TapFlo CTV 40-13.5 Bedienungsanleitung

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\\arbetsler\instruktioner\tapo\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

STOP

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 Qualication 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

Tapo 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:  TapoAB

Address: Filaregatan 4

S-442 34 Kungälv

Sweden

TapoAB,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 efcient 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 qualied to carry out the operations described in this manual. Tapo 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.

STOP

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

B D

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 specications 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 Tapo.

It is recommended to use only genuine Tapo 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.

STOP

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 inuence 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

Instruction manual CTV vertical pumps 8

1.5 Installation example

Flooded installation Installation with suction extension

Allinstallations

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

Floodedinstallations

7) Foot strainer 3-5 mm mesh if solids are present or in open tank/sump installations

Installationswithsuctionextension

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.

Importantlevelsanddimensions

1. INSTALLATION

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

E max

MIN start

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 specications 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

Instruction manual CTV vertical pumps 10

2. OPERATION

2.1 Start-up

- The motor shall be connected by qualied 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 backow 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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