Saturday, April 5, 2008
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Partial stroke test is one of the testing procedures to ensure reliability and availability of valves. This kind of test is required for critical valve and it helps to increase confident level and Safety Integration Level (SIL) of critical valves. Partial stroke testing identifies failure modes associated with the block valve actuator and a limited number of failure modes associated with the valve body or internals (e.g., valve stem damage and stem to valve connection).
A newly completed technical report, ISA-TR96.05.01-2008, Partial Stroke Testing of Automated Block Valves, addresses
A newly completed technical report, ISA-TR96.05.01-2008, Partial Stroke Testing of Automated Block Valves, addresses
- the applications when partial stroke testing may be useful
- the various methods used for partial stroke testing
- the advantages and disadvantages of each technology.
Related Post:
- Partial Stroke Testing for Emergency Shutdown Valves
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- Requirements of SDV Bypass Pressurization Line
- Controlled and Non-controlled Type Depressuring.
- How to apply valve equation in HYSYS Depressuring ?
- 12 Features required for Shutdown Valve (SDV)
Labels: Emergency Shutdown, Safety
posted by Webworm, 3:24 AM
1 Comments:
Complex control systems using valves requires an automatic control based input of an actuator. The actuator strokes the valve allowing the valve to be positioned accurately and allowing control over a variety of requirements.
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