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Pressure Piping Analysis
Nate Laverdure LCLS-II 2 K Cold Box FDR March 9, 2017
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Volumes within the piping pressure system
Outline Pressure systems Volumes within the piping pressure system Limiting components Safety relief valves Component pressure ratings JLab pressure systems documentation LCLS-II 2 K CBX FDR, Mar 9, 2017
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Pressure systems of the 2K Cold Box
79222-PS-101 CP1 2K Cold Box Shell LCLS-II 2 K CBX FDR, Mar 9, 2017
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Pressure systems of the 2K Cold Box
79222-PS-102 CP1 2K Cold Box Compressors LCLS-II 2 K CBX FDR, Mar 9, 2017
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Pressure systems of the 2K Cold Box
79222-PS-104 CP1 2K Cold Box Vacuum Sys LCLS-II 2 K CBX FDR, Mar 9, 2017
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Pressure systems of the 2K Cold Box
79222-PS-103 CP1 2K Cold Box Piping LCLS-II 2 K CBX FDR, Mar 9, 2017
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Pressure systems of the 2K Cold Box
Pressure system no. Title Classification 79222-PS-101 CP1 2K Cold Box Shell Category 2 vacuum system with volume greater than 35 ft3 79222-PS-102 CP1 2K Cold Box Compressors Pressure piping 79222-PS-103 CP1 2K Cold Box Piping Various 79222-PS-104 CP1 2K Cold Box Vacuum System with volume less than 35 ft3 LCLS-II 2 K CBX FDR, Mar 9, 2017
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79222-PS-103 CP1 2K Cold Box Piping volumes
Design pressure rating Classification Process relief Cold compressor suction Full vacuum to 45 psig ASME B31.3 category Normal RV41722 within PS-001 CP1 Interface Box Cold compressor return Full vacuum to 75 psig RV22190 within PS-109 CP1 4.5K Lower Cold Box Piping 4K vapor make-up RV31030 within PS-101 CP1 LHe Dewar Thermal reliefs for these volumes are described in P0001 2K Cold Box Relief Valves. LCLS-II 2 K CBX FDR, Mar 9, 2017
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79222-PS-103 CP1 2K Cold Box Piping volumes
Design pressure rating Classification Process relief Helium cleanup/ recovery return Full vacuum to 150 psig ASME B31.3 category Normal RV71010 within PS-111 CP1 Helium Supply/ Recovery/Clean-up Piping 3 atm purge helium supply ASME B31.3 category D RV11025 Instrument air 150 psig RV82060 within PS-103 CP1 Instrument Air Piping LCLS-II 2 K CBX FDR, Mar 9, 2017
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79222-PS-103 CP1 2K Cold Box Piping volumes
Design pressure rating Classification Process relief Cooling water supply and return 100 psig ASME B31.3 category D RV23402 within PS-103 CP1 Turbine/CC Cooling Water Piping Guard vacuum Full vacuum to <15 psig Category 2 vacuum system with volume less than 35 ft3 RV84020 within PS-101 CP1 Guard Vacuum Piping Relief valve discharge collector RV41712 LCLS-II 2 K CBX FDR, Mar 9, 2017
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79222-PS-103 CP1 2K Cold Box Piping volumes
LCLS-II 2 K CBX FDR, Mar 9, 2017
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Component pressure ratings
3-1/8” bayonets 12.4 bara [1] 5-3/16” bayonets 6.2 bara [1] 9-1/4” bayonets 5.1 bara [1] CC cartridge 47 bara [2] CC housing 4.1 bard [2] Cryogenic valves > 10 bara [1] LCLSII-4.8-EN-0791-R0, Jlab bayonet gate valves [2] LCLS-II cold compressor technical proposal, ALAT LCLS-II 2 K CBX FDR, Mar 9, 2017
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Component pressure ratings – bayonets
LCLS-II 2 K CBX FDR, Mar 9, 2017
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Pressure system documentation
LCLS-II 2 K CBX FDR, Mar 9, 2017
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Pressure system documentation
LCLS-II 2 K CBX FDR, Mar 9, 2017
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Pressure system documentation
LCLS-II 2 K CBX FDR, Mar 9, 2017
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Documentation Document No. Title Author Status LCLSII-4.8-EN-0791-R0
Engineering Note: JLab Bayonet Gate Valves C Kaufmann Released LCLS-II 2 K CBX FDR, Mar 9, 2017
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Summary Pressure system documentation including calculations are commensurate with FDR LCLS-II 2 K CBX FDR, Mar 9, 2017
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Pressure Piping Analysis
Nate Laverdure LCLS-II 2 K Cold Box FDR March 9, 2017
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79222-PS-103 CP1 2K Cold Box Piping volumes
Pressure rating Classification Dewar 4K Supply Bayonet & PV41500 Full vacuum to 75 psig ASME B31.3 category Normal Process pipe volume between the control valves CC1 suction bayonet & CC1 discharge bayonet Full vacuum to 45 psig CC2 suction bayonet & CC5 discharge bayonet CC6 suction bayonet & PV41160 CC6 bypass bayonet and control valves PV41170 & 30 K return to 4K CBX bayonet LCLS-II 2 K CBX FDR, Mar 9, 2017
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79222-PS-103 CP1 2K Cold Box Piping volumes
Pressure rating Classification Dewar 4K Supply Bayonet & PV41500 Full vacuum to 75 psig ASME B31.3 category Normal Process pipe volume between the control valves CC1 suction bayonet & CC1 discharge bayonet Full vacuum to 45 psig CC2 suction bayonet & CC5 discharge bayonet CC6 suction bayonet & PV41160 CC6 bypass bayonet and control valves PV41170 & 30 K return to 4K CBX bayonet Relief RV41500 Pressure limiting component 3-1/8” bayonet Spool drawing LCLS-II 2 K CBX FDR, Mar 9, 2017
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79222-PS-103 CP1 2K Cold Box Piping volumes
Pressure rating Classification Dewar 4K Supply Bayonet & PV41500 Full vacuum to 75 psig ASME B31.3 category Normal Process pipe volume between the control valves CC1 suction bayonet & CC1 discharge bayonet Full vacuum to 45 psig CC2 suction bayonet & CC5 discharge bayonet CC6 suction bayonet & PV41160 CC6 bypass bayonet and control valves PV41170 & 30 K return to 4K CBX bayonet Relief RV41510 Pressure limiting component Flex hose Spool drawing Several LCLS-II 2 K CBX FDR, Mar 9, 2017
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79222-PS-103 CP1 2K Cold Box Piping volumes
Pressure rating Classification Dewar 4K Supply Bayonet & PV41500 Full vacuum to 75 psig ASME B31.3 category Normal Process pipe volume between the control valves CC1 suction bayonet & CC1 discharge bayonet Full vacuum to 45 psig CC2 suction bayonet & CC5 discharge bayonet CC6 suction bayonet & PV41160 CC6 bypass bayonet and control valves PV41170 & 30 K return to 4K CBX bayonet Relief RV41520 Pressure limiting component Cold compressor CC1 housing Spool drawing Several LCLS-II 2 K CBX FDR, Mar 9, 2017
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79222-PS-103 CP1 2K Cold Box Piping volumes
Pressure rating Classification Dewar 4K Supply Bayonet & PV41500 Full vacuum to 75 psig ASME B31.3 category Normal Process pipe volume between the control valves CC1 suction bayonet & CC1 discharge bayonet Full vacuum to 45 psig CC2 suction bayonet & CC5 discharge bayonet CC6 suction bayonet & PV41160 CC6 bypass bayonet and control valves PV41170 & 30 K return to 4K CBX bayonet Relief RV41530 Pressure limiting component Cold compressors CC2 – CC5 housing Spool drawing Several LCLS-II 2 K CBX FDR, Mar 9, 2017
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79222-PS-103 CP1 2K Cold Box Piping volumes
Pressure rating Classification Dewar 4K Supply Bayonet & PV41500 Full vacuum to 75 psig ASME B31.3 category Normal Process pipe volume between the control valves CC1 suction bayonet & CC1 discharge bayonet Full vacuum to 45 psig CC2 suction bayonet & CC5 discharge bayonet CC6 suction bayonet & PV41160 CC6 bypass bayonet and control valves PV41170 & 30 K return to 4K CBX bayonet Relief RV41540 Pressure limiting component Cold compressor CC6 housing Spool drawing Several LCLS-II 2 K CBX FDR, Mar 9, 2017
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79222-PS-103 CP1 2K Cold Box Piping volumes
Pressure rating Classification Dewar 4K Supply Bayonet & PV41500 Full vacuum to 75 psig ASME B31.3 category Normal Process pipe volume between the control valves CC1 suction bayonet & CC1 discharge bayonet Full vacuum to 45 psig CC2 suction bayonet & CC5 discharge bayonet CC6 suction bayonet & PV41160 CC6 bypass bayonet and control valves PV41170 & 30 K return to 4K CBX bayonet Relief RV41550 Pressure limiting component 5-3/16” bayonet Spool drawing Several LCLS-II 2 K CBX FDR, Mar 9, 2017
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79222-PS-103 CP1 2K Cold Box Piping volumes
Pressure rating Classification Dewar 4K Supply Bayonet & PV41500 Full vacuum to 75 psig ASME B31.3 category Normal Process pipe volume between the control valves CC1 suction bayonet & CC1 discharge bayonet Full vacuum to 45 psig CC2 suction bayonet & CC5 discharge bayonet CC6 suction bayonet & PV41160 CC6 bypass bayonet and control valves PV41170 & 30 K return to 4K CBX bayonet Relief RV41560 Pressure limiting component 5-3/16” bayonet Spool drawing Several LCLS-II 2 K CBX FDR, Mar 9, 2017
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