The machine which incorporates the pump must always be provided with the safety devices
If the safety valve cuts in repeatedly, immediately stop operation of the machine, which
incorporates the pump, and have it tested by a
Any drainage from the safety valve must not leak into the environment.
Should the protection of the pump shaft break or be damaged, the machine which incorporates
the pump must not be used until it has been tested by a
Do not place hands or feet on the pump shaft protection.
This is standard for certain versions and is available as an optional accessory for others.
It is an appropriately calibrated, maximum pressure valve that discharges excess pressure should
any anomaly occur in the pressure adjustment system.
This is standard for certain versions and is available as an optional accessory for others.
It is to prevent the operator from coming into contact with the moving parts of the pump shaft.
c) Pressure limit/adjustment valve
This is standard for certain versions and is available as an optional accessory for others.
This valve enables the adjustment of the operating pressure and permits the pumped uid to return
to the by-pass duct, thus preventing the creation of dangerous levels of pressure when delivery is
closed or should pressure be set that is above permitted levels.
If a pressure limit/adjustment valve has devices to intercept/distribute the pumped liquid (e.g. taps),
. In this manual, the term
pressure limit/adjustment valve and the pump control unit.
The identi cation label (18) contains the serial number and the main technical speci cations for
the pump: version, maximum delivery (at 0 bar/0 psi), delivery at maximum pressure, maximum
pressure, and maximum speed of rotation.
The adhesive identi cation label is located in a visible position on the pump.
If the identi cation label deteriorates during use, contact your dealer or an authorised service
centre so they can be replaced.
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