Dover ALMATEC Quattroflow QF5050 Series Manuale d'uso - Pagina 7
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Version of April 2012
2.10 Attention! Safety Precautions!
The following safety precautions notify you of the potential of bodily harm or life
danger of the user/operators!
Please read and follow the safety precautions and warnings to avoid any risk of bodily harm, life
danger and/or the damage of equipment.
Please keep this User Manual available. Make sure that the operators of the pump have read and
understood the User Manual. A training session might be appropriate.
We recommend installing specific warning labels at the system.
Disconnect mains before doing any maintenance!
The housing of the control box is to be opened only by skilled personnel.
Check the electrical cables before connecting to mains supply.
The Quattroflow QF5050 is a positive displacement pump and can theoretically generate an infinitely
high pressure even at low speed (rpm). Prior to each start of the pump check and make sure that the
discharge line is not closed or restricted. The design of the discharge line must not build up a
pressure of >8 bar.
If suction and/or discharge line are flexible tubing, then make sure that these tubing does have the
proper pressure rating for the full range of temperatures that are applied.
Pmax = 8 bar, Do not exceed! Warning Label: p max: 8 bar! Do not
remove!
If the maximum pressure is exceeded it can happen that the diaphragm of the pump will burst.
In this case the fluid will come out of the pump and can cause a danger for the personnel and/or
environment (i.e. caustic cleaner).
The Quattroflow QF5050 pump can pump air which means that most of the fluid inside the pump chamber will
be pump out. However there will be a residual amount of fluid inside the pump chamber that should be flushed
out of the pump before the pump will be opened.
Please follow the general safety guidelines when handling chemical fluids (wear gloves and/or
glasses) before the pump chamber will be opened.
Never operate the pump without coupling and motor housing.
The foundation must be designed so that it can take the weight of the pump on the entire surface.
The Quattroflow QF5050 must not be operated in ATEX zones.
Please contact the manufacturer in case the Quattroflow QF5050 pump needs to be modified
for ATEX applications.
ALMATEC Maschinenbau GmbH
Attention! Inadmissible modes of operation, arbitrary reconstruction, spare parts production and/or
any changes of the design (without admission of the manufacturer) may cancel the liability for the
consequences resulting there from.
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