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 hazards................................................. 14
2.4.3 Thermal dangers...................................................... 14
2.4.4 Hazards due to hazardous substances and oper-
ating materials......................................................... 15
2.5 Behaviour in the event of an emergency.................... 16
2.6 Responsibility of the operating company.................... 16
2.7 Personnel requirements.............................................. 18
2.8 Personal protective equipment................................... 20
2.9 Spare parts................................................................. 21
2.10 Environmental protection.......................................... 22
3 Functional description..................................................... 23
3.1 Mode of operation of the high pressure swing check
valve........................................................................... 23
3.2 Seal to the outside...................................................... 24
3.3 Connections................................................................ 25
4 Transport and storage...................................................... 27
4.1 Safety notices for transport and storage..................... 27
4.2 Transport of packages................................................ 28
4.3 Storage of the valve.................................................... 30
4.4 Storage of spare parts................................................ 30
5 Installation......................................................................... 31
5.1 Safety notices for installation...................................... 31
5.2 Before the installation................................................. 32
5.3 Installing the valve...................................................... 33
5.4 After the installation.................................................... 33
5.4.1 Pickling the valve..................................................... 34
5.4.2 Painting the valve.................................................... 35
5.4.3 Executing the system pressure test and leak test... 35
5.4.4 Applying thermal insulation...................................... 35
6 Commissioning................................................................. 37
6.1 Safety notices for commissioning............................... 37
6.2 Prior to commissioning............................................... 39
6.3 Executing the commissioning process........................ 39
7 Maintenance...................................................................... 41
7.1 Safety instructions for maintenance............................ 41
Table of contents
20.05.2021 High pressure swing check valve DRI 5
