KSB Etanorm FXV Installation instructions

Sprinkler Pump
Etanorm FXV
Installation/Operating Manual

Legal information/Copyright
Installation/Operating Manual Etanorm FXV
Original operating manual
All rights reserved. The contents provided herein must neither be distributed, copied, reproduced,
edited or processed for any other purpose, nor otherwise transmitted, published or made available to a
third party without the manufacturer's express written consent.
Subject to technical modification without prior notice.
© KSB SE & Co. KGaA, Frankenthal 09/08/2021

Contents
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Contents
Glossary .................................................................................................................................................. 5
1 General.................................................................................................................................................... 6
1.1 Principles ...........................................................................................................................................................6
1.2 Installation of partly completed machinery....................................................................................................6
1.3 Target group.....................................................................................................................................................6
1.4 Other applicable documents............................................................................................................................6
1.5 Symbols .............................................................................................................................................................6
1.6 Key to safety symbols/markings.......................................................................................................................7
2 Safety...................................................................................................................................................... 8
2.1 General..............................................................................................................................................................8
2.2 Intended use .....................................................................................................................................................8
2.3 Personnel qualification and training...............................................................................................................8
2.4 Consequences and risks caused by non-compliance with this manual .........................................................9
2.5 Safety awareness ..............................................................................................................................................9
2.6 Safety information for the operator/user.......................................................................................................9
2.7 Safety information for maintenance, inspection and installation ................................................................9
2.8 Unauthorised modes of operation................................................................................................................10
3 Transport/Storage/Disposal ................................................................................................................ 11
3.1 Checking the condition upon delivery..........................................................................................................11
3.2 Transport.........................................................................................................................................................11
3.3 Storage/preservation......................................................................................................................................12
3.4 Return to supplier...........................................................................................................................................12
3.5 Disposal ...........................................................................................................................................................13
4 Description of the Pump (Set)............................................................................................................. 14
4.1 General description ........................................................................................................................................14
4.2 Product information as per Regulation No. 1907/2006(REACH).................................................................14
4.3 Designation.....................................................................................................................................................14
4.4 Name plate......................................................................................................................................................14
4.5 Design details..................................................................................................................................................15
4.6 Configuration and function...........................................................................................................................16
4.7 Noise characteristics .......................................................................................................................................16
4.8 Scope of supply...............................................................................................................................................17
4.9 Dimensions and weights ................................................................................................................................17
5 Installation at Site................................................................................................................................ 18
5.1 Safety regulations...........................................................................................................................................18
5.2 Checks to be carried out prior to installation...............................................................................................18
5.3 Installing the pump set ..................................................................................................................................18
5.3.1 Installation on a foundation .............................................................................................................18
5.4 Piping ..............................................................................................................................................................19
5.4.1 Connecting the piping.......................................................................................................................19
5.4.2 Permissible forces and moments at the pump nozzles....................................................................21
5.4.3 Auxiliary connections.........................................................................................................................22
5.5 Enclosure/insulation .......................................................................................................................................22
5.6 Checking the coupling alignment .................................................................................................................22
5.7 Aligning the pump and motor ......................................................................................................................24
5.7.1 Levelling the pump set with adjusting screws .................................................................................24
5.7.2 Levelling the pump set without adjusting screws ...........................................................................25
5.8 Electrical connection ......................................................................................................................................26
5.9 Checking the direction of rotation................................................................................................................26
6 Commissioning/Start-up/Shutdown................................................................................................... 28
6.1 Commissioning/Start-up.................................................................................................................................28

Contents
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6.1.1 Prerequisites for commissioning/start-up .........................................................................................28
6.1.2 Priming and venting the pump.........................................................................................................28
6.1.3 Final check..........................................................................................................................................28
6.1.4 Starting up for a test run...................................................................................................................29
6.1.5 Checking the shaft seal......................................................................................................................29
6.1.6 Switching the pump set off after testing .........................................................................................30
6.2 Operating limits..............................................................................................................................................30
6.2.1 Ambient temperature........................................................................................................................30
6.2.2 Frequency of starts.............................................................................................................................30
6.2.3 Fluid handled .....................................................................................................................................31
6.3 Shutdown/storage/preservation ....................................................................................................................31
6.3.1 Measures to be taken for shutdown ................................................................................................31
6.4 Returning to service .......................................................................................................................................32
7 Servicing/Maintenance........................................................................................................................ 33
7.1 Safety regulations...........................................................................................................................................33
7.2 Servicing/Inspection........................................................................................................................................33
7.2.1 Supervision of operation...................................................................................................................33
7.2.2 Inspection work..................................................................................................................................35
7.2.3 Lubrication and lubricant change of rolling element bearings ......................................................35
7.3 Drainage/cleaning ..........................................................................................................................................37
7.4 Dismantling the pump set..............................................................................................................................37
7.4.1 General information/Safety regulations...........................................................................................37
7.4.2 Preparing the pump set.....................................................................................................................38
7.4.3 Removing the motor..........................................................................................................................38
7.4.4 Removing the back pull-out unit ......................................................................................................38
7.4.5 Removing the impeller ......................................................................................................................39
7.4.6 Removing the shaft seal ....................................................................................................................39
7.4.7 Dismantling the bearing assembly....................................................................................................40
7.5 Reassembling the pump set...........................................................................................................................41
7.5.1 General information/Safety regulations...........................................................................................41
7.5.2 Installing the bearing assembly ........................................................................................................42
7.5.3 Fitting the shaft seal..........................................................................................................................43
7.5.4 Fitting the impeller............................................................................................................................46
7.5.5 Installing the back pull-out unit .......................................................................................................46
7.5.6 Mounting the motor .........................................................................................................................46
7.6 Tightening torques.........................................................................................................................................47
7.6.1 Tightening torque pump...................................................................................................................47
7.6.2 Tightening torques for the pump set ...............................................................................................48
7.7 Spare parts stock.............................................................................................................................................49
7.7.1 Ordering spare parts..........................................................................................................................49
7.7.2 Recommended spare parts stock ......................................................................................................49
8 Trouble-shooting.................................................................................................................................. 51
9 Related Documents.............................................................................................................................. 53
9.1 General assembly drawing with list of components ....................................................................................53
9.1.1 Etanorm FXV ......................................................................................................................................53
10 EU Declaration of Conformity............................................................................................................. 57
11 Certificate of Decontamination........................................................................................................... 58
Index ..................................................................................................................................................... 59

Glossary
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Glossary
Back pull-out design
The complete back pull-out unit can be pulled out
without having to remove the pump casing from
the piping.
Back pull-out unit
Pump without pump casing; partly completed
machinery
Certificate of decontamination
A certificate of decontamination is enclosed by the
customer when returning the product to the
manufacturer to certify that the product has been
properly drained to eliminate any environmental
and health hazards arising from components in
contact with the fluid handled.
Discharge line
The pipeline which is connected to the discharge
nozzle
Hydraulic system
The part of the pump in which the kinetic energy
is converted into pressure energy
Pump
Machine without drive, additional components or
accessories
Pump set
Complete pump set consisting of pump, drive,
additional components and accessories
Suction lift line/suction head line
The pipeline which is connected to the suction
nozzle

1 General
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1 General
1.1 Principles
This operating manual is valid for the type series and variants indicated on the front
cover.
The operating manual describes the proper and safe use of this equipment in all
phases of operation.
The name plate indicates the type series and size, the main operating data, the order
number and the order item number. The order number and order item number
clearly identify the pump set and serve as identification for all further business
processes.
In the event of damage, immediately contact your nearest KSB service facility to
maintain the right to claim under warranty.
1.2 Installation of partly completed machinery
To install partly completed machinery supplied by KSB refer to the sub-sections under
Servicing/Maintenance.
1.3 Target group
This operating manual is aimed at the target group of trained and qualified specialist
technical personnel. (ðSection2.3,Page8)
1.4 Other applicable documents
Table1: Overview of other applicable documents
Document Contents
Data sheet Description of the technical data of the pump (set)
General arrangement drawing/
outline drawing
Description of mating and installation dimensions
for the pump (set), weights
Drawing of auxiliary connections Description of auxiliary connections
Hydraulic characteristic curve Characteristic curves showing head, NPSH
required, efficiency and power input
General assembly drawing1) Sectional drawing of the pump
Sub-supplier product literature1) Operating manuals and other product literature
describing accessories and integrated machinery
components
Spare parts lists1) Description of spare parts
Piping layout1) Description of auxiliary piping
List of components1) Description of all pump components
Assembly drawing1) Sectional drawing of the installed shaft seal
For accessories and/or integrated machinery components observe the relevant
manufacturer's product literature.
1.5 Symbols
Table2: Symbols used in this manual
Symbol Description
✓Conditions which need to be fulfilled before proceeding with the
step-by-step instructions
⊳Safety instructions
⇨Result of an action
⇨Cross-references
1If agreed to be included in the scope of supply

1 General
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Symbol Description
1.
2.
Step-by-step instructions
Note
Recommendations and important information on how to handle
the product
1.6 Key to safety symbols/markings
Table3: Definition of safety symbols/markings
Symbol Description
!DANGER
DANGER
This signal word indicates a high-risk hazard which, if not avoided,
will result in death or serious injury.
!WARNING
WARNING
This signal word indicates a medium-risk hazard which, if not
avoided, could result in death or serious injury.
CAUTION
CAUTION
This signal word indicates a hazard which, if not avoided, could
result in damage to the machine and its functions.
General hazard
In conjunction with one of the signal words this symbol indicates a
hazard which will or could result in death or serious injury.
Electrical hazard
In conjunction with one of the signal words this symbol indicates a
hazard involving electrical voltage and identifies information about
protection against electrical voltage.
Machine damage
In conjunction with the signal word CAUTION this symbol indicates
a hazard for the machine and its functions.

2 Safety
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2 Safety
!DANGER
All the information contained in this section refers to hazardous situations.
In addition to the present general safety information the action-related safety
information given in the other sections must be observed.
2.1 General
▪This operating manual contains general installation, operating and maintenance
instructions that must be observed to ensure safe operation of the system and
prevent personal injury and damage to property.
▪Comply with all the safety instructions given in the individual sections of this
operating manual.
▪The operating manual must be read and understood by the responsible specialist
personnel/operators prior to installation and commissioning.
▪The contents of this operating manual must be available to the specialist
personnel at the site at all times.
▪Information and markings attached directly to the product must always be
complied with and kept in a perfectly legible condition at all times. This applies
to, for example:
– Arrow indicating the direction of rotation
– Markings for connections
– Name plate
▪The operator is responsible for ensuring compliance with all local regulations not
taken into account.
2.2 Intended use
▪The pump (set) must only be operated in the fields of application and within the
use limits specified in the other applicable documents. (ðSection1.4,Page6)
▪Only operate pumps/pump sets which are in perfect technical condition.
▪Do not operate the pump (set) in partially assembled condition.
▪Only use the pump (set) to handle the fluids described in the data sheet or
product literature of the pump model.
▪Never operate the pump (set) without the fluid to be handled.
▪Observe the minimum flow rate and maximum flow rate indicated in the data
sheet or product literature (to prevent overheating, mechanical seal damage,
cavitation damage, bearing damage, etc).
▪Always operate the pump (set) in the direction of rotation it is intended for.
▪Do not throttle the flow rate on the suction side of the pump (to prevent
cavitation damage).
▪Consult the manufacturer about any use or mode of operation not described in
the data sheet or product literature.
2.3 Personnel qualification and training
All personnel involved must be fully qualified to transport, install, operate, maintain
and inspect the machinery this manual refers to.
The responsibilities, competence and supervision of all personnel involved in
transport, installation, operation, maintenance and inspection must be clearly
defined by the operator.
Deficits in knowledge must be rectified by means of training and instruction
provided by sufficiently trained specialist personnel. If required, the operator can
commission the manufacturer/supplier to train the personnel.
Training on the pump (set) must always be supervised by technical specialist
personnel.

2 Safety
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2.4 Consequences and risks caused by non-compliance with this manual
▪Non-compliance with these operating instructions will lead to forfeiture of
warranty cover and of any and all rights to claims for damages.
▪Non-compliance can, for example, have the following consequences:
– Hazards to persons due to electrical, thermal, mechanical and chemical
effects and explosions
– Failure of important product functions
– Failure of prescribed maintenance and servicing practices
– Hazard to the environment due to leakage of hazardous substances
2.5 Safety awareness
In addition to the safety information contained in this operating manual and the
intended use, the following safety regulations shall be complied with:
▪Accident prevention, health regulations and safety regulations
▪Explosion protection regulations
▪Safety regulations for handling hazardous substances
▪Applicable standards, directives and laws
2.6 Safety information for the operator/user
▪Fit protective equipment (e.g. contact guards) supplied by the operator for hot,
cold or moving parts, and check that the equipment functions properly.
▪Do not remove any protective equipment (e.g. contact guards) during operation.
▪Provide the personnel with protective equipment and make sure it is used.
▪Contain leakages (e.g. at the shaft seal) of hazardous fluids handled (e.g.
explosive, toxic, hot) so as to avoid any danger to persons and the environment.
Adhere to all relevant laws.
▪Eliminate all electrical hazards. (In this respect refer to the applicable national
safety regulations and/or regulations issued by the local energy supply
companies.)
▪If stopping the pump does not increase potential risk, fit an emergency-stop
control device in the immediate vicinity of the pump (set) during pump set
installation.
2.7 Safety information for maintenance, inspection and installation
▪Modifications or alterations of the pump (set) are only permitted with the
manufacturer's prior consent.
▪Use only original spare parts or parts/components authorised by the
manufacturer. The use of other parts/components can invalidate any liability of
the manufacturer for resulting damage.
▪The operator ensures that maintenance, inspection and installation are
performed by authorised, qualified specialist personnel who are thoroughly
familiar with the manual.
▪Only carry out work on the pump (set) during standstill of the pump.
▪Only perform work on the pump set when it has been disconnected from the
power supply (de-energised).
▪The pump (set) must have cooled down to ambient temperature.
▪Pump pressure must have been released and the pump must have been drained.

2 Safety
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▪When taking the pump set out of service always adhere to the procedure
described in the manual. (ðSection6.3,Page31)
▪Decontaminate pumps which handle fluids posing a health hazard.
(ðSection7.3,Page37)
▪As soon as the work has been completed, re-install and re-activate any safety-
relevant devices and protective devices. Before returning the product to service,
observe all instructions on commissioning. (ðSection6.1,Page28)
2.8 Unauthorised modes of operation
Never operate the pump (set) outside the limits stated in the data sheet and in this
manual.
The warranty relating to the operating reliability and safety of the supplied pump
(set) is only valid if the equipment is used in accordance with its intended use.
(ðSection2.2,Page8)

3 Transport/Storage/Disposal
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3 Transport/Storage/Disposal
3.1 Checking the condition upon delivery
1. On transfer of goods, check each packaging unit for damage.
2. In the event of in-transit damage, assess the exact damage, document it and
notify KSB or the supplying dealer and the insurer about the damage in writing
immediately.
3.2 Transport
DANGER
The pump (set) could slip out of the suspension arrangement
Danger to life from falling parts!
▷Always transport the pump (set) in the specified position.
▷Never attach the suspension arrangement to the free shaft end or the motor
eyebolt.
▷Observe the information about weights, centre of gravity and fastening points.
▷Observe the applicable local accident prevention regulations.
▷Use suitable, permitted lifting accessories, e.g. self-tightening lifting tongs.
To transport the pump/pump set or back pull-out unit suspend it from the lifting
tackle as shown.
Fig.1: Transporting the back pull-out unit
Fig.2: Transporting the pump
≤ 90 °
Fig.3: Transporting the pump set

3 Transport/Storage/Disposal
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≤ 90 °
Fig.4: Transporting the pump on the baseplate
3.3 Storage/preservation
CAUTION
Damage during storage due to humidity, dirt or vermin
Corrosion/contamination of the pump (set)!
▷For outdoor storage cover the pump (set) or the packaged pump (set) and
accessories with waterproof material.
CAUTION
Wet, contaminated or damaged openings and connections
Leakage or damage to the pump!
▷Clean and cover pump openings and connections as required prior to putting
the pump into storage.
If commissioning is to take place some time after delivery, we recommend that the
following measures be taken for pump (set) storage.
▪Store the pump (set) in a dry, protected room where the atmospheric humidity is
as constant as possible.
▪Rotate the shaft by hand once a month, e.g. via the motor fan.
If properly stored indoors, the pump set is protected for a maximum of 12 months.
New pumps/pump sets are supplied by our factory duly prepared for storage.
For storing a pump (set) which has already been operated, the shutdown measures
must be adhered to. (ðSection6.3.1,Page31)
3.4 Return to supplier
1. Drain the pump as per operating instructions. (ðSection7.3,Page37)
2. Flush and clean the pump, particularly if it has been used for handling noxious,
explosive, hot or other hazardous fluids.
3. If the pump has handled fluids whose residues could lead to corrosion damage
in the presence of atmospheric humidity or could ignite upon contact with
oxygen also neutralise the pump and blow through with anhydrous inert gas to
ensure drying.
4. Always complete and enclose a certificate of decontamination when returning
the pump.
Indicate any safety measures and decontamination measures taken.
(ðSection11,Page58)
NOTE
If required, a blank certificate of decontamination can be downloaded from the
following web site: www.ksb.com/certificate_of_decontamination

3 Transport/Storage/Disposal
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3.5 Disposal
WARNING
Fluids handled, consumables and supplies which are hot and/or pose a health
hazard
Hazard to persons and the environment!
▷Collect and properly dispose of flushing fluid and any fluid residues.
▷Wear safety clothing and a protective mask if required.
▷Observe all legal regulations on the disposal of fluids posing a health hazard.
1. Dismantle the pump (set).
Collect greases and other lubricants during dismantling.
2. Separate and sort the pump materials, e.g. by:
- Metals
- Plastics
- Electronic waste
- Greases and other lubricants
3. Dispose of materials in accordance with local regulations or in another
controlled manner.

4 Description of the Pump (Set)
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4 Description of the Pump (Set)
4.1 General description
▪Volute casing pump for sprinkler installations to VdS CEA 4001
4.2 Product information as per Regulation No. 1907/2006(REACH)
For information as per chemicals Regulation (EC) No. 1907/2006 (REACH), see https://
www.ksb.com/ksb-en/About-KSB/Corporate-responsibility/reach/ .
4.3 Designation
Example: Etanorm FXV 065-040-250 GB 10
Table4: Designation key
Code Description
Etanorm Type series
FXV Additional code
F Fire-fighting pump
X Special design
V VdS-approved
065 Nominal suction nozzle diameter [mm]
040 Nominal discharge nozzle diameter [mm]
250 Nominal impeller diameter [mm]
G Casing material
G Cast iron
B Bronze
S Nodular cast iron
B Impeller material
B Bronze
C Stainless steel
10 Shaft seal, e.g. Q1 Q1 X4GG
4.4 Name plate
KSB SE & Co. KGaA
Johann-Klein-Straße 9
67227 Frankenthal
Mat. No. 01493872 ZN 3814 - 36 DE
KSB Code
Jahr
VdS-Anerk.-Nr.
Q zul.
PN
Fabr.-Nr.
mm
Umschaltstrom Y→Δ
1/min
nN
Laufraddurchmesser
max. IA Direkt
l/min
A
A
Sprinklerpumpe Typ
H m
PMkW
bar
ETNF 100-080-250 GBVA 10GB309002B
ETANORM FXV 100-080-250
2018
9971581385 000100 01
3.164,00
2940
269
94,70
90,00
12,00
P 4940416
1
2
3
4
5
6
7
8
9
10
11
12
13
Fig.5: Name plate (example)
1 KSB Code 2 Type series, size
3 KSB order number,KSB order item
number and consecutive number
4 VdS-approved flow rate

4 Description of the Pump (Set)
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5 VdS-approved head 6 Required motor rating at 15m
NPSH
7 Nominal speed 8 Permissible nominal pressure
9 Year of construction 10 Impeller diameter [mm]
11 Maximum starting current2) 12 Switching current2)
13 VdS approval number
4.5 Design details
Design
▪Volute casing pump
▪Horizontal installation
▪Back pull-out design
▪Single-stage
Pump casing
▪Radially split volute casing
▪Volute casing with integrally cast pump feet
▪Replaceable casing wear rings
Impeller type
▪Closed radial impeller with multiply curved vanes
Shaft seal
▪Gland packing
▪Single mechanical seal to EN12756
▪Shaft equipped with replaceable shaft sleeve in the shaft seal area
Bearings
▪Grease-packed deep groove ball bearings
2Only for submersible borehole pumps

4 Description of the Pump (Set)
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4.6 Configuration and function
1
67 8
9
10
2 3 4 5
Fig.6: Sectional drawing
1 Clearance gap 2 Discharge nozzle
3 Casing cover 4 Shaft
5 Bearing bracket 6 Suction nozzle
7 Impeller 8 Shaft seal
9 Rolling element bearing, pump end 10 Rolling element bearing, motor end
Design The pump is designed with an axial fluid inlet and a radial outlet. The hydraulic
system runs in its own bearings and is connected to the motor by a shaft coupling.
Function The fluid enters the pump axially via the suction nozzle (6) and is accelerated
outward by the rotating impeller (7). In the flow passage of the pump casing the
kinetic energy of the fluid is converted into pressure energy. The fluid is pumped to
the discharge nozzle (2), where it leaves the pump. The clearance gap (1) prevents
any fluid from flowing back from the casing to the suction nozzle. At the rear side of
the impeller, the shaft (4) enters the casing via the casing cover (3). The shaft passage
through the cover is sealed to atmosphere with a shaft seal (8). The shaft runs in
rolling element bearings (9 and 10), which are supported by a bearing bracket (5)
linked with the pump casing and/or casing cover.
Sealing The pump is sealed by a shaft seal (standardised mechanical seal or gland packing).
4.7 Noise characteristics
Table5: Surface sound pressure level LpA
3)
Rated power input PN
[kW]
Pump Pump set
1450rpm
[dB]
2900rpm
[dB]
1450rpm
[dB]
2900rpm
[dB]
15 64 66 67 74
18,5 65 67 68 75
22 66 68 69 76
3Surface sound pressure level as per ISO 3744 and DIN EN ISO 20361 ; valid for a pump operating range of Q/
QBEP=0.8-1.1 and non-cavitating operation. If noise levels are to be guaranteed: Add +3dB for measuring
and constructional tolerance.

4 Description of the Pump (Set)
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Rated power input PN
[kW]
Pump Pump set
1450rpm
[dB]
2900rpm
[dB]
1450rpm
[dB]
2900rpm
[dB]
30 67 70 70 77
37 68 71 71 78
45 69 72 73 78
55 70 73 74 79
75 72 75 75 80
90 73 76 76 81
110 74 77 77 81
132 76 78 77 83
160 77 79 78 84
200 78 80 79 84
250 78 - 81 -
4.8 Scope of supply
Depending on the model, the following items are included in the scope of supply:
▪Pump
▪Baseplate
▪Coupling
▪Coupling guard
▪Drive
▪Supply system for double mechanical seal
4.9 Dimensions and weights
For dimensions and weights please refer to the general arrangement drawing/outline
drawing of the pump/pump set.

5 Installation at Site
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5 Installation at Site
5.1 Safety regulations
For positioning, installing and operating sprinkler pumps, always comply with the
following fire protection standards and fire protection directives:
▪VdS CEA 4001
▪CEA 4001
▪EN 12845
▪NFPA 20
5.2 Checks to be carried out prior to installation
Place of installation
WARNING
Installation on a mounting surface which is unsecured and cannot support the load
Personal injury and damage to property!
▷Use a concrete of compressive strength class C12/15 which meets the
requirements of exposure class XC1 to EN206-1.
▷The mounting surface must be set, flat, and level.
▷Observe the weights indicated.
1. Check the structural requirements.
All structural work required must have been prepared in accordance with the
dimensions stated in the outline drawing/general arrangement drawing.
5.3 Installing the pump set
Always install the pump set in a horizontal position.
5.3.1 Installation on a foundation
L1
32
Fig.7: Fitting the shims
L Bolt-to-bolt distance 1 Shim
2 Shim if (L) > 800mm 3 Foundation bolt
üThe foundation has the required strength and characteristics.
üThe foundation has been prepared in accordance with the dimensions given in
the outline drawing/general arrangement drawing.
1. Position the pump set on the foundation and level it with the help of a spirit
level placed on the shaft and discharge nozzle.
Permissible deviation: 0.2mm/m
2. Use shims (1) for height compensation, if necessary.
Always fit shims, if any, immediately to the left and right of the foundation
bolts (3) between the baseplate/foundation frame and the foundation.

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For a bolt-to-bolt distance (L) >800mm fit additional shims (2) halfway between
the bolt holes.
All shims must lie perfectly flush.
3. Insert the foundation bolts (3) into the holes provided.
4. Use concrete to set the foundation bolts (3) into the foundation.
5. Wait until the concrete has set firmly, then level the baseplate.
6. Tighten the foundation bolts (3) evenly and firmly.
NOTE
For optimum smooth running, baseplates should be grouted with low-shrinkage
concrete in the following cases:
- For all vibration-critical applications
- Baseplates with a width >400mm
- Baseplates made of grey cast iron
NOTE
For low-noise operation contact the manufacturer to check whether the pump set
can be installed on anti-vibration mounts.
NOTE
Expansion joints can be fitted between the pump and the suction/discharge line.
(Only if permitted in accordance with the fire protection directives!)
5.4 Piping
5.4.1 Connecting the piping
DANGER
Impermissible loads acting on the pump nozzles
Danger to life from escaping hot, toxic, corrosive or flammable fluids!
▷Do not use the pump as an anchorage point for the piping.
▷Anchor the pipes in close proximity to the pump and connect them properly
without transmitting any stresses or strains.
▷Observe the permissible forces and moments at the pump nozzles.
▷Take appropriate measures to compensate for thermal expansion of the piping.
CAUTION
Incorrect earthing during welding work at the piping
Destruction of rolling element bearings (pitting effect)!
▷Never earth the electric welding equipment on the pump or baseplate.
▷Prevent current flowing through the rolling element bearings.
NOTE
Installing check and shut-off elements in the system is recommended, depending on
the type of plant and pump. However, such elements must not obstruct proper
drainage or hinder disassembly of the pump.

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NOTE
VdS-certified pumps must be connected in compliance with the current VdS CEA
4001 regulations.
üSuction lift lines have been laid with a rising slope, suction head lines with a
downward slope towards the pump.
üA flow stabilisation section having a length equivalent to at least twice the
diameter of the suction flange has been provided upstream of the suction flange.
üThe nominal diameters of the pipelines are equal to or greater than the nominal
diameters of the pump nozzles.
The nominal diameter of the suction line shall be in compliance with VdS form
3003. The installation of check and shut-off valves is also defined by VdS form
3003.
üTo prevent excessive pressure losses, adapters to larger diameters must be in
accordance with the fire protection directives.
üThe pipelines have been anchored in close proximity to the pump and connected
without transmitting any stresses or strains.
1. Thoroughly clean, flush and blow through all vessels, pipelines and connections
(especially of new installations).
2. Before installing the pump in the piping, remove the flange covers on the
suction and discharge nozzles of the pump.
CAUTION
Welding beads, scale and other impurities in the piping
Damage to the pump!
▷Remove any impurities from the piping.
▷If necessary, install a filter.
▷Observe the information in (ðSection7.2.2.2,Page35) .
3. Check that the inside of the pump is free from any foreign objects. Remove any
foreign objects.
4. If required, install a filter in the piping (see drawing: Filter in the piping).
Observe the regulations laid down in the fire protection directives!
1
2
Fig.8: Filter in the piping
1 Differential pressure gauge 2 Filter
NOTE
Use a filter with laid-in wire mesh (mesh width 0.5mm, wire diameter 0.25mm) of
corrosion-resistant material.
Use a filter with a filter area three times the cross-section of the piping.
Conical filters have proved suitable.
5. Connect the pump nozzles to the piping.