Allweiler SPF series User manual

Screw Pump
Original Operating Manual SPF series
Version BA-2014.01
ID-No. 550 041
VM-No. 626.0005 GB
ALLWEILER GmbH
Postfach 1140
Allweilerstraße1
78301 Radolfzell
Germany
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
Internet: http://www.allweiler.com
We reserve the right to make technical changes.
Read carefully before use.
Save for future use.

Table of contents
Table of contents
1 About this document ............................... 5
1.1 Target groups ................................. 5
1.2 Other applicable documents ................ 5
1.3 Warnings and symbols ....................... 6
2 Safety ................................................. 7
2.1 Intended use .................................. 7
2.2 General safety instructions .................. 7
2.2.1 Product safety ................................ 7
2.2.2 Obligations of the operating company . ..... 8
2.2.3 Obligations of personnel ..................... 8
2.3 Specific hazards .............................. 8
2.3.1 Explosion-hazard area ....................... 8
2.3.2 Hazardous pumped liquids .................. 8
3 Layout and function ................................ 9
3.1 Label .......................................... 9
3.1.1 Type plate ..................................... 9
3.1.2 ATEX plate .................................... 9
3.1.3 Pump type code .............................. 9
3.2 Layout ......................................... 10
3.3 Shaft seals .................................... 11
3.3.1 Mechanical seals ............................. 11
3.3.2 Shaft seal rings ............................... 11
3.4 Bearings and lubrication ..................... 11
4 Transport, storage and disposal .................. 12
4.1 Transport ...................................... 12
4.1.1 Unpacking and inspection on delivery . . . . . . 12
4.1.2 Lifting .......................................... 12
4.2 Treatment for storage ........................ 13
4.2.1 Applying preservative to the inside .. .. . .. .. 13
4.2.2 Applying preservative to the outside ... . . . .. 13
4.3 Storage ....................................... 13
4.4 Removing the preservative .................. 13
4.5 Disposal ....................................... 13
5 Setup and connection .............................. 14
5.1 Preparing the setup .......................... 14
5.1.1 Checking the ambient conditions . .. . .. . . . .. 14
5.1.2 Preparing the installation site ............... 14
5.1.3 Preparing the surface ........................ 14
5.1.4 Removing the preservative .................. 14
5.1.5 Installing the heat insulation (optional) .. . .. 14
5.2 Setup .......................................... 14
5.2.1 Setup with wall-mounted/foot-mounted motor
bracket ........................................ 14
5.3 Installing the motor ........................... 15
5.3.1 Installing the motor on pumps in flange
versions ....................................... 15
5.4 Planning the pipes ........................... 15
5.4.1 Specifying supports and flange
connections ................................... 15
5.4.2 Specifying nominal diameters .. .. . . . . . .. .. . . 15
5.4.3 Specifying pipe lengths ...................... 15
5.4.4 Optimizing changes in cross-section and
direction ...................................... 15
5.4.5 Discharging leaks ............................ 16
5.4.6 Avoiding excessive pressure ... . . . .. . . .. .. .. 16
5.4.7 Providing safety and control devices
(recommended) .............................. 16
5.5 Connecting the pipes ........................ 17
5.5.1 Keeping the pipes clean ..................... 17
5.5.2 Installing the suction pipe .................... 17
5.5.3 Installing the pressure pipe .................. 17
5.5.4 Checking the stress-free pipe
connections ................................... 17
5.6 Electrical connection ......................... 17
5.6.1 Connecting the motor ........................ 17
5.6.2 Connecting the filter heating (optional) .. . . . 17
5.6.3 Checking the sense of rotation .............. 17
6Operation............................................ 18
6.1 Putting the pump into service for the first
time ............................................ 18
6.1.1 Removing the preservative .................. 18
6.1.2 Preparing auxiliary systems (if
available) ..................................... 18
6.1.3 Filling and bleeding .......................... 18
6.1.4 Checking the sense of rotation .............. 18
6.1.5 Switching on .................................. 18
6.1.6 Switching off .................................. 19
6.2 Operation ..................................... 19
6.2.1 Switching on .................................. 19
6.2.3 Switching off .................................. 20
6.3 Shutting down the pump ..................... 20
6.4 Start-up following a shutdown period ... .. .. 21
6.5 Operating the stand-by pump ............... 21
7 Maintenance ......................................... 22
7.1 Inspections ................................... 22
7.2 Maintenance .................................. 22
7.2.1 Antifriction bearing ........................... 22
7.2.2 Mechanical seals ............................. 22
7.2.3 Cleaning the pump ........................... 23
7.3 Repairs ........................................ 23
7.3.1 Returning the pump to the manufac-
turer ........................................... 23
7.3.2 Dismounting .................................. 24
7.3.3 Installing ...................................... 24
7.4 Ordering spare parts ......................... 24
8 Troubleshooting .................................... 25
8.1 Pump malfunctions ........................... 25
8.2 Pressure relief valve malfunctions .......... 27
9 Appendix ............................................. 28
9.1 Sectional drawings ........................... 28
9.1.1 Part numbers and designations ............. 28
2 SPF series BA-2014.01 626.0005 GB – 550 041

Table of contents
9.1.2 Sectional drawings ........................... 29
9.2 Technical specifications ...................... 31
9.2.1 Ambient conditions ........................... 31
9.2.2 Sound pressure level ........................ 31
9.2.3 Tightening torques ........................... 31
9.2.4 Coupling assembly ........................... 32
9.2.5 Preservatives ................................. 32
9.2.6 Cleaning agents .............................. 32
9.3 Safety certificate ............................. 33
9.4 Declaration of conformity according to EC
Machine Directives ........................... 34
626.0005 GB – 550 041 BA-2014.01 SPF series 3

Table of contents
List of figures
Fig. 1 Type plate (example) ........................ 9
Fig. 2 ATEX plate (example) ........................ 9
Fig. 3 Pump type code (example) .................. 9
Fig. 4 Layout ......................................... 10
Fig. 5 Fastening the lifting gear to the pump unit
horizontally (as illustrated) ................... 12
Fig. 6 Fastening the lifting gear to the pump unit
vertically (as illustrated) ...................... 12
Fig. 7 Straight pipe lengths upstream
and downstream of the pump
(recommended) .............................. 15
Fig. 8 SPF with filter, size 10, 20 ................... 29
Fig. 9 SPF without filter ............................. 30
Fig. 10 U8.3 mechanical seal, size 40 .............. 30
Fig. 11 Coupling assembly ........................... 32
List of tables
Tab. 1 Target groups and their duties .............. 5
Tab. 2 Other applicable documents and their
purpose ....................................... 5
Tab. 3 Warnings and consequences of disregarding
them ........................................... 6
Tab. 4 Symbols and their meaning ................. 6
Tab. 5 Pump type code .............................. 9
Tab. 6 Measures to be taken if the pump is shut
down .......................................... 20
Tab. 7 Measures depending on the behavior of the
pumped liquid ................................ 20
Tab. 8 Measures for returning the pump ........... 23
Tab. 9 Malfunction/number assignment ............ 25
Tab. 10 Pump troubleshooting list .................... 27
Tab. 11 Malfunction/number assignment ............ 27
Tab. 12 Pressure relief valve troubleshooting
list ............................................. 27
Tab. 13 Designation of components according to part
numbers ...................................... 28
Tab. 14 Ambient conditions ........................... 31
Tab. 15 Tightening torques ........................... 31
Tab. 16 Dimensions for installing coupling .. . .. . . . .. 32
Tab. 17 Cleaning agents .............................. 32
Tab . 1 8 Saf e t y c e r t ificate ............................. 33
Tab. 19 Declaration of conformity according to EC
machine directives ........................... 34
4 SPF series BA-2014.01 626.0005 GB – 550 041

About this document
1 About this document
This manual:
• Ispartofthepump
• Applies to the pump series mentioned above
• Describes safe and appropriate operation during all oper-
ating phases
1.1 Target groups
Target group Duty
Operating company Keep this manual available at the site of operation of the equipment,
including for later use.
Ensure that personnel read and follow the instructions in this
manual and the other applicable documents, especially all safety
instructions and warnings.
Observe any additional rules and regulations referring to the
system.
Qualified personnel, fitter Read, observe and follow this manual and the other applicable
documents, especially all safety instructions and warnings.
Tab. 1 Target groups and their duties
1.2 Other applicable documents
Document Purpose
ATEX additional instructions Operation in explosion-hazard areas
Order data sheet Technical specifications, conditions of operation
Setup drawing Setup dimensions, connection dimensions etc.
Technical description Technical specifications, operating limits
Sectional drawing Sectional drawing, part numbers, component designations
Supplier documentation Technical documentation for parts supplied by subcontractors
Declaration of conformity Conformity with standards, contents of the declaration of conformity
(→9.4 Declaration of conformity according to EC Machine Directives,
Page 34).
Tab. 2 Other applicable documents and their purpose
626.0005 GB – 550 041 BA-2014.01 SPF series 5

About this document
1.3 Warnings and symbols
Warning Risk level Consequences of disregarding
the warning
DANGER Immediate acute risk Death, serious bodily harm
Potential acute risk Death, serious bodily harm
CAUTION Potentially hazardous situation Minor bodily harm
NOTE Potentially hazardous situation Material damage
Tab. 3 Warnings and consequences of disregarding them
Symbol Meaning
Safety warning sign
Take note of all information highlighted by the safety warning sign
and follow the instructions to avoid injury or death.
Instruction
1. , 2. , ... Multiple-step instructions
Precondition
→Cross reference
Information, notes
Tab. 4 Symbols and their meaning
6 SPF series BA-2014.01 626.0005 GB – 550 041

Safety
2Safety
The manufacturer does not accept any liability for damages
caused by disregarding the entire documentation.
2.1 Intended use
• Only use the pump to pump the agreed pumped liquids
(→order data sheet).
• Adhere to the operating limits.
• Avoid dry running:
– Make sure the pump is only operated with, and never
without, pumped liquid.
• Avoid cavitation:
– Fully open the suction-side fitting and do not use it to
adjust the flow rate.
– Open the pressure-side fitting completely.
• Avoid damage to the motor:
– Note the maximum permissible number of times the
motor can be switched on per hour (→manufacturer's
specifications).
• Consult the manufacturer about any other use of the pump.
• Pumps delivered without a motor must be assembled into
apumpunitaccordingtotheprovisionsofECMachine
Directive 2006/42/EC.
Prevention of obvious misuse (examples)
• Note the operating limits of the pump with regard to tem-
perature, pressure, viscosity, flow rate and motor speed
(→order data sheet).
• When using auxiliary systems, ensure there is a continuous
supply of the appropriate operating medium.
• Do not operate the pump while the pressure-side fitting is
closed.
• Pumps may not be used with foodstuffs if they have not
been adapted accordingly. The use of the pump for food-
stuffs must be specified in the order data sheet.
• Only select the setup type according to this operating man-
ual. For example, the following are not allowed:
– Hanging base plate pumps in the pipe
– Overhead installation
– Installation in the immediate vicinity of extreme heat or
cold sources
– Installation too close to the wall
2.2 General safety instructions
Observe the following regulations before carrying out any
work.
2.2.1 Product safety
The pump has been constructed according to the latest tech-
nology and recognized technical safety rules. Nevertheless,
operation of the pump can still put the life and health of the
user or third parties at risk or damage the pump or other prop-
erty.
• Only operate the pump if it is in perfect technical condition
and only use it as intended, remaining aware of safety and
risks, and in adherence to the instructions in this manual.
• Keep this manual and all other applicable documents com-
plete, legible and accessible to personnel at all times.
• Refrain from any procedures and actions that would pose
a risk to personnel or third parties.
• In the event of any safety-relevant malfunctions, shut down
the pump immediately and have the malfunction corrected
by the personnel responsible.
• In addition to the entire documentation for the product,
comply with statutory or other safety and accident-preven-
tion regulations and the applicable standards and guide-
lines in the country where the pump is operated.
626.0005 GB – 550 041 BA-2014.01 SPF series 7

Safety
2.2.2 Obligations of the operating company
Safety-conscious operation
• Only operate the pump if it is in perfect technical condition
and only use it as intended, remaining aware of safety and
risks, and in adherence to the instructions in this manual.
• Ensure that the following safety aspects are observed and
monitored:
– Intended use
– Statutory or other safety and accident-prevention reg-
ulations
– Safety regulations governing the handling of haz-
ardous substances
– Applicable standards and guidelines in the country
where the pump is operated
• Make personal protective equipment available.
Qualified personnel
• Make sure all personnel tasked with work on the pump
have read and understood this manual and all other appli-
cable documents, especially the safety, maintenance and
repair information, before they start any work.
• Organize responsibilities, areas of competence and the
supervision of personnel.
• Ensure that all work is carried out by specialist technicians
only:
– Fitting, repair and maintenance work
– Work on the electrical system
• Make sure that trainee personnel only work on the pump
under the supervision of specialist technicians.
Safety equipment
• Provide the following safety equipment and verify its func-
tionality:
– For hot, cold and moving parts: Safety guarding pro-
vided by the customer for the pump
– For possible build up of electrostatic charge: Ensure
appropriate grounding
– If there is no pressure relief valve in the pump: Pro-
vide an appropriate safety valve on the pressure side
between the pump and the first shut-off device
Warranty
• Obtain the manufacturer's approval prior to carrying out
any modifications, repairs or alterations during the warranty
period.
• Only use genuine parts or parts that havebeenapproved
by the manufacturer.
2.2.3 Obligations of personnel
• All directions given on the pump must be followed (and kept
legible), e.g. the arrow indicating the sense of rotation and
the markings for fluid connections.
• Pump, coupling guard and components:
– Do not step on them or use as a climbing aid
– Do not use them to support boards, ramps or beams
– Donotusethemasafixing point for winches or sup-
ports
– Do not use them for storing paper or similar materials
– Do not use hot pump or motor components as a heating
point
– Do not de-ice using gas burners or similar tools
• Do not remove the safety guarding for hot, cold or moving
parts during operation.
• Use personal protective equipment whenever necessary.
• Only carry out work on the pump while it is not running.
• Isolate the motor from its supply voltage and secure it
against being switched back on again when carrying out
any fitting or maintenance work.
• Reinstall the safety equipment on the pump as required by
regulations after any work on the pump.
2.3 Specific hazards
2.3.1 Explosion-hazard area
•(→ATEX additional instructions).
2.3.2 Hazardous pumped liquids
• Follow the safety regulations for handling hazardous sub-
stances when handling hazardous (e.g. hot, flammable,
poisonous or potentially harmful) pumped liquids.
• Use personal protective equipment when carrying out any
work on the pump.
8 SPF series BA-2014.01 626.0005 GB – 550 041

Layout and function
3 Layout and function
3.1 Label
3.1.1 Type plate
Fig. 1 Type plate (example)
1Pumptype
2 Pump number
3 Year of manufacture
4 Pumping pressure
5 Power consumption
6 Kinematic viscosity
7 Motor speed
8Flowrate
3.1.2 ATEX plate
Fig. 2 ATEX plate (example)
1 Explosion protection mark
2 Reference to ATEX additional instructions
3.1.3 Pump type code
SP F 10 R 46 G 8.3 F E - ... - W20
Fig. 3 Pump type code (example)
Position Meaning
1Series (SP)
Design2
F Flange pump
3Size (theoretical flow rate in l/min at normal
inclination and 1450 rpm)
Spindle pitch direction
RRight (standard)
4
LLeft
5Spindle pitch angle in degrees
Design characteristic
GInternal sleeve bearing
6
UInternal antifriction bearing, uncooled,
unheated
Shaft seal
7
8.3 Mechanical seal
8 Filter version
9E
Versionwithelectricfilter heating
10 Pressure relief valve adjustment range
11 Material key
Tab. 5 Pump type code
626.0005 GB – 550 041 BA-2014.01 SPF series 9

Layout and function
3.2 Layout
1
234 567
8910
11
Fig. 4 Layout
1 Pump cover, end side
2Suctionflange
3Pumpcasing
4 Idler spindle (2 x)
5 Work spindle (1 x)
6 Pressure flange
7 Shaft seal
8 Edge of heat insulation
9 Coupling
10 Motor
11 Pressure relief valve
10 SPF series BA-2014.01 626.0005 GB – 550 041

Layout and function
3.3 Shaft seals
3.3.1 Mechanical seals
Mechanical seals have functional leaks.
• Mechanical seal, standard version
– Uncooled, maintenance-free unbalanced mechanical
seal construction
3.3.2 Shaft seal rings
Shaft seal rings have functional leaks.
• Two or three shaft seal rings, standard version
3.4 Bearings and lubrication
• Sizes 10, 20
– Sleeve bearing lubricated by pumped liquid
•Size40
– Groove ball bearing lubricated with pumped liquid
accordingtoDIN625
626.0005 GB – 550 041 BA-2014.01 SPF series 11

Transport, storage and disposal
4 Transport, storage and disposal
4.1 Transport
Weight specifications (→order data sheet).
4.1.1 Unpacking and inspection on delivery
1. Unpack the pump/unit on delivery and inspect it for trans-
port damage.
2. Report any transport damage to the manufacturer immedi-
ately.
3. Dispose of packaging material according to local regula-
tions.
4.1.2 Lifting
DANGER
Deathorcrushing oflimbscausedbyfallingor overturning
loads!
Use lifting gear appropriate for the total weight to be trans-
ported.
Select the attachment points according to their center of
gravity and weight distribution.
Use at least two hoisting cables.
For vertical transport: Provide a securing rope between the
hook and load eyebolt of the motor.
Never fasten the lifting gear onto the motor eyebolt (unless
used as a safety device against tipping over for units with
ahighcenterofgravity).
Do not stand under suspended loads.
Fig. 5 Fastening the lifting gear to the pump unit
horizontally (as illustrated)
Fig. 6 Fastening the lifting gear to the pump unit
vertically (as illustrated)
Fasten the lifting gear to the pump unit.
12 SPF series BA-2014.01 626.0005 GB – 550 041

Transport, storage and disposal
4.2 Treatment for storage
The pump has not been treated for storage at the factory.
Treatment is not necessary for non-rusting materials.
NOTE
Materialdamagedueto missingor inappropriatetreatment
for storage!
Treat the pump properly, inside and outside, for storage.
4.2.1 Applying preservative to the inside
Spray the insert units with preservative (e.g. RUST-BAN
335) and shrink-wrap them in plastic film.
1. Close the suction-side flange with a blank flange.
2. With opposite flanges, turn the pump on the suction flange.
3. Fill the pump with preservative (e.g. RUST-BAN 335).
4. Turn the shaft slowly against the pump's sense of rotation.
5. Continue filling and turning until preservative escapes from
the pressure flange without bubbles.
6. Close the pressure-side flange with a blank flange.
4.2.2 Applying preservative to the outside
Apply preservative to all bare metal parts.
4.3 Storage
NOTE
Material damage due to inappropriate storage!
Treat and store the pump properly.
1. Seal all openings with blank flanges, blind plugs or plastic
covers.
2. Make sure the storage room meets the following condi-
tions:
–Dry
– Frost-free
– Vibration-free
–Dust-free
3. Turn the shaft once a month.
4. Make sure the shaft and bearing change their rotational
position in the process.
5. Every 6 months:
– Renew the preservative if necessary (→4.2 Treatment
for storage, Page 13).
4.4 Removing the preservative
Only necessary for pumps treated for storage.
NOTE
High water pressure or spray water can damage bearings!
Do not clean bearing areas with a water or steam jet.
NOTE
Damage to seals due to wrong cleaning agents!
Ensure the cleaning agent does not corrode the seals.
1. Choose the cleaning agent according to the application.
(→9.2.6 Cleaning agents, Page 32).
2. Remove the preservative from all bare internal parts of the
pump.
3. Dispose of cleaning agents in accordance with local regu-
lations.
4. For storage times in excess of 6 months:
– Replace the elastomer parts made of EP rubber
(EPDM).
– Check all elastomer parts (O-rings, shaft seals) for
proper elasticity and replace them if necessary.
4.5 Disposal
Plastic parts can be contaminated by poisonous or radioac-
tive pumped liquids to such an extent that cleaning will be
insufficient.
WARNING
Risk of poisoning and environmental damage by the
pumped liquid or oil!
Use personal protective equipment when carrying out any
work on the pump.
Prior to the disposal of the pump:
– Collect and dispose of any escaping pumped liquid or
oil in accordance with local regulations.
– Neutralize residues of pumped liquid in the pump.
– Remove the preservative (→4.4 Removing the preser-
vative, Page 13).
Remove the plastic parts and dispose of them in accor-
dance with local regulations.
Dispose of the pump in accordance with local regulations.
626.0005 GB – 550 041 BA-2014.01 SPF series 13

Setup and connection
5 Setup and connection
For pumps in explosion-hazard areas (→ATEX additional
instructions).
NOTE
Material damage due to distortion or passage of electrical
current in the bearing!
Do not make any structural modifications to the pump unit
or pump casing.
Do not carry out any welding work on the pump unit or
pump casing.
NOTE
Material damage caused by dirt!
Do not remove any covers or transport and screw plugs
until immediately before connecting the pipes to the pump.
5.1 Preparing the setup
5.1.1 Checking the ambient conditions
Make sure the required ambient conditions are fulfilled
(→9.2.1 Ambient conditions, Page 31).
5.1.2 Preparing the installation site
Ensure the installation site meets the following conditions:
– Pump is freely accessible from all sides
–Sufficient space for the installation/removal of the pipes
and for maintenance and repair work, especially for the
removal and installation of the pump and the motor
– Pump not exposed to external vibrations (damage to
bearings)
– Frost protection
5.1.3 Preparing the surface
Make sure the surface meets the following conditions:
–Level
– Clean (no oil, dust or other impurities)
– Capable of bearing the weight of the pump unit and all
operating forces
– The pump is stable and cannot tip over
5.1.4 Removing the preservative
If the pump is to be put into operation immediately after
setup and connection: Remove the preservative prior to
setup (→4.4 Removing the preservative, Page 13).
5.1.5 Installing the heat insulation (optional)
Only necessary to maintain the temperature of the pumped
liquid.
NOTE
Material damage on the bearing or shaft seal due to over-
heating!
Only install the heat insulation on the pump casing
(→Figure Layout, Page 10).
Install the heat insulation properly.
5.2 Setup
If installing horizontally with lateral connections, the filling
and bleeding holes and the manometer connections must
face upward.
Setup options
• With wall-mounted/foot-mounted motor bracket
– horizontal, connections on top or sides
– vertical, motor at top
5.2.1 Setup with wall-mounted/foot-mounted
motor bracket
Pump units with wall-mounted/foot-mounted motor bracket
can be installed vertically (motor at the top) or horizontally.
1. Lift the pump unit and set it down at the installation location
(→4.1 Transport, Page 12).
2. Install the pump unit (→setup drawing).
14 SPF series BA-2014.01 626.0005 GB – 550 041

Setup and connection
5.3 Installing the motor
Only necessary if the pump unit is assembled on site.
5.3.1 Installing the motor on pumps in flange versions
NOTE
Material damage caused by knocks and bumps!
Keep the coupling halves properly aligned when slipping
them on.
Do not knock or hit any components of the pump.
1. Smear a very thin coat of molybdenum disulfide (e.g.
Molykote) on the shaft ends of the pump and motor.
2. Insert the shaft keys.
3. Slip on the pump-side and motor-side coupling halves in
line.
– Without a mounting fixture: Remove the rubber buffers
and heat the coupling halves up to approximately
100 °C.
4. Tighten the grub screws on both coupling halves.
5. Lift the motor and position it on the pump bracket.
6. Check the distance between the coupling halves with a
feeler gauge:
– Permissible gap (→9.2.4 Coupling assembly,
Page 32).
– Use the feeler gauge to measure the gap (A) between
the coupling halves.
– Align the coupling halves if the gap is too wide.
7. Tighten the motor bolts.
5.4 Planning the pipes
5.4.1 Specifying supports and flange connections
NOTE
Material damage due to excessive forces and torques
exerted by the piping on the pump!
Do not exceed the permissible values (→flange loads
according to EN ISO 14847)
1. Calculate the pipe forces, taking every possible operating
condition into account:
–Cold/warm
– Empty/full
– Depressurized/pressurized
– Positional changes of the flanges
2. Ensure the pipe supports have permanent low-friction
properties and do not seize up due to corrosion.
5.4.2 Specifying nominal diameters
Keep the flow resistance in the pipes as low as possible.
1. Make sure the nominal suction pipe diameter is ≥the nom-
inal suction branch diameter.
– Makesuretheflow rate is below 1 m/s
2. Make sure the nominal pressure pipe diameter is ≥the
nominal outlet flange diameter.
– Makesuretheflow rate is below 3 m/s
5.4.3 Specifying pipe lengths
B
A
Fig. 7 Straight pipe lengths upstream and downstream
of the pump (recommended)
A > 5 x nominal suction pipe diameter
B > 5 x nominal pressure pipe diameter
Recommendation: Provide long, straight pipes upstream
and downstream of the pump.
– This will improve the suction performance of the pump.
Suction side: Shorter pipes are possible but may restrict
the hydraulic performance.
Pressure side: Shorter pipes are possible but can result in
increased operating noise.
5.4.4 Optimizingchangesincross-section anddirection
1. Avoid bending radii of less than 1.5 times the nominal pipe
diameter.
2. Avoid abrupt changes of cross-section and direction along
the piping.
626.0005 GB – 550 041 BA-2014.01 SPF series 15

Setup and connection
5.4.5 Discharging leaks
WARNING
Risk of injury and poisoning due to hazardous pumped
liquids!
Safely collect any leaking pumped liquid, then discharge
and dispose of it in accordance with environmental regula-
tions.
1. Provide equipment for collecting and discharging leaking
liquids.
2. Ensure the free discharge of leaking liquids.
5.4.6 Avoiding excessive pressure
WARNING
Risk of injury due to excessive pressure!
If no pressure relief valve is present: Provide an appropri-
ate safety valve in the pressure line.
NOTE
Material damage due to overheating of the pump!
If the return flow of the pressure relief valve flows directly
into the pump suction side or suction line: Monitor the tem-
perature.
1. Observe the operating instructions of the manufacturer.
2. Make sure the factory setting of the pressure relief valve
meets the requirements of the system.
3. Do not feed the return flow of the safety valve directly back
into the suction pipe.
5.4.7 Providing safety and control devices
(recommended)
Avoid impurities
Only necessary if no filter is installed.
1. Install a dirt trap in the suction pipe (mesh size of 0.6 mm).
2. To monitor impurities, install a differential pressure gauge
with contact manometer.
3. Provide a fine filter if necessary:
– Select the filter mesh, depending on the type, level of
contamination and pumping pressure
Avoiding reverse running
Install a non-return valve between the outlet flange and the
gate valve to ensure the liquid does not flow back when the
pump is switched off.
Enabling venting
Provide a vent valve on the highest pressure line position.
Making provisions for isolating and shutting off pipes
For maintenance and repair work.
Provide shut-off devices in the suction and pressure pipes.
Allowing measurement of the operating conditions
1. Provide manometers for pressure measurements in the
suction and pressure pipes.
2. Provide for suction-side temperature measurements.
Monitoring leaks
Only necessary for hot or hazardous pumped liquids.
1. Provide leak monitoring equipment.
2. Safely collect any leaking pumped liquid (e.g. following a
seal malfunction) and dispose of it.
Heating up the pumped liquid
Only necessary for pumped liquids that solidify when cold
(e.g. heavy heating oil).
1. Provide heating for the pumped liquid or the suction pipe.
2. Dimension the heating to ensure that the pumped liquid is
guaranteed to be in a liquid state, even when the pump
starts up.
16 SPF series BA-2014.01 626.0005 GB – 550 041

Setup and connection
5.5 Connecting the pipes
5.5.1 Keeping the pipes clean
NOTE
Material damage due to impurities in the pump!
Make sure no impurities can enter the pump.
1. Flush all pipe parts and fittings prior to assembly.
2. Ensure no flange seals protrude inwards.
3. Remove any blank flanges, plugs, protective foils and/or
protective paint from the flanges.
4. On welded pipes: Remove the welding beads.
5.5.2 Installing the suction pipe
1. Remove the transport and screw plugs from the pump.
2. To avoid air pockets:
– For supply operation: Run the pipes with a continuous
downward slope to the pump.
3. Ensure no seals protrude inwards.
4. On wet pit installations: Observe the minimum immersion
depth (→technical description).
5.5.3 Installing the pressure pipe
1. Remove the transport and screw plugs from the pump.
2. Install the pressure pipe.
3. Ensure no seals protrude inwards.
5.5.4 Checking the stress-free pipe connections
Piping installed and cooled down
NOTE
Material damage due to distorted pump casing
Ensure that all pipes are stress relieved when connected
to the pump.
1. Disconnect the pipe connecting flanges from the pump.
2. Check whether the pipes can be moved freely in all direc-
tions within the expected range of expansion:
– Nominal diameter < 150 mm: by hand
– Nominal diameter > 150 mm: with a small lever
3. Make sure the flange surfaces are parallel.
4. Reconnect the pipe connecting flanges to the pump.
5.6 Electrical connection
DANGER
Risk of death due to electric shock!
Have all electrical work carried out by qualified electricians
only.
5.6.1 Connecting the motor
Follow the instructions of the motor manufacturer.
1. Connect the motor according to the connection diagram.
2. Make sure no danger arises due to electric power.
3. Install an EMERGENCY STOP switch.
5.6.2 Connecting the filter heating (optional)
Connect electric filter heating properly (→Supplier docu-
mentation for filter heating).
5.6.3 Checking the sense of rotation
Only possible when putting the pump into service
(→6.1 Putting the pump into service for the first time,
Page 18).
626.0005 GB – 550 041 BA-2014.01 SPF series 17

Operation
6Operation
For pumps in explosion-hazard areas (→ATEX additional
instructions).
6.1 Putting the pump into service
for the first time
6.1.1 Removing the preservative
Only necessary for pumps treated for storage.
(→4.4 Removing the preservative, Page 13).
6.1.2 Preparing auxiliary systems (if available)
The manufacturer does not accept any liability for damage
caused by installing or using a third-party or unapproved
auxiliary system.
Pressure relief valve
Pressure relief valves supplied by the manufacturer are
pre-set.
Make sure the safety valve on the system side meets the
requirements of the pump.
Heating
1. Make sure that the pumped liquid is at the right temperature
(thatitisliquid).
2. Switch on the filter heating at least 2 hours before putting
thepumpintoservice.
6.1.3 Filling and bleeding
WARNING
Risk of injury and poisoning due to hazardous pumped
liquids!
Safely collect any leaking pumped liquid and dispose of it
in accordance with environmental rules and requirements.
1. On wet pit installations: Adhere to the minimum immersion
depth (→technical documentation).
2. Open the suction-side fitting.
3. Fill the pump and suction pipe with pumped liquid until
pumped liquid escapes without bubbles.
4. Open the pressure-side fitting.
5. Ensure that no pipe connections are leaking.
6.1.4 Checking the sense of rotation
Pump prepared, filled and bled properly
DANGER
Risk of injury due to running pump!
Do not touch the running pump.
Do not carry out any work on the running pump.
Allow the pump to cool down completely before starting any
work.
1. Open the pressure-side fitting.
2. Open the suction-side fitting.
3. Switch the motor on and immediately off again.
4. Check whether the motor's sense of rotation is the same
as that of the arrow on the pump.
5. If the sense of rotation is different:
– Swap two phases (→5.6.1 Connecting the motor,
Page 17).
6.1.5 Switching on
Pump set up and connected properly
Motor set up and connected properly
All connections stress-free and sealed
All safety equipment installed and tested for functionality
Pump prepared, filled and bled properly
Sufficient filling level in the container
DANGER
Risk of injury due to running pump or hot pump parts!
Do not touch the running pump.
Ensure that the coupling guard is attached.
Do not carry out any work on the running pump.
Allow the pump to cool down completely before starting any
work.
DANGER
Risk of injury and poisoning due to pumped liquid spray-
ing out!
Use personal protective equipment when carrying out any
work on the pump.
NOTE
Risk of cavitation when throttling down the suction flow
rate!
Fully open the suction-side fitting and do not use it to adjust
the flow rate.
18 SPF series BA-2014.01 626.0005 GB – 550 041

Operation
NOTE
Material damage due to excessive pressure!
Do not operate the pump while the pressure-side fitting is
closed.
NOTE
Material damage caused by dry running!
Make sure the pump is filled properly.
1. Open the pressure-side fitting.
2. Open the suction-side fitting.
3. Switch on the motor and make sure it is running smoothly.
4. Make sure the temperature rises at a rate of no more than
2K/min.
5. Make sure the minimum pumping pressure is above 2 bar.
6. After the first load under pressure and at operating temper-
ature, check that the pump is not leaking.
6.1.6 Switching off
WARNING
Risk of injury due to hot pump parts!
Use personal protective equipment when carrying out any
work on the pump.
1. Switch off the motor.
2. If there is no non-return valve in the pressure line: Close
the pressure-side fitting.
3. If necessary: Flush and empty the pump.
4. Check all tie bolts and tighten them if necessary.
6.2 Operation
6.2.1 Switching on
Pump initially put into service properly
Pumps filled and bled
Filter heating switched on at least 2 hours before the pump
is switched on
DANGER
Risk of injury due to running pump or hot pump parts!
Do not touch the running pump.
Ensure that the coupling guard is attached.
Do not carry out any work on the running pump.
Allow the pump to cool down completely before starting any
work.
DANGER
Risk of injury and poisoning due to pumped liquid spray-
ing out!
Use personal protective equipment when carrying out any
work on the pump.
NOTE
Risk of cavitation when throttling down the suction flow
rate!
Fully open the suction-side fitting and do not use it to adjust
the flow rate.
NOTE
Material damage caused by dry running!
Make sure the pump is filled properly.
1. Open the pressure-side fitting.
2. Open the suction-side fitting.
3. Switch on the motor and make sure it is running smoothly.
4. Make sure the temperature rises at a rate of no more than
2 K/min.
5. Make sure the minimum pumping pressure is above 2 bar.
626.0005 GB – 550 041 BA-2014.01 SPF series 19

Operation
6.2.3 Switching off
WARNING
Risk of injury due to hot pump parts!
Use protective equipment when carrying out any work on
the pump.
NOTE
Material damage due to deposits!
If the pumped liquid has crystallized, polymerized or solid-
ified
–Flushthepump
– Ensure that the flushing medium is compatible with the
pumped liquid
1. Switch off the motor.
2. If there is no non-return valve in the pressure line: Close
the pressure-side fitting.
3. If necessary: Flush and empty the pump.
6.3 Shutting down the pump
WARNING
Risk of injury and poisoning due to hazardous pumped
liquids!
Safely collect any leaking pumped liquid and dispose of it
in accordance with environmental rules and requirements.
Take the following measures whenever the pump is shut
down:
Pump is Measure
...shut down
for a prolonged
period
Take measures according to
the pumped liquid (→Ta b l e
7 Measures depending on the
behavior of the pumped liquid,
Page 20).
...emptied Close the suction-side and
pressure-side fittings.
...dismounted Isolate the motor from its power
supply and secure it against
unauthorized switch-on.
...put into
storage
Follow the storage instructions
(→4.3 Storage, Page 13).
Tab. 6 Measures to be taken if the pump is shut down
Duration of shutdown (depending
on process)
Behavior of the
pumped liquid
Short Long
Solids
sedimenting
Flush the
pump.
Flush the
pump.
Solidifying/
freezing,
non-corrosive
Heat up or
empty the
pump and
containers.
Empty the
pump and
containers.
Solidifying/
freezing,
corrosive
Heat up or
empty the
pump and
containers.
Empty the
pump and
containers.
Treat the
pump and
containers
with preser-
vative.
Remains liquid,
non-corrosive
––
Remains liquid,
corrosive
–Empty the
pump and
containers.
Treat the
pump and
containers
with preser-
vative.
Tab. 7 Measures depending on the behavior
of the pumped liquid
20 SPF series BA-2014.01 626.0005 GB – 550 041