TapFlo CTV 40-13.5 Manuale utente
Instruction manual
vertical centrifugal pumps
Instructions for installation, start up, operation,
maintenance and repair
Spare parts
Read this instruction manual carefully, before
you install and operate the pump
Edition 1/2008 hi\\arbetsler\instruktioner\tapo\pumpar\ctv vertical centrifugal pumps\ctv pumps instruction manual english rev 1 2008.indd
CTV series
Models
PP & PVDF:
CTV 25-9
CTV 25-10
CTV 25-11
CTV 25-11.5
CTV 32-8.5
CTV 32-10
CTV 32-12.5
stainless steel:
CTV 25-9
CTV 25-9.8
CTV 40-12.5
CTV 40-13.5
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English
Instruction manual CTV vertical pumps 2
CONTENTS
Chapter Content Page
CONTENTS 2
CE CERTIFICATE 3
0. GENERAL 4
0.1 Introduction 4
0.2 The warning symbols 4
0.3 Qualication and training of personnel 4
0.4 Description of the pump 5
0.5 General limits 5
0.6 Health & safety 6
1. INSTALLATION 7
1.1 Receiving inspection 7
1.2 Storage 7
1.3 Installation 7
1.4 Piping 7
1.5 Installation example 8
1.6 Instruments 9
1.7 Motor Connection 9
2. OPERATION 10
2.1.1 Starting the pump 10
2.1.2 Re-starting after power shutoff 10
2.2 Stopping the Pump 10
3. MAINTENANCE 11
3.1 Maintenance schedule 11
3.2 Trouble shooting 11
3.3 Assembly and disassembly 12
3.3.1 Assembly drawings 12
3.3.2 Dismantling PP & PVDF pumps 13
3.3.3 Dismantling stainless steel pumps 13
3.3.4 Parts inspection 13
3.3.5 Assembly of the pump - PP, PVDF and stainless steel pumps 13
4. SPARE PARTS 14
4.1 Spare parts CTV pumps in PP & PVDF 14
4.2 Spare parts CTV pumps in stainless steel 15
4.3 Stocking recommendation 16
4.4 Pump code 16
5. DATA 17
5.1 Performance curves 17
5.1.1 Performance curves PP & PVDF pumps 17
5.1.2 Performance curves stainless steel pumps 17
5.2 Technical data 18
5.2.1 Data PP & PVDF pumps 18
5.2.2 Data stainless steel pumps 19
6. WARRANTY & REPAIR 20
6.1 Returning parts 20
6.2 Warranty 20
6.3 Warranty form 22
Instruction manual CTV vertical pumps 3
Declaration of conformity
Machinery directive 89/392/EEC, Annex 2A
Tapo AB declares that:
Product name: Vertical centrifugal pumps
Models: CTV…
Is in conformity with the essential health and safety requirements and technical con-
struction le requirements of the EC Machinery directive 89/393/EEC with amendments
91/368/EEC, 93/94 EEC and 93/68 EEC.
Manufacturer: TapoAB
Address: Filaregatan 4
S-442 34 Kungälv
Sweden
TapoAB,january 1st 2008
Håkan Ekstrand
Managing director
CE CERTIFICATE
Instruction manual CTV vertical pumps 4
0. GENERAL
0.1 Introduction
CTV is a vertical, seal less centrifugal pump made from PP, PVDF or stainless steel AISI 316L.
With proper attention to maintenance, CTV pumps will give efcient and trouble free operation. This
instruction manual will familiarise operators with detailed information about installing, operating
and maintaining the pump.
0.2 The warning symbols
The following warning symbols are present in this instruction manual. This is what they say.
This symbol stands next to all safety instructions in this instruction manual where
danger to life and limb may occur. Observe these instructions and proceed with ut-
most caution in these situations. Inform also other users of all safety instructions. In
addition to the instructions in this instruction manual, the general safety and accident
prevention regulations must be observed.
This symbol signals possible danger caused by the presence of electric elds or live
wires.
This signal stands at points in this instruction manual of particular importance for com-
pliance with regulations and directives, for correct work ow and for the prevention of
damage to and destruction of the complete pump or its subassemblies.
0.3 Qualification and training of personnel
The personnel in charge of installation, the operation cycle and maintenance of the pumps we
produce must be qualied to carry out the operations described in this manual. Tapo shall not be
held responsible for the training level of personnel and for the fact that they are not fully aware of
the contents of this manual.
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Instruction manual CTV vertical pumps 5
0.4 Description of the pump
The CTV pumps are centrifugal, vertical, single-stage pumps with the pump casing directly submer-
ged in the liquid. It is driven by a non-synchronus electric motor. The inlet is axial, facing downwards
and has a BSP threaded connection. The discharge pipe is vertical, comming up through the base
plate and has a BSP threaded connection (other connection types available upon request).
0. GENERAL
E
A
B D
G
H
Outlet
Base plate
Pump casing
Electric motor
Inlet
0.5 General limits
CTV pumps are made from polypropylene (PP), polyvinylidene uoride (PVDF) or stainless steel
AISI 316L.
Temperature
General limits based on water. With other chemicals the limits may be reduced, please consult
us.
PP pumps: 70°C
PVDF pumps: 100°C
Stainless steel pumps: 100°C
Corrosion resistance
To determine the corrosion resistance of the different material options, the following information
about the liquid is required:
- Chemical and concentration
- Temperature
Check our chemical resistance guide or consult us for selection of suitable material.
Solids
The CTV pumps are generally insensitive to solids, max size of solids is 6 mm.
Dry running
CTV pumps can run dry without damage.
Instruction manual CTV vertical pumps 6
0. GENERAL
0.6 Health & safety
Electric safety
Do not carry out any maintenance operation on the pump while it is running or before it has been
disconnected from the power supply. Avoid any danger caused by electric power (for details see
current regulations in force). Check that electrical specications on the data plate are equivalent
to the power supply to which it will be connected.
Chemical hazards
Avoid pumping liquids, even in different moments that may cause chemical reactions without
having cleaned the pump.
Temperature hazards
The cold or hot parts of the machine must be protected to avoid accidental contacts.
Rotating parts
Do not tamper with the protection of the rotating parts, do not touch or approach rotating parts in
movement.
Noise level
CTV pumps, including the motor, in normal operating conditions produce a sound level below
80 dB(A). The major sources of noise are: liquid turbulence in the plant, cavitation or any other
abnormal operation that do not depend from the pump construction nor the pump manufacturer.
The user must provide suitable protective means if the sources of noise could produce a harmful
noise level for operators and for the environment (in compliance with current regulations).
Modifications and Spare parts
Any changes concerning the service of the pump as originally purchased, can be executed only
after written approval from Tapo.
It is recommended to use only genuine Tapo spare parts and approved accessories. The use
of non-original spare parts or non approved accessories will void warranty and removes any re-
sponsibility on our behalf for any damage caused to people or things.
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Instruction manual CTV vertical pumps 7
1.1 Receiving inspection
Although precaution is taken by us when packing and shipping, we urge you to carefully check
the shipment on receipt. Make sure that all parts and accessories listed on the packing list are
accounted for. Immediately report any damage or shortage to the transport company and to us.
1.2 Storage
- If the equipment is to be stored prior to installation, place it in a clean location.
- Do not remove the protective covers from the suction and discharge, which have been fastened
to keep pump internals free of debris.
- Store the pump on the motor fan cover in an upright position, or hang the pump from the cover
plate.
- Make sure to clean the pump thoroughly before installation.
1.3 Installation
- CTV pumps must be installed vertically and can be used in sumps, tanks and similar contai-
ners.
- For a safe "outside tank" installation always consult us for arrangement of neccessary modi-
cations.
- Install the pump on a rigid support and fastened by the cover plate.
1.4 Piping
A pump is generally part of a piping system that can include a number of components such as
valves, ttings, lters, expansion joints, instruments, etc. The way the piping is arranged and the
positioning of the components has a great inuence on operation and the operating life of the
pump. The pump cannot be used as a support for the components connected to it.
The ow of liquid from the pump must be as even as possible. It is advisable to avoid any tight
bends or drastic reductions of diameters that may cause ow resistance in the plant. In case of
diameter reduction, it is advisable to use appropriate conical reductions.
Discharge pipe
If the discharge height is more than 2 meters, a check valve shoiuld be installed in the discharge
line (see installation example, chapter 1.5)
Suction extension
Use of extension pipe is possible on CTV pumps to allow emptying from a lower level. The liquid
level can drop under the impeller (pump casing) during operation. However during startup the level
must always be over the impeller (pump casing). See installation example, chapter 1.5.
Return flow
To avoid return ow, a check valve is recommended on the discharge side as near to the pumps
as possible. It is of greatest importance in installations with high discharge height. See installation
example, chapter 1.5.
1. INSTALLATION
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Instruction manual CTV vertical pumps 8
1.5 Installation example
Flooded installation Installation with suction extension
Allinstallations
1) Valve for ow control (diaphragm valve or similar)
2) Non-return valve (check valve) on discharge side as near the pump as possible
3) Connection point for pressure gauge or pressure switch
4) Divert discharge with 45° bend to enable better space when lifting the pump
5) Quick connection between pump and pipe system for easy disconnection
6) Arrange for drainage of liquide from the base plate
Floodedinstallations
7) Foot strainer 3-5 mm mesh if solids are present or in open tank/sump installations
Installationswithsuctionextension
8) Vertical suction extension allowed. Size of pipe shall correspond with connection size. No
complex piping system on suction side. In particular applications, use of bottom valve (ball
type) may be used, consult us.
Importantlevelsanddimensions
1. INSTALLATION
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1
2
3
4
5
6
7
8
PP & PVDF pumps stainless steel pumps Comment
H min (mm / inch) 50 / 2.0 80 / 3.1 Minimum distance at max level
MIN start (mm / inch) 170 / 6.7 170 / 6.7 Min level during startup
MIN (mm / inch) 80 / 3.1 80 / 3.1 Min level during operation
S min (mm / inch) 50 / 2.0 50 / 2.0 Min distance to bottom of tank/sump
E max @ 25°C (mm / inch) 1000 / 39 1000 / 39 Max length suction extension
E max @ 40°C (mm / inch) 500 / 19 500 / 19
E max @ 60°C (mm / inch) - - Impeller must always be submerged
H min
S min
S min
E max
MIN start
MIN start
MIN
MIN
H min
Instruction manual CTV vertical pumps 9
1.6 Instruments
In order to ensure a reasonable control of the performance and the conditions of the pump instal-
led, we recommend using the following instruments:
- a pressure-vacuum gauge on the delivery piping.
The output can be read on the pressure, transformed into meters and then compared with the
typical curves.
Electric power
The electric power absorbed by the motor can be measured with wattmeters.
Optional instruments
The optional instruments can advise of abnormal operating conditions of pumps, such as: valves
closed accidentally, missing liquid, overloads, etc.
Thermometer
If the temperature of the pumped liquid can be a critical element, provide a thermometer.
1.7 Motor Connection
An expert electrician must always carry out the electrical connection. Compare the power supply
with the data plate specications and then choose a suitable connection. The type of connection
is stated on the motor data plate that can be Y (star) or D (Delta), according to the power supply
of the motor (see gure).
Star connection YDelta connection D
Follow the prescriptions of the local electricity board for the connection. In no case connect the elec-
trical motors directly to mains but also t in between a suitable electric switchboard equipped with a
knife switch and suitable safety devices. Safety devices against overloads must protect the motors.
Make sure that the motor has suitable grounding and that it has been connected properly.
1. INSTALLATION
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Instruction manual CTV vertical pumps 10
2. OPERATION
2.1 Start-up
- The motor shall be connected by qualied personnel only.
- Check manually that the motor is free to turn, moving the motor cooling fan.
- Make sure that the piping is not clogged and is free from residues or foreign objects.
- Bump start the motor to determine the direction of rotation (indicated with an arrow on the
motor). If change is necessary, follow instruction in chapter 1.7.
- The shutoff/regulation valve on the discharge side must be almost completely closed at start-
up.
- Any auxiliary connections must all be connected.
2.1.1 Starting the pump
- When ever starting the pump, the pump casing must be lled with liquid, see MIN start level in
chapter 1.5.
- Start the electric motor and open the discharge adjustment/shutoff valve gradually until the
desired output has been reached. The pump must not turn more than two or three minutes with
discharge closed. A longer operation in these conditions can damage the pump.
- If the pressure shown on the pressure gauge on the discharge piping does not increase, turn
off the pump immediately and release pressure carefully. Repeat the connection procedure.
- If there are changes of ow-rate, head, density, temperature or viscosity of the liquid, stop the
pump and get in touch with our technical service.
- During operation, make sure the liquid level is within the limits, see levels H min and MIN in
chapter 1.5.
2.1.2 Re-starting after power shutoff
In case of accidental stopping, make sure that the non-return valve has prevented backow and
check that the motor cooling fan has stopped. Start the pump again following the instructions of
chapter 2.1.1 ”Starting the pump”.
2.2 Stopping the Pump
It is advisable to close the discharge adjustment/shutoff valve gradually and stop the motor imme-
diately after. The reverse sequence is not recommendable, especially with larger pumps or longer
delivery piping. That is to avoid any problems due to water hammering.
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