GEA VARIVENT N, Operating Instruction

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TABLE OF CONTENTS
1 General Information 5
1.1 Information on the Document 5
1.1.1 Binding Character of These Operating Instructions 5
1.1.2 Notes on the Illustrations 5
1.1.3 Symbols and Highlighting 5
1.2 Manufacturer address 6
1.3 Contact 6
1.4 EU Declaration of Conformity in accordance with the EC Machinery Directive 2006/42/EC 7
2 Safety 8
2.1 Intended use 8
2.1.1 Requirements for operation 8
2.1.2 Pressure equipment directive 8
2.1.3 ATEX directive 8
2.1.4 Improper operating conditions 8
2.2 Operator’s Duty of Care 9
2.3 Subsequent changes 10
2.4 General safety instructions and dangers 10
2.4.1 Principles for safe operation 10
2.4.2 Environmental Protection 10
2.4.3 Electrical Equipment 11
2.5 Supplementary Regulations 11
2.6 Qualification of personnel 11
2.7 Safety equipment 12
2.7.1 Signage 12
2.8 Residual dangers 13
2.9 Danger zones 14
3 Description 16
3.1 Design 16
3.2 Functional description 18
3.2.1 Valve N 18
3.2.2 Valve U 18
4 Transport and storage 20
4.1 Storage conditions 20
4.2 Transport 20
4.2.1 Scope of supply 21
5 Technical data 22
5.1 Type plate 22
5.2 Technical data 22
5.3 Resistance and permitted operating temperature of the sealing materials 25
5.4 Pipe ends - General table of measurements 26
5.5 Tool 27
5.6 Lubricants 27
5.7 Weights 27
6 Assembly and installation 29
6.1 Safety instructions 29
6.2 Notes on installation 29
6.3 Control head 29
6.4 Valve with Detachable Pipe Connection Elements 29
6.5 Valve with Welded Ends 30
6.6 Pneumatic connections 31
6.6.1 Air Requirement 31
6.6.2 Establishing Hose Connections 31
6.7 Electrical connection with T.VIS control top 32
7 Start-up 33
7.1 Safety instructions 33
7.2 Notes on commissioning 33
8 Operation and control 34
8.1 Safety instructions 34
9 Cleaning 35
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