END ARMATUREN TA Series Documento técnico
Butterfly Valves
Mounting and Operating Manual
END-Armaturen GmbH & Co. KG
Postfach (PLZ 32503) 100 341 · Oberbecksener Str. 78 · D-32547 Bad Oeynhausen · Telefon (05731) 7900-0 · Telefax (05731) 7900-199 · http://www.end.de
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© by END-Armaturen GmbH & Co. KG
All rights reserved. END-Armaturen GmbH & Co. KG claims copyright over this documentation.
This documentation may neither be altered, expanded, reproduced nor passed to third parties without the written
aggreement of END-Armaturen GmbH & Co. KG. This restriction also applies to the corresponding drawings.
END-Armaturen GmbH & Co. KG has the right to change parts of the butterfly valves at any time without prior
or direct notice to the client. The contents of this publication are subject to change without notice.
This publication has been written with great care. However, END-Armaturen GmbH & Co.KG cannot be held
responsible, either for any errors occuring in this publication or for their consequences.
The products are specified by the statements in this documentation; no assurance of the properties is given.
END-Armaturen GmbH & Co. KG
Oberbecksener Straße 78
D-32547 Bad Oeynhausen
Telefon: 05731 / 7900 - 0
Telefax: 05731 / 7900 - 199
Internet: http://www.end.de
E-Mail: [email protected]
Edition: 11/02
Impressum
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Contents
Contents
1 Foreword 4
2 General Advice 5
2.1 Validity 5
2.2 Inward monitoring 5
2.3 Complaints 5
2.4 Guarantee 5
2.5 Symbols and their signification 6
3 Safety advice 7
3.1 Personal safety 7
3.1.1 Safety advices for mounting 7
3.1.3 Safety advice for adjustment / starting 8
3.1.4 Safety advice for maintaining / repairing 9
3.2 Device safety 10
4 Name-plate 11
5 Butterfly Valve 12
5.1 General 12
5.2 Corresponding use 12
5.3 Operation 12
5.4 Mounting/Disassemble 12
5.4.1 Mounting of the snap-in disc and the handle 13
5.4.2 Mounting of a wafer type butterfly valve 15
5.4.3 Mounting of a LUG type butterfly valve 16
6 Maintenance 17
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1 Foreword
Dear customer,
Dear assembler / user,
these operation and installation manuals are intended to give you the knowledge, which is
necessary for you to be able to carry out the mounting and adjustment of the butterfly valves rapa-
idly and correctly.
Please read these instructions carefully and pay particular attention to the advice and warning
notes.
Only instructed and qualified mechanician should mount, adjust or maintain the butterfly valves.
If you have any questions in relation to the butterfly valves we shall be pleased to answer them.
The telephone number will be found on the inside cover of these operation and installation
manual.
Yours
END-Armaturen GmbH & Co. KG
Foreword
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2 General Advice
2.1 Validity
This mounting and installation manual is valid for the standard versions of the butterfly valves
TA, WA, WM and their variants
2.2 Inward monitoring
Please check directly after delivery the butterfly valves for any transport damages and deficiencies
and with reference to the accompanying delivery note the number of parts.
Do not leave any parts in the package.
2.3 Complaints
Claims for replacement or goods which relate to transport damage can only be considered valid if
the delivery company is notified without delay.
In case of returns (because of transport damage / repairs), please make a damage protocol and
send the parts back to the manufacturer, if possible in the original packaging.
In case of a return, please mention the following:
• Name and address of the consignee
• Stock-/ ordering-/ article-number
• Description of the defect
2.4 Guarantee
For our butterfly valves we give a guarantee period in accordance with the sales contract.
The end of the normal duration of life of the wearing parts represents no defect.
The warrenty and guarantee rules of END-Armaturen GmbH & Co. KG are applicable.
General Advice
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2.5 Symbols and their signification
Paragraphs which are identified with this symbol contain very important advices; this also includes
advices for averting health risks. Observe these paragraphs without fail!
Paragraphs which are identified with this symbol contain very important advices, this also includes
how to avoid damage to property. Observe these papgraphs without fail!
This symbol indicates paragraphs which contain comments / advices or tips.
This spanner identifies the description of actions which you should carry out.
Symbols and their Signification
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3 Safety advice
Depending on the technical circumstances and the time under and at which the butterfly valves
are mounted, adjusted and commissioned, you must take into account particular safety aspects in
each case!
If, for example, a butterfly valve works a slide in an operational chemical plant, the potential
hazards of commissioning have another dimension from that when this is only being carried out for
test purposes an a „dry“ part of the plant in the assembly room!
Since we do not know the circumstances at the time of the mounting/adjustment/commissioning,
you may find advices on hazards in the following descriptions which are not relevant to you.
Please observe (only) the advices which applies to your situation!
3.1 Personal safety
3.1.1 Safety advices for mounting
We wish to point out expressly that the mounting, adjusting and at accessories the pneumatical
and eletrical installation of the butterfly valves must be carried out by trained specialist person-
nel having mechanical, pneumatical and electrical knowledge!
Secure that the machine / plant come up to the Machinery Directice after the mounting and instal-
ling of the butterfly valves.
Switch off all the devices / machines / plant affected by mounting or repair.
If appropriate, isolate the devices / machines / plant from the mains.
Check (for example in chemical plants) whether the switching off of devices / machines / plant
will cause potential danger.
If appropriate, in the event of a fault in the butterfly valve (in a plant which is in operation) inform
the shift forman / safety engineer or the works manager without delay about the fault, in order,
for example, to avoid an outflow / overflow of chemicals or the discharge of gases in good time
by means of suitable measures!
Before mounting or repairing, remove the pressure from pneumatic / hydraulic devices / machi-
nes / plant.
If necessary, set up warning signs in order to prevent the inadvertent starting up of the devices /
machines / plant.
Observe the respective relevant professional safety and accident prevention regulations when
carrying out the mounting / repair work.
Check the correct functioning of the safety equipment (for example the emergency push off but-
tons/ safety valves, etc)!
Safety Advice
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3.1.3 Safety advice for adjustment / starting
As a result of the starting (pneumactic, electric or by hand) of the butterfly valves the flow of
gases, steam, liquids, etc. may be enabled or interrupted! Satisfy yourself that, as a result of the
starting or the test adjustment no potential hazards will be produced for the personnel or the
environment!
If necessary, set up warning signs in order to prevent the inadvertent starting up or shutting down
of the device / machine / plant.!
By ending the adjustment check the correct function and should the occasion arise the position
of the butterfly valve.
Check the function of the limit switches (option)!
Check, whether the butterfly valve will be closed totally, if the control signals the appropriate
limit stop!
Through suitable measures, prevent links being trapped by moving actuating elements!
Check the right function of all safety devices (for example emergency push off buttons / safety
valves)!
Carry out the starting and the adjustments only in accordance with the instructions discribed in
this documentation!
Adjusting switchs on butterfly valves with options (e.g. actuators, solenoid valves, limit swit-
ches) there is the risk that live parts (230 V AC~) can be touched!
Therefore the adjustments must be carried out only by the electrican or a person having adequate
training, who is aware of the potential hazard!
Safety Advice
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3.1.4 Safety advice for maintaining / repairing
Do not carry out any maintenances / repairs if the butterfly valve will be under pressure.
Before disassembling the butterfly valve some essential points should be clarified!
• Will the butterfly valve to be disassembled be replaced by another immediately?
• If appropriate, does the production process of the plant needed to be stopped?
• Is it necessary to inform specific personnel about the disassmbly?
If necessary, inform the shift foreman/ safety engineer or the manager about the maintenance
or repair without delay in order, for example, to avoid an outflow/ overflow of chemicals or a
discharge of gases in good time by means of suitable measures!
You have to relieve the pressure in the pipes in which the butterfly valve is mounted.
Switch off pilot pressure and the power supply and relieve the pressure in the pipes.
If necessary set up warning signs in order to prevent
• the inadvertent starting up of the devices/machines/plants in which the butterfl
valve is mounted
• the switching on of pilot medium supply, pilot power supply and/or the power supply
of actuators and accessories.
In case of defect in the butterfly vavle make contact to the supplier. The telephone number will be
found on the back cover of these mounting and installation manual.
If you ascertain a damage of the butterfly valve, isolate the device from the mains. Please observe
the safefy advices.
Do not mount, start or adjust the butterfly valve if itself, the pipes or a mounted actuator will be
damaged.
After the maintenance or repair check the right function of the butterfly valve and the tightness
of the pipe connections.
Also check the function of the accessories e.g. actuators, limit switches, etc.
Safety Advice
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3.2 Device safety
The butterfly valves
• are quality products which are produced in accordance to the recognized industrial
regulations.
• left the manufacturer`s work in a perfect safety condition.
In order to maintain this condition, as installer / user you must carry out your task in accordance
with the description in these instructions, technically correctly and with the greatest possible
precision .
We assume, as a trained specialist you are having mechanical and electrical knowledge!
Satisfy yourself that the butterfly vales will only be used within their admissible limiting value
(see the technical data) .
The butterfly valves must be used only for a purpose corresponding to their construction!
The butterfly valves must be used within the values specified in the technical data!
The operating of the butterfly valve outside the nominal temperature range could destroy the
sealings and the bearings.
The operating of the butterfly valves outside the nominal pressure range could destroy the inner
parts and the body.
Do not mount, start or adjust the butterfly valve if itself, the pipes or a mounted actuator will be
damaged.
After the maintenance or repair check the right function of the butterfly valve and the tightness
of the pipe connections.
Also check the function of the accessories e.g. actuators, limit switches, etc.
The assign accessories for the butterfly valves, e.g. actuator, solenoid valve, limit switch, etc.
will be estimate at their potenial ignition sources speparatly.
If the accessories are electrical parts we will enclose the declaration of conformity of our sup-
pliers. The declaration contains the number of the EC-Type Examination Certificate und the name
and the number of the notified body who make out the certificate.
Safety Advice
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