SOMAS MTV Bedienungsanleitung
Mi-205 EN
Operation and service instruction
Buttery valves
Type MTV/FSV
Type MTV/FSVW Wafer design
Type MTVF/FSVF Flanged design
Type MTVL/FSVL Lugged design
Type FSVG Wafer design with guiding lugs
Nominal pressure PN 10 - 25, Class 150
Nominal Size DN 80 - 500 MTV,MTVF
DN 100 - 500 FSVW/FSVF/FSVL/FSVG
DN 80 - 350 MTVL
Edition: 2021-04
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Edition: 2021-04 Original document - Mi-205 EN
Introduction
This operating manual is intended for the operating, maintenance and
supervisory personnel.
This operating manual also describes components, equipment and ancillary units
which are not or only partially included in the scope of supply.
The operating personnel must have read, understood and must comply with this
operating manual.
We keep the right to do any technical changes which are necessary to improve the
product without prior notice.
Copyright
Copyright by SOMAS Instrument AB. No part of this publication may be
reproduced, stored in a retrieval system, or transmitted in any form or by any
means, graphic, electronic, mechanical, photocopying, recording, taping, or
otherwise without the prior permission of the copyright owner.
Supplier
SOMAS Instrument AB
Norrlandsvägen 26-28
SE-661 40 SÄFFLE
SWEDEN
Phone: +46 (0)533 167 00
E-mail: sales@somas.se
Website: www.somas.se
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Original document - Mi-205 EN Edition: 2021-04
Contents
1 Introductory information 6
1.1 Explanation of warnings, symbols and signs 6
1.1.1 Warnings 6
1.1.2 Symbols and signs 7
2 Safety 8
2.1 Safety instructions 8
2.1.1 General dangers 8
2.1.2 Hazards due to electrical equipment 8
2.1.3 Additional hazards 8
2.1.4 State of the art 9
2.1.5 Preconditions for using the valve 9
2.2 Designated use of the valve 10
2.2.1 Use 10
2.2.2 Liability for non-designated use 10
2.3 Organizational measures 11
2.3.1 Availability of operating manual 11
2.3.2 Additional regulations 11
2.3.3 Checks 11
2.3.4 Protective equipment 11
2.3.5 Rebuilds or modifications at the valve 11
2.3.6 Replacing damaged parts 11
2.4 Selection and qualification of personnel 11
2.5 Safety instructions for butterfly valves 12
3 Description 15
3.1 General information 15
3.2 Function of the valve 15
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Edition: 2021-04 Original document - Mi-205 EN
4 Technical specifications 17
4.1 Specifications 17
4.1.1 Gaskets 17
4.2 Fastening torque for flanges 19
4.2.1 Fastening torque for flanges valve body 19
4.2.2 Fastening torque for stuffing box 20
4.2.3 Tightening torque for screws in valves 21
5 Assembly 22
5.1 Unpacking and transportation 22
5.2 Installation of the valve in the pipeline 23
5.2.1 Important information for installation 24
5.2.2 End of line installations 24
5.3 Start up 26
5.4 Disassembly of the pneumatic actuator 27
5.5 Positioning of the shaft with disassembled actuator 28
5.6 Assembly of the pneumatic actuator 29
5.6.1 Actuator mounting alternatives 31
6 Maintenance 32
6.1 Disassembly of the butterfly valve from pipeline 32
6.2 Maintenance 33
6.2.1 Procedure to evaluate a leakage on a butterfly valve with pneumatic 34
actuator installed in a pipeline
6.2.2 Procedure to evaluate a leakage on a butterfly valve with gear 36
installed in a pipeline
6.3 Installation and disassembly of the stuffing box 38
6.4 Replacing the seat (standard metal seat) 40
6.4.1 Disassembly 41
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Original document - Mi-205 EN Edition: 2021-04
6.4.2 Cleaning, lubrication and assembly 41
6.5 Replacing the PTFE seat 42
6.5.1 Disassembly 43
6.5.2 Cleaning, lubrication and assembly 43
6.6 Replacing the Fire safe seat 44
6.6.1 Disassembly 45
6.6.2 Cleaning, lubrication and assembly 45
6.7 Adjustment of the end position on pneumatic actuator 46
6.7.1 Setting of the ”closed” position on the butterfly valve 47
6.7.2 Setting of the ”open” position on the butterfly valve 47
6.8 Adjustment of the end position on gear 48
6.8.1 Setting of the ”closed” position on the butterfly valve 49
6.8.2 Setting of the ”open” position on the butterfly valve 49
6.9 Leak test of the valve 50
6.10 Components 52
6.10.1 MTV DN 80-150, with metal seat 52
6.10.2 MTV DN 200-300, with metal seat 53
6.10.3 MTV DN 350-500, with metal seat 54
6.10.4 MTV DN 80-150, with PTFE seat 55
6.10.5 MTV DN 200-300, with PTFE seat 56
6.10.6 MTV DN 350-500, with PTFE seat 57
6.10.7 FSV DN 100-150, with Fire safe seat 58
6.10.8 FSV DN 200-500, with Fire safe seat 59
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Edition: 2021-04 Original document - Mi-205 EN
1 Introductory information
To enable you to find information quickly and reliably in the operation manual,
this chapter familiarises you with the structure of the operating manual.
This manual uses symbols and special characters which make it easier for you to
find information. Please read the explanations of the symbols given in the section
below.
Ensure that you read all the safety instructions in this operating manual very
carefully.
You will find safety instructions in section 2, in the foreword to the sections and
before any working instructions.
1.1 Explanation of warnings, symbols and signs
1.1.1 Warnings
Warnings are used in this operating manual to warn against injury and material
damage. Always read and observe these warnings! Warnings are identified by the
following symbols:
In this manual are used diverse types of safety and warning notices:
Danger!
International
Safety symbol
Type of danger.
Advise for imminent danger. Not attention of the advices could be mortal or cause severe
injuries as a consequence.
Explanation of the countermeasures.
Warning!
International
Safety symbol
Type of danger.
Advise for imminent danger. Not attention of the advices could cause severe injuries or property
damage as a consequence.
Explanation of the countermeasures.
Attention!
International
Safety symbol
Type of danger.
Advise for possible danger. Not attention of the advices could cause property damage as a
consequence.
Explanation of the countermeasures.
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Original document - Mi-205 EN Edition: 2021-04
Note
i
Advices and give tips for better understanding of the manual or a better handling of the valve.
1.1.2 Symbols and signs
Symbols and signs are used in this operating manual to provide fast access to
information.
1.1.2.1 Symbols and signs in the text
Symbol Denotation Explanation
Operating instructions This means there is an action to be carried out.
1.
2.
Operating instructions,
multi-step
Work instructions must be carried out in the
sequence shown.
Deviations from the sequence shown may result in
damages to the valve and accidents.
•
–
Lists, two-stage No activities are linked with lists.
➔Cross-reference References to images, tables, other sections or other
instructions.
Tab.1-1 Symbols in the text
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Edition: 2021-04 Original document - Mi-205 EN
2 Safety
2.1 Safety instructions
2.1.1 General dangers
Sources of danger resulting in general hazards:
• Mechanical hazards
• Electrical hazards
2.1.2 Hazards due to electrical equipment
Due to the permanent dampness, electrically-operated machine parts
represent a potential source of danger.
Comply with all regulations on electrical equipment in damp areas!
2.1.3 Additional hazards
2.1.3.1 Entanglement, crushing and cut/sever hazards
• by moving machine parts left exposed, by removing covers for inspection,
sampling, etc.
• by automatic operated valves
2.1.3.2 Burning or scalding hazards
• by opening or leaving open function-check and/or sampling openings
on systems operating at high temperatures (above 40°C)
• by operating temperature >= 70°C. Short contacts (approx. 1s) of the skin
with the surface of the valve may cause burns (pr EN 563)
• by operating temperature = 65°C. Longer contacts (approx. 3s) of the skin
with the surface of the valve may cause burns (pr EN 563)
• by operating temperature 55°C…65°C. Longer contacts (approx. 10 ... 3s)
of the skin with the surface of the valve may cause burns (pr EN 563)
2.1.3.3 Explosion hazards
A high surface temperature on a valve and actuator, constitutes (a risk for burn
injuries, and) a risk of ignition of explosive atmospheres in ATEX applications.
The surface temperature of the equipment is not dependent on the equipment
itself, but on the ambient conditions and the process conditions. The protection
from the surface temperature is the responsibility of the end user, and must be
effectuated before the equipment is put into service.
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Original document - Mi-205 EN Edition: 2021-04
2.1.4 State of the art
This product has been built by SOMAS Instrument AB in accordance with state-
of-the-art standards and the recognized safety rules. Nevertheless, its use may
constitute a risk to life and limb of the user or of third parties, or cause damage
to the valve and to other material property, if:
• the product is not used as designated
• the product is operated or repaired by untrained personnel
• the product is modified or converted improperly and/or
• the safety instructions are not observed
Therefore, every person involved in erecting, operating, inspecting, maintaining,
servicing and repairing the valve must read, understand and observe the complete
operating instructions, particularly the safety instructions.
2.1.5 Preconditions for using the valve
The valve only has to be used:
• in perfect technical condition
• as designated
• according to the instructions in the operating manual, and only by safety-
conscious persons who are fully aware of the risks involved in operating the
valve
• if all protective devices are installed and operative
Rectify immediately any functional disorders, especially those affecting the safety
of the valve!
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Edition: 2021-04 Original document - Mi-205 EN
2.2 Designated use of the valve
2.2.1 Use
The valves are appropriate to be used in pulp and paper industry, chemical
industry, shipbuilding industry, energy industry and offshore industry.
Particular data to the operation and limit values are specified on the data sheet
“Si-205EN (MTV) and Si-202EN (FSV)”.
The operating values, limit values and setting data must not deviate from the
values specified in the operating manual and correspondig information sheet
without consulting the manufacturer! The manufacturer cannot be held liable
for any damages resulting from non-observance of the operating manual.
The user is responsible for knowing the impact from the media on the valve,
the resulting wear rate, and establishing maintenance interval, to maintain safe
operation.
2.2.2 Liability for non-designated use
Using the valve for other purposes than those mentioned previously is considered
contrary to its designated use. For resulting damages of this, SOMAS Instrument
AB is not liable! The user take the risk.
Dieses Handbuch passt für folgende Modelle
6
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