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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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