Table of contents
1 Overview.............................................................................. 7
2 Safety................................................................................... 9
2.1 Symbols in this manual................................................. 9
2.2 Intended use............................................................... 11
2.3 Safety signs................................................................ 12
2.4 Residual risks............................................................. 13
2.4.1 Basic dangers at the workplace............................... 13
2.4.2 Mechanical dangers................................................. 14
2.4.3 Thermal hazards...................................................... 14
2.4.4 Dangers due to hazardous substances and oper-
ating materials......................................................... 15
2.5 Behaviour in the event of an emergency.................... 17
2.6 Responsibility of the operating company.................... 17
2.7 Personnel requirements.............................................. 18
2.8 Personal protective equipment................................... 20
2.9 Spare parts................................................................. 21
2.10 Environmental protection.......................................... 23
3 Functional description..................................................... 25
3.1 How the swing check valve works.............................. 25
3.2 Attachment of the swing check plate (type-specific)... 26
3.3 Optional equipment..................................................... 28
3.4 External seal............................................................... 31
3.5 Connections................................................................ 32
4 Transport and storage...................................................... 33
4.1 Safety notices for transport and storage..................... 33
4.2 Transport of packed items.......................................... 34
4.3 Storage of the valve.................................................... 36
4.4 Storage of spare parts................................................ 36
5 Installation......................................................................... 37
5.1 Safety instructions for installation............................... 37
5.2 Before the installation................................................. 38
5.3 Installing the valve...................................................... 39
5.4 After the installation.................................................... 40
5.4.1 Pickling the valve..................................................... 41
5.4.2 Painting the valve.................................................... 41
5.4.3 Executing the system pressure test and leak test... 41
5.4.4 Applying thermal insulation...................................... 42
5.4.5 Setting the closing support (optional)...................... 43
6 Commissioning................................................................. 47
6.1 Safety instructions for commissioning........................ 47
6.2 Prior to commissioning............................................... 49
6.3 Performing the commissioning process...................... 49
Table of contents
20.05.2021 Swing check valves 640 AA / 640 AE 5
