Table Of Contents - Vexve BFS400W1 Installation, Operation And Maintenance Manual

Contents
1. General
2. Valve identification
3. Unloading and storage
4. Valve installation
4.1 Valve location in the pipeline
4.2 Installation positions of the valve
4.2.1
4.3 Pipeline supports and pipeline reducers
4.4 Installation at end of pipeline
4.5 Welding procedures
4.5.1
4.5.2
4.6 Installation of valve with flanged connections
4.7 Before commissioning
4.8 Flushing
4.9 Commissioning
4.10 Pressure test
5. Actuator disassembly and installation
5.1 Removing the actuator
5.2 Changing the actuator installation position
5.3 Actuator installation
5.4 Electric actuator
5.5 Hydraulic actuator
5.6 Actuator installation positions
6. Maintenance
6.1 Replacing the stem O-ring seal (BFS/BRS valves)
6.2 Replacing the stem graphite packing (BFC/BRC model)
7. Appendices
7.1 Parts list for BFS/BRS models
7.2 Parts list for BFC/BRC models
7.3 Type code
7.4 Coupling dimensions, BFS/BRS models
7.5 Coupling dimensions, BFC/BRC models
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Installation in a horizontal pipeline
Installation in a vertical pipeline
Welding with connection pipes (recommended method)
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