OPERATING INSTRUCTIONS
EN
MVP 160-3
Diaphragm pump
Translation of the Original
Dear Customer,
Thank you for choosing a Pfeiffer Vacuum product. Your new diaphragm pump should
support you in your individual application with full performance and without malfunctions. The
name Pfeiffer Vacuum stands for high-quality vacuum technology, a comprehensive and
complete range of top-quality products and first-class service. From this extensive, practical
experience we have gained a large volume of information that can contribute to efficient
deployment and to your personal safety.
In the knowledge that our product must avoid consuming work output, we trust that our
product can offer you a solution that supports you in the effective and trouble-free
implementation of your individual application.
Please read these operating instructions before putting your product into operation for the
first time. If you have any questions or suggestions, please feel free to contact info@pfeiffer-
vacuum.de.
Further operating instructions from Pfeiffer Vacuum can be found in the Download Center on
our website.
Disclaimer of liability
These operating instructions describe all models and variants of your product. Note that your
product may not be equipped with all features described in this document. Pfeiffer Vacuum
constantly adapts its products to the latest state of the art without prior notice. Please take
into account that online operating instructions can deviate from the printed operating
instructions supplied with your product.
Furthermore, Pfeiffer Vacuum assumes no responsibility or liability for damage resulting from
the use of the product that contradicts its proper use or is explicitly defined as foreseeable
misuse.
Copyright
This document is the intellectual property of Pfeiffer Vacuum and all contents of this
document are protected by copyright. They may not be copied, altered, reproduced or
published without the prior written permission of Pfeiffer Vacuum.
We reserve the right to make changes to the technical data and information in this document.
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Table of contents
1 About this manual 7
1.1 Validity 7
1.2 Target group 7
1.3 Conventions 7
2 Safety 9
2.1 General safety instructions 9
2.2 Safety instructions 9
2.3 Safety precautions 10
2.4 Usage limits of the vacuum pump 11
2.5 Proper use 11
2.6 Foreseeable improper use 12
Table of contents
1.1.1 Related documents 7
1.1.2 Variants 7
1.3.1 Instructions in the text 7
1.3.2 Pictographs 8
1.3.3 Stickers on the product 8
1.3.4 Abbreviations 8
3 Transportation and Storage 13
3.1 Transporting the vacuum pump 13
3.2 Storing the vacuum pump 13
4 Product description 14
4.1 Identifying the product 14
4.2 Shipment 14
4.3 Vacuum pump design and function 14
5 Installation 15
5.1 Installing the vacuum pump 15
5.2 Connecting the pumping stages 15
5.3 Connecting the vacuum side 16
5.4 Connecting the exhaust side 16
5.5 Establishing an electrical connection 17
6 Operation 18
6.1 Switching on and operating the vacuum pump 18
6.2 Switching off the vacuum pump 19
7 Decommissioning the vacuum pump for long periods 20
8 Maintenance 21
8.1 General 21
8.2 Maintenance intervals 21
8.3 Dismantling the distributor 21
8.4 Disassembling the diaphragm head 22
8.5 Checking and replacing parts 23
8.6 Cleaning contaminated parts 24
8.7 Replacing the diaphragm 24
8.8 Replacing the valves 26
8.9 Installing the diaphragm head 27
8.10 Installing the distributor 28
8.11 Checking vacuum pump function 28
9 Troubleshooting 30
10 Service solutions from Pfeiffer Vacuum 32
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Table of contents
11 Spare parts 34
12 Accessories 35
13 Technical data and dimensions 36
13.1 General 36
13.2 Substances in contact with the media 36
13.3 Technical data 37
13.4 Dimensions 38
13.5 Characteristics 38
Declaration of conformity 40
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List of tables
Tbl. 1: Abbreviations used in this document 8
Tbl. 2: Usage limits of the vacuum pump 11
Tbl. 3: Typical life with normal use 21
Tbl. 4: Diaphragm attachments 24
Tbl. 5: Troubleshooting 31
Tbl. 6: MVP 160-3 spare parts list 34
Tbl. 7: Accessories 35
Tbl. 8: Conversion table: Pressure units 36
Tbl. 9: Conversion table: Units for gas throughput 36
Tbl. 10: Materials that make contact with the process media 37
Tbl. 11: Technical data, MVP 160-3 37
List of tables
5/42
List of figures
List of figures
Fig. 1: MVP 160-3 14
Fig. 2: IN and EX connections on diaphragm heads 15
Fig. 3: Distributor: Intake side distributor (left) and pressure side distributor (right) 16
Fig. 4: Connection diagram: MVP 160-3 with single phase AC motor 17
Fig. 5: Mains switch 19
Fig. 6: Mains switch 19
Fig. 7: Loosen the compression couplings on the diaphragm head 22
Fig. 8: Dismantling both distributors 22
Fig. 9: Disconnecting diaphragm head 23
Fig. 10: Disassembling the diaphragm head 23
Fig. 11: Diaphragm key (accessory) 25
Fig. 12: Diaphragm key with inlaid diaphragm parts 25
Fig. 13: Diaphragm and associated parts 25
Fig. 14: Correct positioning of valves in diaphragm head 26
Fig. 15: Valves 26
Fig. 16: Installing the diaphragm head 27
Fig. 17: Secure diaphragm head 27
Fig. 18: Install both distributors 28
Fig. 19: Screw couplings on diaphragm head 28
Fig. 20: Dimensions in mm 38
Fig. 21: Air pumping speed at 50 Hz 38
Fig. 22: Air pumping speed at 60 Hz 39
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1 About this manual
IMPORTANT
Read carefully before use.
Keep the manual for future consultation.
1.1 Validity
These operating instructions are for customers of Pfeiffer Vacuum. They describe the function of the
designated product and provide the most important information for safe usage of the product. The descriptions comply with applicable directives. All information provided in these operating instructions refer
to the current development status of the product. The documentation remains valid as long as the customer does not modify the product in any way.
1.1.1 Related documents
Designation Document
Declaration of conformity A component of these instructions
Current documents are available from the Pfeiffer Vacuum Download Center.
About this manual
1.1.2 Variants
These operating instructions apply to the diaphragm pump with the following part number:
Part number Designation
PK T01 400 MVP 160-3
1.2 Target group
This operating instructions are aimed at all persons performing the following activities on the product:
●
transport,
●
setup (installation),
●
usage and operation,
●
decommissioning,
●
maintenance and cleaning,
●
storage or disposal.
The work described in this document is only permitted to be performed by persons with the appropriate
technical qualifications (expert personnel) or who have received the relevant training from Pfeiffer Vacuum.
1.3 Conventions
1.3.1 Instructions in the text
Usage instructions in the document follow a general structure that is complete in itself. The required action is indicated by an individual step or multi-part action steps.
Individual action step
A horizontal, solid triangle indicates the only step in an action.
►
This is an individual action step.
Sequence of multi-part action steps
The numerical list indicates an action with multiple necessary steps.
1. Step 1
2. Step 2
3. ...
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About this manual
1.3.2 Pictographs
Pictographs used in the document indicate useful information.
Note
Tip
1.3.3 Stickers on the product
This section describes all the stickers on the product along with their meaning.
Rating plate
The rating plate is located on the housing panel.
1.3.4 Abbreviations
Abbreviation Meaning in this document
DN Nominal diameter (from the French: diamètre nominal)
FPM Fluoropolymer rubber
MVP Diaphragm vacuum pump
NN Mean sea level
PA Polyamide
PE Earthed conductor (protective earth)
WAF width across flats
Tbl. 1: Abbreviations used in this document
General warning sign
The label provides a general warning of potential hazards, in this case
in relation to the hot surfaces warning.
Warning of hot surfaces
The label warns of hot surfaces during operation or immediately after
switching off the vacuum pump.
Polyethylene
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2 Safety
2.1 General safety instructions
This document includes the following four risk levels and one information level.
DANGER
Imminent danger
Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
►
Instructions on avoiding the hazardous situation
WARNING
Possibly imminent danger
Indicates a hazardous situation which, if not avoided, could result in death or serious injury.
►
Instructions on avoiding the hazardous situation
CAUTION
Possibly imminent danger
Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
►
Instructions on avoiding the hazardous situation
Safety
Danger of property damage
Notice is used to address practices not related to physical injury.
►
Instructions on avoiding property damage
Notes, tips or examples indicate important information on the product or on this document.
2.2 Safety instructions
All safety instructions in this document are based on the results of the risk assessment carried out in
accordance with Machinery Directive 2006/42/EC Annex I and EN ISO 12100 Section 5. As far as applicable, all unit life cycle phases have been considered.
Risks during transport
WARNING
Danger of serious injury due to falling objects
Due to falling objects there is a risk of injuries to limbs through to broken bones.
►
Take particular care and pay special attention when transporting products manually.
►
Do not stack the products.
►
Wear protective equipment, e.g. safety shoes.
NOTICE
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Safety
Risks during installation
DANGER
Risk to life due to electric shock
An improperly earthed unit is a potential threat to life in the event of a fault.
►
Conduct the electrical connection in accordance with locally applicable regulations.
►
Make sure that the local mains voltage and frequency match rating plate specifications.
►
Use only a 3-pin mains cable and extension cables with properly connected protective earthing
(earthed conductor).
►
Plug the mains plug into a socket with earthing contact only.
–
Protection must not be impaired by an extension with no earthed conductor.
►
Always connect the mains cable prior to all other cables, to ensure continuous protective earthing.
–
In reverse: always disconnect all other cables prior to disconnecting the mains cable.
CAUTION
Risk of injury from bursting due to high pressure in the exhaust line
Faulty or insufficient exhaust lines cause hazardous situations, e.g. increase in exhaust pressure.
There is a risk of bursting. It is not possible to rule out the risk of injuries due to broken pieces flying
around, high escaping pressure and damage to the equipment.
►
Lay the exhaust line without shut-off units.
►
Observe the permissible pressures and pressure differentials of the product.
►
Check the exhaust line regularly for correct function.
Risks during operation
WARNING
Danger of poisoning due to emission of toxic process gases from the exhaust
During operation with no exhaust line, the vacuum pump allows exhaust gases and vapors to escape
freely into the air. In processes involving toxic media, there is a risk of injury and danger to life due to
poisoning.
►
Observe the relevant regulations for handling toxic substances.
►
Safely purge toxic process gases via an exhaust line.
►
Use suitable filter equipment to separate toxic substances.
WARNING
Risk of burns on hot surfaces
During vacuum pump operation, exposed surfaces reach high temperatures. There is a risk of burning.
►
Allow the vacuum pump to cool down before carrying out any work.
►
Wear protective gloves (in accordance with EN 420).
Risks during maintenance
WARNING
Risk of burns on hot surfaces
During vacuum pump operation, exposed surfaces reach high temperatures. There is a risk of burning.
►
Allow the vacuum pump to cool down before carrying out any work.
►
Wear protective gloves (in accordance with EN 420).
2.3 Safety precautions
The product is designed according to the latest technology and recognized safety engineering rules.
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Safety
Nevertheless, improper use can result in danger to operator all third party life and limb, and product
damage and additional property damage.
Duty to provide information on potential dangers
The product holder or user is obliged to make all operating personnel aware of dangers
posed by this product.
Every person who is involved in the installation, operation or maintenance of the product
must read, understand, and adhere to the safety-related parts of this document.
Infringement of conformity due to modifications to the product
The Declaration of Conformity from the manufacturer is no longer valid if the operator
changes the original product or installs additional equipment.
●
Following installation into a system, the operator is required to check and re-evaluate
as necessary the conformity of the overall system in the context of the relevant European Directives before commissioning that system.
General safety precautions for working with the vacuum pump
►
Observe all applicable safety and accident prevention regulations.
►
Check that all safety measures are observed at regular intervals.
►
Do not expose body parts to the vacuum.
►
Always ensure a secure connection to the earthed conductor (PE).
►
Never disconnect plug connections during operation.
►
Observe the above shutdown procedures.
►
Keep lines and cables away from hot surfaces (> 70 °C).
►
Never fill or operate the unit with cleaning agents or cleaning agent residues.
►
Do not carry out your own conversions or modifications on the unit.
►
Observe the unit protection class prior to installation or operation in other environments.
►
Observe statutory and local regulations regarding solvents handling.
►
Never operate an open or faulty unit.
►
Before carrying out any maintenance, first allow the unit to cool and disconnect it from the vacuum
equipment.
►
Disconnect the vacuum pump from the mains prior to every intervention, and wait an additional
five seconds until the capacitors have discharged.
►
Implement suitable safety precautions where unintentional vacuum pump venting can cause hazards.
–
Power failures can cause unintentional venting.
2.4 Usage limits of the vacuum pump
Operations condition, status Intake pressure Permissible gas temperature range
Continuous operation > 100 hPa (high gas load) +10°C to +40°C
Continuous operation < 100 hPa (low gas load) 0°C to +60°C *
Short-term (< 5 minutes) < 100 hPa (low gas load) -10°C to +80°C *
Tbl. 2: Usage limits of the vacuum pump
2.5 Proper use
●
The vacuum pump may only be used for vacuum generation.
●
It is not permissible to operate the vacuum pump with accessories not recommended by Pfeiffer Vacuum.
●
Always observe installation, commissioning, operating, and maintenance instructions.
11/42
Safety
2.6 Foreseeable improper use
Improper use of the product invalidates all warranty and liability claims. Improper use is any, even unintended, use, which is contrary to the product purpose; and in particular:
●
Pumping of corrosive media
●
Pumping explosive media
●
Pumping corrosive, explosive, radioactive, or volatile media
●
Pumping of gases that introduce an ignition source to the suction chamber
●
Pumping of gases that contain impurities such as particles, dust, or condensate
●
Pumping of fluids
●
Pumping FPM-solubilizing media
●
Pumping vapors from combustible liquids
●
Pumping pressurized media (> atmospheric pressure)
●
Pumping media that can condense or cause adhering deposits to form in the suction chamber
●
Use of the vacuum pump outside the specified area of application
●
Using the vacuum pump below ground
●
Using the vacuum pump to generate pressure
●
Using the vacuum pump in systems in which sporadic loads and vibrations or periodic forces act
on the unit
●
Using the vacuum pump in strong electrical, magnetic, or electromagnetic fields
●
Connection to vacuum pumps or equipment which are not suitable for this purpose according to
their operating instructions
●
Connection to devices with exposed live parts
●
Connecting to sockets without earthing contact
●
Using lubricants not specified by Pfeiffer Vacuum
●
Using pipes to lift the vacuum pump
●
Use of accessories or spare parts that are not listed in these instructions
●
Using the vacuum pump as a climbing aid
●
Using the connection lines between the diaphragm heads as carrying handles
●
Using the vacuum pump in ambient conditions that do not meet the specified IP protection class
limits
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3 Transportation and Storage
3.1 Transporting the vacuum pump
WARNING
Danger of serious injury due to falling objects
Due to falling objects there is a risk of injuries to limbs through to broken bones.
►
Take particular care and pay special attention when transporting products manually.
►
Do not stack the products.
►
Wear protective equipment, e.g. safety shoes.
Damage caused during transport
Transport in unsuitable packaging or failure to install all transport locks can damage the product.
►
Observe the transport instructions.
►
Always transport the vacuum pump in its original packaging.
►
Transport the vacuum pump using only the transport handles provided.
►
Always use sealed and impact-proof packaging for the vacuum pump.
►
Seal inlet and outlet ports (for example using transport caps).
►
Reattach transport locks prior to every transport.
Transportation and Storage
NOTICE
Instructions for safe transport
1. Observe weight specified on the rating plate.
2. Wherever possible, always transport or ship the vacuum pump in its original packaging.
3. Always carry the vacuum pump with both hands.
4. Remove the protective cover only immediately prior to installation.
3.2 Storing the vacuum pump
Damage caused by improper storage
Improper storage leads to damage to the vacuum pump.
►
Store the vacuum pump in a cool, dry, dust-free place, where it is protected against impacts.
►
Seal inlet and outlet ports (e.g. using transport caps).
►
Maintain the permissible storage temperature. (See technical data)
NOTICE
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4
8
6
5
9
3
2
1
7
Product description
4 Product description
4.1 Identifying the product
You will need all the data from the rating plate to safely identify the product when communicating with
Pfeiffer Vacuum.
Recording rating plate data
1. Read the data on the product rating plate.
2. Record this data.
3. Always have all rating plate specifications to hand.
4.2 Shipment
●
Diaphragm vacuum pump
●
Operating instructions
4.3 Vacuum pump design and function
Fig. 1: MVP 160-3
1 Vacuum connection (inlet, DN 25 ISO-KF) 6 Mains switch
2 Distributor, intake side 7 Pressure connection (with silencer)
3 Handle (2x) 8 Rating plate on housing panel
4 Mains plug 9 Motor fan
5 Distributor, pressure side
The diaphragm vacuum pump is a three stage, dry compressing vacuum pump. This means that the
supplied medium does not come into contact with any lubricant.
The vacuum pump is a positive displacement pump with a periodic change in suction chamber size,
produced by the movement of the diaphragm. The gas flow causes the valves to open and close automatically.
The pump units are connected directly to the drive motor (AC motor).
The vacuum pump is equipped with a pressure side silencer as standard.
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5 Installation
5.1 Installing the vacuum pump
Procedure
1. Place the vacuum pump on a flat, horizontal surface.
2. Make sure that the vacuum pump is stable and secure, with no additional mechanical contact
other than the pump feet.
3. Make sure that the system to be evacuated and all hose connections are mechanically stable.
4. Never install the vacuum pump on a soft surface (such as foam), as this impairs air supply to
the fan.
5. Ensure for sufficient air supply if you install the vacuum pump in an enclosed housing or at a
high ambient temperature. Provide external forced ventilation if necessary.
–
Minimum 5 cm between fan (on pump underside) and adjacent parts (for example housing,
walls, etc.)
6. If you install the vacuum pump at an installation altitude of > 1000 m AMSL, you must implement measures in accordance with DIN VDE 0530 to ensure an adequate cooling air supply.
7. Anchor the vacuum pump to the supporting surface in the event of stationary installation.
8. Use elastic hose pieces or bellows for anchoring.
–
This prevents mechanical forces resulting from rigid connection lines.
9. Maintain ambient conditions.
10. Before switching on, allow the vacuum pump to acclimatize.
–
If the vacuum pump is brought into the operating area from a cold environment, condensation
can form.
Installation
5.2 Connecting the pumping stages
Vacuum pump damage caused by overpressure
Mixing up the connections causes overpressure overload. The vacuum pump can be started only
against max. 1 bar differential pressure between inlet and outlet; otherwise the motor jams and sustains damage.
►
Make sure that the distributor is installed correctly on the diaphragm heads, before connecting
the vacuum pump to the vacuum equipment.
►
Before commissioning, make completely sure that the pressure side pressure is below the permissible limit.
The intake connections of the vacuum pump are marked “
phragm heads.
NOTICE
IN” and the outlets “EX” on the individual dia-
Fig. 2: IN and EX connections on diaphragm heads
IN Intake connection EX Outlet
15/42
Installation
Fig. 3: Distributor: Intake side distributor (left) and pressure side distributor (right)
5.3 Connecting the vacuum side
Preventing pressure losses
Using the shortest possible vacuum connection lines with large nominal diameter prevents
pressure losses.
Condensate separator
Pfeiffer Vacuum recommends the installation of a condensate separator in case vapors are
formed from moisture during evacuation.
Procedure
1. Remove the locking cap from the vacuum connection.
2. Install the connection between vacuum pump and vacuum system so that it is as short as possible.
3. Install a condensate separator upstream of the vacuum pump.
4. Connect the vacuum pump to the vacuum system using the vacuum connection.
5.4 Connecting the exhaust side
Condensate separator
Pfeiffer Vacuum recommends installing a condensate separator, with condensate drain at
the lowest point of the exhaust line.
Procedure
1. Observe the official accident prevention regulations.
–
This applies in particular where you install a shut-off unit for internal operating reasons, meaning that overpressure can build in the line.
2. Remove protective caps.
3. Install the line downward from the vacuum pump so that condensation does not flow back into the
pump.
4. Connect the vacuum pump and vacuum chambers with the shortest possible connection, with a
minimum nominal diameter equal to that of the vacuum connection.
5. Make sure that no piping system forces are acting on the vacuum pump.
6. Support or hang the pipes.
7. Only use the silencer at low gas throughput, and check it regularly to ensure that it is unobstructed.
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5.5 Establishing an electrical connection
Installation
Fig. 4: Connection diagram: MVP 160-3 with single phase AC motor
17/42
Operation
6 Operation
6.1 Switching on and operating the vacuum pump
WARNING
Danger of poisoning due to emission of toxic process gases from the exhaust
During operation with no exhaust line, the vacuum pump allows exhaust gases and vapors to escape
freely into the air. In processes involving toxic media, there is a risk of injury and danger to life due to
poisoning.
►
Observe the relevant regulations for handling toxic substances.
►
Safely purge toxic process gases via an exhaust line.
►
Use suitable filter equipment to separate toxic substances.
CAUTION
Risk of injury from bursting due to high pressure in the exhaust line
Faulty or insufficient exhaust lines cause hazardous situations, e.g. increase in exhaust pressure.
There is a risk of bursting. It is not possible to rule out the risk of injuries due to broken pieces flying
around, high escaping pressure and damage to the equipment.
►
Lay the exhaust line without shut-off units.
►
Observe the permissible pressures and pressure differentials of the product.
►
Check the exhaust line regularly for correct function.
NOTICE
Damage caused by water hammer
The sudden ingress of condensate can cause water hammer, as the vacuum pump cannot pump the
additionally formed steam down quickly enough. Water hammer destroys the vacuum pump.
►
Install a capacitor between the vacuum system and the vacuum pump.
–
This intercepts the fluid upstream of the vacuum pump.
NOTICE
Damage caused by fluids and dust
Fluids and dust damage diaphragms and valves.
►
Prevent ingress of particles and dusts to the vacuum pump.
►
Install a suitable filter upstream of the vacuum pump if necessary.
►
Avoid condensation in the vacuum pump and water hammer.
►
Observe the intended use.
NOTICE
Damage caused by silencer contamination
After a long period of operation at high intake pressures or with dust-laden gases, the silencer can
become congested. If the silencer becomes contaminated, an internal overpressure builds that damages bearings, diaphragms, and valves.
►
Replace a contaminated silencer.
►
Make sure that the exhaust line is unobstructed.
►
Ideally, use a hose nozzle as an outlet.
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Achieving throughput and ultimate pressure
The vacuum pump achieves the specified throughput and ultimate pressure values once
the operating temperature has been reached (after approx. 15 minutes).
1
Fig. 5: Mains switch
1
1
Mains switch
Procedure
You can switch on the vacuum pump at any time.
1. Press the mains switch.
6.2 Switching off the vacuum pump
Operation
Fig. 6: Mains switch
1
Mains switch
Procedure
You can switch off the vacuum pump at any time.
1. Allow the vacuum pump to run on for a few more minutes with the intake port open.
2. Press the mains switch.
3. Clean and check the diaphragm heads when working with pump media that are corrosive to pump
materials or can cause formation of deposits.
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Decommissioning the vacuum pump for long periods
7 Decommissioning the vacuum pump for long periods
Procedure
1. Switch off the vacuum pump.
2. Vent the vacuum pump and allow it to cool down.
3. Disconnect the vacuum pump from the vacuum equipment.
4. Clean suction chamber.
5. Seal flanges and any other openings.
6. Store the vacuum pump in dry, dust-free rooms, within the specified ambient conditions.
–
In areas with damp or aggressive atmospheres, we recommend packaging the vacuum pump
in a plastic bag with a drying agent, and sealing it so that it is airtight.
–
For storage durations longer than 2 years, we recommend you carry out maintenance and a
lubricant change prior to recommissioning.
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8 Maintenance
8.1 General
WARNING
Risk of burns on hot surfaces
During vacuum pump operation, exposed surfaces reach high temperatures. There is a risk of burning.
►
Allow the vacuum pump to cool down before carrying out any work.
►
Wear protective gloves (in accordance with EN 420).
Damage caused by pointed or sharp-edged tools
Sharp-edged tools damage pump parts during maintenance.
►
Never disconnect pump parts such as diaphragm heads using pointed or sharp-edged tools.
►
Never use pointed or sharp-edged tools to lift diaphragms.
►
If necessary, use a rubber mallet to loosen parts.
Maintenance
NOTICE
8.2 Maintenance intervals
Dismantle the vacuum pump only to the extent necessary
Dismantle the vacuum pump only to the extent required for maintenance.
Use only genuine parts as listed in the spare parts list.
Valves and diaphragms are wear parts.
Component Operating hours
Diaphragm 15,000
Valves 15,000
Motor bearing 40,000
Motor capacitors 10,000-40,000
Tbl. 3: Typical life with normal use
You must check wear parts by the time the achieved pressure values drop off at the latest.
Checking wear parts
1. Clean suction chamber
2. Clean diaphragms
3. Clean valves
4. Check and clean diaphragm heads at regular intervals (depending on the individual case)
5. Inspect diaphragms and valves for cracks.
6. Replace defective parts.
8.3 Dismantling the distributor
It is not necessary to remove the connection hoses from the distributor screw couplings.
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2
1
3
4
25
5
Maintenance
Fig. 7: Loosen the compression couplings on the diaphragm head
Fig. 8: Dismantling both distributors
1 Countersunk screws 4 Countersunk screws
2 Intake side distributor 5 Cover plate
3 Pressure side distributor
Procedure
Required tools
●
Open-end wrench (17 WAF)
●
Crosshead screwdriver
1. Unscrew the screw couplings from all diaphragm heads using the open-end wrench.
2. Unscrew the countersunk screws using the crosshead screwdriver.
3. Remove the entire intake side distributor, including all fittings.
4. Unscrew the countersunk screws using the crosshead screwdriver.
5. Remove the entire pressure side distributor and cover panel, including all fittings.
8.4 Disassembling the diaphragm head
Damage caused by pointed or sharp-edged tools
Sharp-edged tools damage pump parts during maintenance.
►
Never disconnect pump parts such as diaphragm heads using pointed or sharp-edged tools.
►
Never use pointed or sharp-edged tools to lift diaphragms.
►
If necessary, use a rubber mallet to loosen parts.
NOTICE
22/42
Fig. 9: Disconnecting diaphragm head
35
1
37
12
2
3
4
5
Maintenance
Fig. 10: Disassembling the diaphragm head
1 Diaphragm head 4 Head cover
2 O-rings 5 Connection rod
3 Valves
Procedure
Required tools
●
Allen key (5 WAF)
●
Rubber mallet
1. Use the Allen key to unscrew the four cheesehead screws from the diaphragm head.
2. Remove top of housing (diaphragm head and head cover).
–
Do not allow the head cover to fall out of the diaphragm head when doing so.
3. Remove the head cover from the diaphragm had in order to check the valves.
4. Note the position of the valves and O-rings, and remove them.
5. Move the connection rod by rotating the eccentric bushing (on the front of the connection rod) to a
position where the diaphragm rests centrally and flush on the supporting surface in the housing
opening.
8.5 Checking and replacing parts
Procedure
1. Check all parts for damage and contamination.
2. Clean contaminated parts.
3. Replace damaged valves.
4. Replace damaged diaphragms.
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Maintenance
8.6 Cleaning contaminated parts
Damage caused by unsuitable cleaning agents
Unsuitable cleaning agents damage pump parts.
►
Use only approved cleaning agents to clean pump parts.
►
Never use soluble detergents.
Procedure
Required consumables
●
Isopropanol
1. Clean contaminated parts with isopropanol.
2. Allow parts to dry well.
8.7 Replacing the diaphragm
Damage caused by unsuitable auxiliary tool
Using unsuitable tools damage the diaphragm and associated components.
►
Never use the diaphragm key with auxiliary tools (for example pliers or an Allen key without torque limitation).
NOTICE
NOTICE
Spacer disks
Take care with any spacer disks that may be between the diaphragm support disk and connection rod. Keep the spacer disks for each cylinder separate, and reinstall the same number of original spacer disks.
Too few spacer disks: Vacuum pump does not attain final vacuum.
Too many spacer disks: Vacuum pump bangs (noise development).
Double diaphragm
You have to position the double diaphragms with the printed sides facing outwards.
Depending on the pump design, two diaphragm attachments may be possible when replacing the diaphragm:
Attachment with countersunk screw Form-fitted attachment
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Design with bore Design with square hole
Tbl. 4: Diaphragm attachments
Fig. 11: Diaphragm key (accessory)
35
12
1
2
3
4
Maintenance
Fig. 12:
Fig. 13:
1 Diaphragm clamping disk 3 Diaphragm support disk
2 Diaphragm 4 Connection rod
Diaphragm key with inlaid diaphragm parts
Diaphragm and associated parts
Procedure
Required tools
●
Diaphragm key (accessory)
●
Torque wrench (hex, size 6)
Required consumables
●
Gasoline or petroleum
1. Diaphragm with square hole: Remove the pre-punched interior of the new diaphragm.
2. Carefully lift the side of the diaphragm.
3. Using the diaphragm key, reach under the diaphragm and grasp the diaphragm support disk.
4. Disconnect the diaphragm support disk using the diaphragm key.
5. Unscrew the diaphragm support disk together with the diaphragm and diaphragm clamping disk.
6. If necessary, disconnect the old diaphragm from the diaphragm support disk using gasoline or petroleum.
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1
2
1
2
Maintenance
7. Insert the new diaphragm between diaphragm clamping disk and diaphragm support disk.
–
When doing so, make sure that the square connecting bolt of the diaphragm clamping disk is
positioned correctly in the diaphragm support disk guide.
8. Lift the side of the diaphragm and insert it carefully in the diaphragm key with the diaphragm
clamping disk and diaphragm support disk.
–
When doing so, do not kink the diaphragm excessively.
9. Bolt all parts together with the spacer disks and connection rod.
10. Attach the torque wrench to the diaphragm key
11. Tighten the screw fitting with the torque wrench.
–
Tightening torque = 6 Nm
8.8 Replacing the valves
The valves are located in the diaphragm heads and below the pressure side distributor cover plate.
Fig. 14: Correct positioning of valves in diaphragm head
1
Outlet side with round central opening below valve
2
Inlet side with kidney-shaped opening next to valve
The valve crosspiece lies opposite the kidney-shaped opening.
Fig. 15: Valves
1
Valves in diaphragm head
2
Valve in pressure side distributor
Replacing the valves in the diaphragm head
1. When replacing valves (1), make sure they are positioned correctly.
2. Insert valves (1) in the diaphragm head.
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Replacing the valve in the pressure side distributor
35
1
37
12
2
3
4
5
1. When replacing valve (2), make sure it is positioned correctly.
2. Insert valve (2) in the pressure side distributor.
8.9 Installing the diaphragm head
Maintenance
Fig. 16: Installing the diaphragm head
1 Diaphragm head 4 Head cover
2 O-rings 5 Connection rod
3 Valves
Fig. 17: Secure diaphragm head
Required tools
●
Allen key (5 WAF)
●
Torque wrench
Procedure
1. Ensure that the diaphragm rests centrally and flush on the supporting surface in the housing
opening.
–
If required, move the connection rod by rotating the eccentric bushing (front side of connection rod).
–
Make sure that valves and O-rings are positioned correctly.
2. Assemble head cover and diaphragm head.
3. Ensure that the diaphragm is at the center.
–
The diaphragm is evenly clamped between the pump housing and the head cover.
4. Place top of housing (diaphragm head and head cover) on pump housing.
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2
1
3
4
25
5
Maintenance
5. Fasten the 4 cheesehead screws on the diaphragm head.
6. Tighten the 4 cheesehead screws diagonally.
–
Do not tighten the cheesehead screws up to the stop.
–
Tightening torque = 12 Nm
8.10 Installing the distributor
Fig. 18: Install both distributors
1 Countersunk screws 4 Countersunk screws
2 Intake side distributor 5 Cover plate
3 Pressure side distributor
Fig. 19: Screw couplings on diaphragm head
Installing the distributor
Required tools
●
Open-end wrench (17 WAF)
●
Crosshead screwdriver
1. Hold the pressure side distributor, including cover plate and all fittings, in position on the vacuum
pump.
2. Secure the countersunk screws using the crosshead screwdriver.
3. Hold the intake side distributor, including all fittings, in position on the vacuum pump.
4. Secure the countersunk screws using the crosshead screwdriver.
5. Secure the screw couplings to all diaphragm heads using the open-end wrench.
8.11 Checking vacuum pump function
After working on the vacuum pump, you must check the final vacuum. Only where the vacuum pump
reaches the specified final vacuum can a low pump leakage rate, and thus the prevention of potentially
explosive mixtures in the pump interior, be ensured.
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Maintenance
Checking function of individual diaphragm heads
Tools required
●
Standard vacuum gage
1. Measure the intake port pressure in every stage:
–
Using the standard vacuum gage, you must be able to measure < 110 hPa pressure values at
the intake port.
2. If this pressure value is not reached, check the suction chamber.
3. When doing so, check that valves and diaphragms are correctly seated (centrally to housing hole).
Checking final vacuum
If, following diaphragm valve replacement, the vacuum pump achieves the specified final vacuum value
only after being run in for several hours, or unusual noise can be heard, proceed as follows:
1. Switch off the vacuum pump immediately in the event of unusual noise.
2. carry out troubleshooting.
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Troubleshooting
9 Troubleshooting
Problem Possible causes Remedy
Vacuum pump not achieving
ultimate pressure. (no throughput)
Unusual noises during operation
Vacuum pump does not start
up.
The vacuum pump switches
off.
●
Deposits in the vacuum pump
●
Condensate in the
vacuum pump
●
In-process steam formation
●
Valves/diaphragms
soiled/faulty
●
Small flange connection centering ring inserted incorrectly
●
Long, thin vacuum line
●
Leak in system 1. Eliminate the leak.
●
Valves/diaphragms
faulty
●
Dirt in suction chamber
●
Silencer loose or missing
●
Motor fan defective
●
Connection rod or motor bearing defective
●
No mains voltage 1. Check the mains voltage.
●
Phase failure
●
Thermal winding protection has triggered.
(Motor overloaded)
●
Ambient temperature
too low
●
Valves/diaphragms
soiled/faulty
●
Overpressure in exhaust line
●
Diaphragm bonded
●
Mains voltage incorrect
●
Clean and check the diaphragm
heads.
●
Operate the vacuum pump at atmospheric pressure for a longer
period.
●
Check the process parameters.
●
Clean/replace the valves/
diaphragms.
●
Check the connection.
●
Choose a line with a larger cross
section.
2. Check the vacuum pump itself.
Connect the measurement instrument directly to the pump inlet.
●
Replace valves/diaphragms.
●
Clean suction chamber.
●
Check/replace the silencer.
●
Replace the motor fan.
●
Contact Pfeiffer Vacuum Service.
2. Check the mains fuse.
3. Connect the mains plug.
●
Check the fuse.
1. Allow the motor to cool down.
2. Switch the mains switch off and
back on.
●
Heat up the vacuum pump.
●
Clean/replace the valves/
diaphragms.
●
Open the exhaust line.
●
Clean the vacuum pump.
●
Correct the mains voltage in accordance with the rating plate.
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Problem Possible causes Remedy
Motor contactor tripped.
Vacuum pump blocked or connection rod stiff
Tbl. 5: Troubleshooting
●
Vacuum pump overheating
1. Switch off the vacuum pump.
2. Disconnect the mains plug.
3. Allow the vacuum pump to cool
4. Determine and eliminate the
●
Troubleshooting
down.
cause of overheating.
Contact Pfeiffer Vacuum Service.
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ANFORDERUNG SERVICE
ERKLÄRUNG KONTAMINIERUNG
Service solutions from Pfeiffer Vacuum
10 Service solutions from Pfeiffer Vacuum
We offer first class service
Long vacuum component service life, coupled with low downtimes, are clear expectations that you have
of us. We satisfy your needs with capable products and outstanding service.
We are consistently striving to perfect our core competence, service for vacuum components. And our
service is far from over once you’ve purchased a product from Pfeiffer Vacuum. It often enough really
just begins then. In proven Pfeiffer Vacuum quality, of course.
Our professional sales engineers and service technicians stand ready to provide hands-on support to
you worldwide. Pfeiffer Vacuum offers a complete portfolio of service offerings, ranging from genuine
spare parts right through to service agreements.
Take advantage of Pfeiffer Vacuum Service
Whether for preventative on-site service from our field service, fast replacement with as-new replacement products or repair in a Service Center close to you; you have various options for upholding your
equipment availability. Detailed information and addresses can be found on our website in the Pfeiff-
er Vacuum Service section.
Advice on the optimum solution is available from your Pfeiffer Vacuum contact partner.
For quick and smooth handling of the service process, we recommend the following steps:
1.
Download the current form templates.
─
Declaration of Service Request
─
Service Request
─
Declaration of Contamination
a.
Dismantle all accessories and keep them (all external mounted parts as
valve, inlet screen, etc.).
b.
Drain the operating fluid/lubricant as necessary.
c.
Drain the cooling medium as necessary.
2.
Fill out the service request and the declaration of contamination.
3.
Send the forms via email, fax or post to your local Service Center.
4.
You will receive a response from Pfeiffer Vacuum.
Sending of contaminated products
No units will be accepted if they are contaminated with micro-biological, explosive or radioactive substances. If products are contaminated or if the declaration of contamination is missing, Pfeiffer Vacuum
will contact the customer before starting maintenance. In addition, depending on the product and the
level of contamination additional decontamination costs may be required.
32/42
ERKLÄRUNG KONTAMINIERUNG
Service solutions from Pfeiffer Vacuum
5.
Prepare the product for transport in accordance with the details in
the declaration of contamination.
a)
Neutralize the product with nitrogen or dry air.
b)
Close all openings with airtight blank flanges.
c)
Seal the product in appropriate protective film.
d)
Only pack the product in suitable, stable transport containers.
e)
Observe the applicable transport conditions.
6
Affix the declaration of contamination to the outside of the packaging.
7
Then send your product to your local Service Center.
8
You will receive a confirmation message/a quotation from Pfeiffer Vacuum.
For all service orders, our General Terms and Conditions of Sales and Supply and General Terms and
Conditions of Repair and Maintenance apply to vacuum equipment and components.
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Spare parts
11 Spare parts
Description order number
Overhaul kit with valve seal and diaphragms PU E22 002 -T
Silencer (G 1/4") P0 920 792 E
Fan (220–240 V) P0 920 416 E
Tbl. 6: MVP 160-3 spare parts list
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12 Accessories
Description order number
Diaphragm key (66 WAF) PK 050 172
Relay box, shielded, for backing pumps, 1-phase 7A for TC 110/120 and TCP 350,
plug M8
Relay box, shielded, for backing pumps, 1-phase 7 A for TC 400/1200, TM 700 and
TCP 350, M12
Mains cable 115/230 V without plug, rubber connector (right angle), 3 m PK 050 111
Mains cable 230 V with safety plug, right angle IEC 320/C13 socket, 2 m PK 050 109
Tbl. 7: Accessories
Accessories
PM 071 282 -X
PM 071 284 -X
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Technical data and dimensions
13 Technical data and dimensions
13.1 General
Basis for the technical data of Pfeiffer Vacuum diaphragm pumps:
●
Specifications according to PNEUROP committee PN5
●
ISO 21360:2012: “Vacuum technology - Standard methods for measuring vacuum-pump performance - General description”
The following harmonized standards are fulfilled:
●
IEC 61010-1
●
UL 61010-1
●
CSA 61010-1
mbar bar Pa hPa kPa Torr | mm Hg
mbar 1
bar 1000 1
Pa 0.01
hPa 1
kPa 10 0.01 1000 10 1 7.5
Torr | mm Hg 1.33
-3
1 · 10
-5
1 · 10
-3
1 · 10
1.33 · 10
-3
1 Pa = 1 N/m
100 1 0.1 0.75
1 · 10
1 0.01
100 1 0.1 0.75
133.32 1.33 0.133 1
5
1000 100 750
1 · 10
2
-3
7.5 · 10
-3
Tbl. 8: Conversion table: Pressure units
mbar l/s
Pa m3/s
mbar l/s 1 0.1 59.2 0.75 0.987
Pa m3/s
sccm
10 1 592 7.5 9.87
1.69 · 10
-2
1.69 · 10
-3
Torr l/s 1.33 0.133 78.9 1 1.32
atm cm3/s
1.01 0.101 59.8 0.76 1
Tbl. 9: Conversion table: Units for gas throughput
13.2 Substances in contact with the media
Pump parts Substances in contact with the media
Housing cover Aluminum alloy (AlSi12)
Head cover Aluminum alloy (AlSi12)
Diaphragm clamping disk Aluminum alloy (AlSi12)
Diaphragm Elastomer (FPM)
Valves Elastomer (FPM)
O-rings Elastomer (FPM)
Vacuum connection Stainless steel
Silencer Aluminum alloy/PA/PE
Overpressure valve Silicone
Hoses Polyethylene (PE)
sccm Torr l/s
1
1.27 · 10
atm cm3/s
-2
1.67 · 10
-2
36/42
Pump parts Substances in contact with the media
Compression couplings Anodized aluminum (AlCuMgPb)
Sealing rings Elastomer (FPM)
Tbl. 10: Materials that make contact with the process media
13.3 Technical data
Classification MVP 160-3
Order number PK T01 400
Flange (in) DN 25 ISO-KF
Flange (out) G 1/4” with silencer
Pumping speed at 50 Hz 9.6 m³/h
Pumping speed at 60 Hz 10.4 m³/h
Ultimate pressure without gas ballast ≤ 2 hPa
Exhaust pressure, max. 1100 hPa
Leak rate
Ambient temperature 10 – 40 °C
Temperature: Storage -10 – 60 °C
Emission sound pressure level without gas ballast or purge 52 dB(A)
Rotation speed at 50 Hz 1500 rpm
Rotation speed at 60 Hz 1800 rpm
Motor protection Thermal winding protection
Mains requirement: voltage, max. 230 V
Mains requirement: voltage (range) ± 10 %
Rated current absorption at 50 Hz 2.8 A
Rated current absorption at 60 Hz 2.7 A
Protection category IP20
Operating altitude, max. 2000 m
Weight 25 kg
Technical data and dimensions
≤ 2 · 10-3 Pa m³/s
Tbl. 11: Technical data, MVP 160-3
37/42
≈ 222
111
≈ 294
151
34°
110
DN 25
≈ 486
242
20 10
V
M6
11
0.1
1
10
100
1 10 100 1000
P [hPa]
S [m
3
/h]
MVP 160-3 (50 Hz)
Technical data and dimensions
13.4 Dimensions
Fig. 20: Dimensions in mm
13.5 Characteristics
Fig. 21: Air pumping speed at 50 Hz
38/42
0.1
1
10
100
1 10 100 1000
P [hPa]
MVP 160-3 (60 Hz)
S [m
3
/h]
Technical data and dimensions
Fig. 22: Air pumping speed at 60 Hz
39/42
Declaration of conformity
We hereby declare that the product cited below satisfies all relevant provisions of the following EU Directives:
●
Machinery 2006/42/EC (Annex II, no. 1 A)
●
Electromagnetic compatibility 2014/30/EU
●
Restriction of the use of certain hazardous substances 2011/65/EU
The authorized representative for the compilation of technical documents is Mr. Sebastian Oberbeck, Pfeiffer Vacuum GmbH, Berliner Straße 43, 35614 Aßlar, Germany.
Diaphragm vacuum pump
MVP 160-3
Harmonized standards and applied national standards and specifications:
EN ISO 12100:2011
EN 61010-1:2011
IEC 61010-1:2010 (edition 3)
EN 1012-2:2011
EN 61326-1:2013
EN 50581:2013
Signature:
(Dr. Ulrich von Hülsen)
Managing Director
Pfeiffer Vacuum GmbH
Berliner Straße 43
35614 Aßlar
Germany
Aßlar, 8/28/2017
41/42
ed. B - Date 1902 - P/N:PU0077BEN
*PU0077*
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