Dover Almatec Quattroflow-QF4400 Series User manual

Version of April 2009
Page 1 of 16
User Manual
Quattroflow-QF4400 Series
4-Piston Diaphragm Pump
Pictures of a Quattroflow QF4400 Pump
Safety
These operating instructions contain precautions to be observed during installation,
operation and maintenance. Therefore, prior to mounting and commissioning, these
operating instructions must be read by the user and must always be available at the place
of installation.
Performance Data
The exact performance data applying to the pump are to be taken from the order data
sheet.
These Operating and Maintenance instructions contain information from the pump
manufacturer. They may need to be supplemented by instructions of the operator company
for its personnel.
ALMATEC Maschinenbau GmbH is constantly working on improvements of the pump.
Modifications of the design or materials might be done without prior notice.

Version of April 2009
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1. General
1.1 Appropriate Specification
1.2 Labelling of the Pump
2. Safety
2.1 Marking of precautions in the operating instructions
2.2 Personnel qualification and personnel training
2.3 Responsible working
2.4 Dangers in case of non-compliance with the safety precautions
2.5 Safety precautions fort the user and/or operator
2.6 Safety precautions for maintenance, inspection and mounting operations
2.7 Arbitraryreconstruction and spare part production
2.9 Attention! Warning precautions!
2.10 Attention! Safety precautions!
3. Description of the Quattroflow QF4400 Pump
3.1 Application and range of utilization of the Quattroflow QF4400 pump
3.2 Typical application of the Quattroflow QF4400 pump
3.3 Description of the function of the Quattroflow QF4400 pump
3.4 Start-up
4. Maintenance and servicing of the Quattroflow QF4400 pump
4.1 Dismount the pump chamber
4.2 Mount the pump chamber
4.3 Changing seals and diaphragms
4.4 Changing of the shaft bearing unit
5. Operating troubles, causes and remedial actions
5.1 Pump does not start
5.2 Pump does not prime
5.3 Delivery is not obtained
5.4 Pressure head is not obtained
5.5 Irregular pump delivery
5.6 Pump operates noisily
5.7 Pump is leaky
5.8 Motor gets to warm
6. Performance chart of the Quattroflow QF4400 pump
6.1 Diagram 1 Discharge as function of pump rpm
7. Technical data of the Quattroflow QF4400 pump

Version of April 2009
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1. General:
1.1 Appropriate specification
This User Manual is valid for the Quattroflow QF4400 pump
No liability will be undertaken for any damages caused by non-compliance with the operating
instructions and service conditions! Original spare parts serve safety purposes. The use of other
parts may cancel the liability for the consequences resulting there from.
Manufacturer: ALMATEC Maschinenbau GmbH
Carl-Friedrich-Gauss-Str. 5
D-47475 Kamp-Lintfort
Germany
Phone: [phone]
Fax: [phone]
e-mail: [email protected]
Internet: www.quattroflow.com
1.2 Labelling of the pump
The type label of each Quattroflow pump can be seen on the bottom of the base plate.
Besides the serial No of the pump head is punshed in, at the front cover.

Version of April 2009
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2. Safety
The operating instructions are recommended to be followed during installation, operation and maintenance.
Prior to mounting and commissioning, the operating instructions must be followed by authorized personnel.
The manual should be kept with the pump for future reference. The general safety warnings in Section 2
“Safety” are to be observed, in addition to the safety procedures for the user’s site.
2.1 Warning Symbols
If the safety warnings contained in the operating instructions are not followed, this may result in danger to
personnel or surroundings. The following symbols indicate the necessary precaution for the particular hazard.
Danger Warning:
Safety sign according to DIN 4844 - W 9
Electrical Shock Warning:
Safety sign according to DIN 4844 – W8
Safety procedures that are not followed may cause danger to the pump itself or to parts of the system are
marked with the word or indication: ATTENTION!
●Pmax 8bar
●Direction of flow
●Removing or damaging warning labels and signs is prohibited
2.2 Precautions for maintenance, inspection, mounting and operation
The customer shall see to it that all maintenance, inspection and mounting operations are performed by
authorized and qualified personnel. Pump maintenance should be performed only when the pump is stopped
and power is disconnected. Pumps handling hazardous materials must be decontaminated.
2.3 Operator’s Responsibility
Please follow the safety procedures provided by operator’s site or facility. For example, material handling,
hazardous materials, biological materials, handling of tubing, piping, instrumentation, and fittings.
2.4 Non-compliance of safety warnings
Failure to follow safety precautions may cause danger to personnel, equipment and environment. Such as:
Failure of the proper function of the pump/system.
Danger to personnel by electrical, mechanical, chemical, biological impacts.
Danger to equipment and environment

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2.5 Safety precautions for the operation
Protective measures should be observed while processing hot fluids (i.e. CIP or SIP).
Removing protecting covers of moving parts is prohibited.
Hazardous material spills must be handled in accordance to local codes and procedures
2.6 Safety precautions for maintenance, inspection and mounting operations
The customer should verify that all maintenance, inspection and mounting operations are performed by
authorized and qualified personnel.
Maintenance and service of the pump must be performed while the pump is stopped.
Pumps or aggregates handling hazardous fluids must be decontaminated.
2.7 Arbitrary reconstruction and spare part construction
Reconstruction of or changes to the machine are only admissible after consultation with the manufacturer.
Original spare parts and accessories authorized by the manufacturer serve safety purposes. The use of other
parts may cancel the liability for the consequences resulting here from.
2.8 Inadmissible modes of operation
The operating safety of the machine supplied is only ensured with due application according to the operating
instructions. Do not exceed the limit values given in the data sheet.

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2.9 Attention! Warning precautions!
These warning precautions are to prevent the user from an inadmissible
mode of operation. These warning precautions are to be strictly followed
to avoid any damage of the pump and/or any danger to personnel.
Diaphragm pumps are positive displacement pumps and can theoretically generate an infinitely
high pressure. With the discharge line closed, for example by clogging or by incidental closing of
a valve, the pressure generated by the pump may reach a multiple of the admissible pressure of
the plant. This may lead to bursting of the diaphragm or lines which must be absolutely avoided especially when
handling dangerous products.
Diameter of the suction line need to be sufficient to avoid cavitation.
The use of a safety device (i.e. pressure switch) can be necessary.
Please make sure that prior to the start of the pump the discharge line is checked. Make sure that there is
no flow restriction in the discharge line to avoid any over pressure (i.e. closed valve).
Check all seals (i.e. TC clamps) before starting the pump.
The maximum discharge pressure depends on the temperature of the fluid.
Pmax at room temperature = 8 bar
Pmax at 90° C = 3 bar
Please allow the pump to cool down after heat treatment (i.e. CIP / SIP).
Flush the pump prior to use with appropriate fluid (i.e. buffer)
Foundation design: The foundation must be designed so that it can take the weight of the pump
aggregate on the entire surface.
Please make sure that the pump is operated with the proper mains voltage and frequency to avoid
damages and electrical danger.
Make sure that the slots for the cooling air are not blocked.
Due to the versatile possibilities to use the Quattroflow QF4400 pump it is highly
recommended to check case by case if the Quattroflow QF4400 pump will be the right tool
for the specific application. The user/operator is responsible to perform a proper method of
testing if the pump should be applied for his specific application.
The chemical and thermal compatibility of the elastomeric parts of the pump with the fluid that will be pumped
are to be checked by the operator before the first process run.
For example, oily, fatty fluids or solvents might cause a swelling and/or destruction of the elastomers.
If in doubt, please contact the manufacturer!
Operating the pump in humid or aggressive air cancause damages to the motor and control box..
the control box should not be exposed to spray/splash water or to heat sources
If the Quattroflow QF4400 pump is to be used under rough conditions (i.e. high-pressure cleaners, exposed to
sea water), the manufacturer can supply special equipment, like motors and controls.

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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 QF4400 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 QF4400 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 (approximately 100-500 ml) 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 QF4400 must not be operated in ATEX zones.
Please contact the manufacturer in case the Quattroflow QF4400 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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3. Description of the Quattroflow QF4400 pump
3.1 Application and range of utilization of the Quattroflow QF4400 pump
The Quattroflow QF4400 is a 4-piston Diaphragm pump, which is mainly used to pump water-like fluids that
are typically handled in research, pilot plant or production facilities of the pharmaceutical, biotech, food or
cosmetic research centres or plants.
Typical examples of these fluids:
Solutions containing proteins (albumin, IgG, Clotting factors, monoclonal antibodies, enzymes,
vaccines.)
Solutions of polymers or suspensions (silicones, latex, chromatography media)
Cell suspensions (bacteria, yeast, algae, fungi, mammalian cells)
colloidal solutions
Suspensions of viruses or phages
Dairy products
Gelatin
Supplements and ingredients for cosmetic and food.
3.2 Typical process steps in which the Quattroflow QF4400 pump is used
Filtration technology
To recirculate feed/retentate (i.e. membrane cassettes, hollow fibre, spiral wound, ceramic elements.
Feed pump for filter cartridges or plate and frame depth filters
Chromatography:
Packing of chromatography columns
Feed pump to mix gradients
Feed pump for centrifuges or separators
Feed pump for homogenizers
Feed pump for filling machines
3.3 Discription of the working princaple Quattroflow QF4400
The Quattroflow QF4400 pump is a 4-piston diaphragm pump. The 4 segments of the pump diaphragm
oscillate back and forth. This alternate movement is created by a nutation disc that is arranged on a ball
bearing. The ball bearing sits on an eccentric shaft. The nutation disc does not turn!
The stroke of the pistons is determined by the angle of the 6° eccenter shaft.
Range of flow rate: appr. 100 -5.000 L/hr
The drive = motor + control needs to be choosen according to application.
Please note:
The direction of flow can be adjusted by turning the pump chamber in 90° steps.
The Quattroflow QF4400 is self-priming and can run dry. Inside the pump chamber there are no rotating
parts that might cause heating up of the product or shed particles.
The pump-motor unit is mounted on a stainless steel base plate. In case that the pump will not be mounted on
the base plate but in a frame or any other base measures have to be taken that there will be a proper
alignment of the motor and the pump.

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3.4 Start-Up
Prior to leaving our factory all pumps are subjected to a leakage and performance test. Only properly
operating pumps leave the factory achieving the performances assured by us. It is possible that there will be a
few milliliters of water inside the pump.
Prior to each use we recommend flushing the pump with a proper fluid (i.e. water or buffer)
Prior to the very first use it might make sense to clean and sanitize the pump chamber. A commercial caustic
cleaner and/or 0.5 to 1 mol of NaOH can be used. The chosen cleaning agent can be recirculated and also
stored inside the pump chamber.
For flushing out of any cleaning agent do not recirculate! Check with appropriate analytical methods the
success of the flushing procedure.
Recommendation: Test run prior first use!
Before using your pump in your process (for example as recirculation pump in a TFF
system) perform a test run to get used to the specific properties of the pump.
Please note:
ALMATEC Maschinenbau GmbH is also building custom-made pumps and set-ups. These modified pumps
can be different from this one that is described in here. However the basic information is applicable to all of
the Quattroflow QF4400 Series pumps.
Please do not hesitate to contact us for further information:
ALMATEC Maschinenbau GmbH
Carl-Friedrich-Gauss-Str. 5
D-47475 Kamp-Lintfort
Germany
Phone: [phone]
Fax: [phone]
e-mail: [email protected]
Internet: www.quattroflow.com

Version of April 2009
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4. Maintenance/Servicing of the Quattroflow QF4400 pump
Due to the robust construction the Quattroflow QF4400 pump requires only little and easy- to-do maintenance.
The ball bearings do not need any extra lubrication.
The diaphragm and the valves are wear parts. These should be checked and if needed be changed once the
performance of the pump decreases.
If the diaphragm breaks, it needs to be replaced. It is recommended to check the ball bearings, replace the
ball bearings if the ball bearings are hard to turn or are noisy during operation.
Attention! Safety precautions!
After purging the pump with air there might be a small residual amount of
fluid inside the pump chamber.
Flush the pump chamber thoroughly and check the rinse fluid.
P
h
ousing!
lease follow the general guidelines and safety precautions when
andling with chemicals.
Disconnect mains supply before opening the pump h
The dismounting and mounting of the pump should be done on a rigid
table or work bench. Please note: the pump is heavy.