Title: BREECHLOCK CLOSURE HIGH PRESSURE HEAT EXCHANGERS
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- Invented and developed in 1960 by Standard Oil
Co. of California . The first breech-lock was
put into operation in 1966. - Rights of technology remain with Chevron Research
Company of California. - In 1982, ABB LUMMUS HEAT TRANSFER became a
licensee for the worldwide marketing of high
pressure Breech-Lock heat exchangers. - Since 1982 IMB was ABB LHT licensee and
contributed to the further developement of the
Breech-Lock internals design. - Over 600 Breech-Lock high pressure heat
exchangers are in operation worldwide.
Approximately 300 have been manufactured by IMB. - Finds applications in refinery units operating at
high pressure and temperature with hydrogen rich
streams such as Hydrocrackers.
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- APPLICATIONS
- High Temperature/High Pressure Units
- Hydrocrackers / Hydrotreaters
- Gas Compression
- Ammonia Synthesis
- Miscellaneous
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by curtesy of SHELL PERNIS
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- MAIN FEATURES
- Reliable High Pressure Performance Sealing
- Easy Dismantling/Reassembly for Inspection
- Avoidance of High Stressed Zones in Pressure
Parts - In Service Seating of Internal Gaskets
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- Closure Features and Advantages
- Hydrostatic Load Of Channel Cover Is Absorbed by
the Channel Forging - No Threaded Holes in Forging or in the Cladding
- Tightening of Gasket by Relatively Small Bolts
- Spiral Wound Gaskets are Used in the Girth Joints
- Channel Cover is Relatively Thin and Light
- Re-Tightening of Tubesheet Gasket During
Operation Possible. - Easy and Quick Maintenance
- All Channel Parts can be Removed Without Cutting.
- No Need of Welding During Re-Installation of
Channel Parts.
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- Assembling Dismantling Jig
- Unique, proprietary design
- Self sustained on the equipment
- Self alligning
- Reduced maintenance time
- One single jig is suitable for different size
item - Easy to store
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