Pressure Piping Analysis Nate Laverdure LCLS-II 2 K Cold Box FDR March 9, 2017

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

Pressure systems of the 2K Cold Box 79222-PS-101 CP1 2K Cold Box Shell LCLS-II 2 K CBX FDR, Mar 9, 2017

Pressure systems of the 2K Cold Box 79222-PS-102 CP1 2K Cold Box Compressors LCLS-II 2 K CBX FDR, Mar 9, 2017

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

Pressure systems of the 2K Cold Box 79222-PS-103 CP1 2K Cold Box Piping LCLS-II 2 K CBX FDR, Mar 9, 2017

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

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 79420-PS-001 CP1 Interface Box Cold compressor return Full vacuum to 75 psig RV22190 within 79221-PS-109 CP1 4.5K Lower Cold Box Piping 4K vapor make-up RV31030 within 79720-PS-101 CP1 LHe Dewar Thermal reliefs for these volumes are described in 79222-P0001 2K Cold Box Relief Valves. LCLS-II 2 K CBX FDR, Mar 9, 2017

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 79120-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 79622-PS-103 CP1 Instrument Air Piping LCLS-II 2 K CBX FDR, Mar 9, 2017

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 79621-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 79821-PS-101 CP1 Guard Vacuum Piping Relief valve discharge collector RV41712 LCLS-II 2 K CBX FDR, Mar 9, 2017

79222-PS-103 CP1 2K Cold Box Piping volumes LCLS-II 2 K CBX FDR, Mar 9, 2017

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

Component pressure ratings – bayonets LCLS-II 2 K CBX FDR, Mar 9, 2017

Pressure system documentation LCLS-II 2 K CBX FDR, Mar 9, 2017

Pressure system documentation LCLS-II 2 K CBX FDR, Mar 9, 2017

Pressure system documentation LCLS-II 2 K CBX FDR, Mar 9, 2017

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

Summary Pressure system documentation including calculations are commensurate with FDR LCLS-II 2 K CBX FDR, Mar 9, 2017

Pressure Piping Analysis Nate Laverdure LCLS-II 2 K Cold Box FDR March 9, 2017

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

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 79222-0075 LCLS-II 2 K CBX FDR, Mar 9, 2017

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 79222-0124-01 Spool drawing Several LCLS-II 2 K CBX FDR, Mar 9, 2017

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

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

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

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

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