Metso Jamesbury 4000 Series User Manual

2 Jamesbury 3-Piece Ball Valves, Series 4000, Threaded End, Socket Weld, Butt Weld, Rev 2.0, Safety Manual
Table of Contents
1 Introduction .............................................................................................................................................3
2 Structure of the 3-piece ball valves ........................................................................................................ 3
2.1 Components and description of use .......................................................................................................................... 3
2.2 Permitted valve types ..................................................................................................................................................... 3
2.3 Supplementary valve documentation ...................................................................................................................... 3
3 Using the 3-piece ball valve in safety systems ......................................................................................3
3.1 Safety function ................................................................................................................................................................... 3
3.2 Environmental and application restrictions ............................................................................................................ 4
3.3 Useful lifetime ....................................................................................................................................................................4
3.4 Connecting the 3-piece ball valve to a safety system .......................................................................................... 4
3.5 Random hardware integrity ........................................................................................................................................ 5
3.6 Systematic integrity .......................................................................................................................................................... 5
3.7 Additional information .................................................................................................................................................... 5
4 Installation ...............................................................................................................................................6
5 Operation .................................................................................................................................................6
5.1 Recommended proof test ..............................................................................................................................................6
5.2 Recommended partial stroke test .............................................................................................................................. 6
5.3 Maintenance ....................................................................................................................................................................... 7
6 References ................................................................................................................................................7
Appendix 1. Examples of reliability (PFD) calculations for complete nal elements ..................................................... 7
Appendix 2. Equations to calculate PFD for 1oo1 and 1oo1D nal elements.................................................................. 8

Metso Jamesbury 4000 Series Specifications

General

Brand	Metso
Model	Jamesbury 4000 Series
Category	Control Unit
Language	English