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General| Brand | Metso |
|---|---|
| Model | Jamesbury 4000 Series |
| Category | Control Unit |
| Language | English |
Explains the manual's role in integrating Metso Jamesbury valves into safety systems per IEC 61508.
Describes the Series 4000 3-piece ball valve as a quarter turn automated on/off valve.
Details components and usage of the 3-piece ball valves for technical description.
Covers valve types permitted for use in safety systems, based on type coding.
Lists additional documentation such as IMO and Technical Bulletin for valve information.
Explains the fail-safe position and safety action initiated by solenoid or partial stroke device.
Details requirements for correct application, process, and atmospheric conditions for reliability.
Defines the typical 10-15 year useful lifetime for reliability estimations, considering maintenance.
Describes connection to safety systems via electrical connection and partial stroke devices.
Presents reliability numbers and failure rates for Series 4000 valves with and without partial stroke testing.
Addresses requirements for systematic integrity up to SIL 3, including design and manufacturing controls.
Notes personnel competence and component operational readiness before startup.
Specifies installation by competent persons according to Metso instructions and pipeline standards.
Outlines the procedure for proof testing to detect failures in the final element subsystem.
Details partial stroke testing for early failure detection and reducing failure on demand probability.
Covers repair by Metso or competent personnel, including shell testing and spare parts.
Lists all cited documents, including manuals, technical bulletins, and relevant standards.
Example calculations for PFD of valve assemblies with partial stroke and solenoid control.
Provides equations for calculating PFD based on IEC 61508 and ISA TR-96.05.01 standards.
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