gravity
fed, that is, drawing water from an
above ground tank.
A foot valve/filter should be fitted to
the lower end of the suction hose, (as
illustrated), to help retain water in the
suction system. Remember.... this is
NOT a self priming pump.
Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
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