(112c) Trip & Throttle Valve Reliability
AIChE Spring Meeting and Global Congress on Process Safety
2011
2011 Spring Meeting & 7th Global Congress on Process Safety
The 23rd Ethylene Producers’ Conference
Ethylene Plant Safety Paper Session
Wednesday, March 16, 2011 - 3:00pm to 3:25pm
Trip & Throttle Valve Reliability
Trip & Throttle (or Stop) valves are used in ethylene plants to isolate the energy to steam turbines when required. They are critical Safety Protection components with a high impact on a plant’s reliability; however, they operate under tough conditions like:High pressure & temperature
- Very infrequent operation
- And specifically in an Ethylene plant, very limited opportunities to test or maintain
During 2009/2010, a European Ethylene Producers Committee (EEPC) Issue Group was established to collect and share practical experience and knowledge about the performance of these valves and best practices for testing and maintenance. The effort was concentrated on “special purpose critical turbines”.
This paper summarizes the information compiled and analyzed by the Issue Group from 131 units in 28 European Ethylene plants, including information like:
- Valve manufacturer and type
- Maintenance criteria
- Relationship with Safety protection (SIL), testing
- Failure data
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Individuals
2011 Spring Meeting & 7th Global Congress on Process Safety
AIChE Pro Members | $150.00 |
AIChE Graduate Student Members | Free |
AIChE Undergraduate Student Members | Free |
AIChE Explorer Members | $225.00 |
Non-Members | $225.00 |
The 23rd Ethylene Producers’ Conference only
AIChE Pro Members | $100.00 |
Fuels and Petrochemicals Division Members | Free |
AIChE Graduate Student Members | Free |
AIChE Undergraduate Student Members | Free |
AIChE Explorer Members | $150.00 |
Non-Members | $150.00 |