Floating Head Heat Exchanger MAINTENANCE Floating Head Heat Exchanger

FLOATING HEAD Heat Exchanger General Assembly view Shell side Inlet Shell side Outlet Tube side Inlet Tube side Outlet Shell Back Cover Distributor Tube Sheet Gaskets Gasket Saddle Floating Head Bundle

Floating Head Heat Exchanger Cross Sectional View Baffle Shell Distributor Back cover Tube Bundle Floating Head

FLOATING HEAD Heat Exchanger Split View of Parts Gasket Gasket Split ring Spacer Gasket Gasket Tube Bundle Tube sheet Distributor Back Cover Floating Head Shell Floating Head Detail

Do Not Start The Job Without A Safety Plan MAINTENANCE Floating Head Heat Exchanger Safety First Plan Do Not Start The Job Without A Safety Plan

FLOATING HEAD Heat Exchanger Maintenance Activity Description Blind Inlets-Outlets at plant area Disconnect and remove Floating Head with gasket Disconnect and remove Distributor with gasket Install the bundle puller Pull the bundle out Disconnect and remove Back cover with gasket Bundle Puller Ground level

FLOATING HEAD Heat Exchanger Maintenance Activity Description…..Continuation Lower the bundle and take to hydro-jetting area Lift the bundle puller with clean bundle and new gasket, ready for reinstallation Clean Shell and covers Bundle Puller Ground level

FLOATING HEAD Heat Exchanger Maintenance Activity Description…..Continuation Reinsert the bundle by bundle puller Lower the bundle puller to the ground and take it away Bundle Puller Ground level

FLOATING HEAD Heat Exchanger Maintenance Activity Description…..Continuation Shell Side Hydro-test Install front Test Ring with gasket Install Pressure Gauge Raise the pressure up to value given by Inspection Connect water pump Install back Test Ring with gasket Check leakages from tubes Fill the shell by water Install Blinds in shell PG Water Pump Ground level

FLOATING HEAD Heat Exchanger Shell Side Hydro-test …Check leakages from tubes continuation PG “A” “B” Water View “A” Water View “B”

FLOATING HEAD Heat Exchanger Shell Side Hydro-test ….Continuation Details PG “A” “B” Shell under pressure Tube leak elimination Details Detail “A” [By Expansion both sides] Detail “B” [By Plug both sides] Leak Tube Expander Tool Leak

FLOATING HEAD Heat Exchanger Maintenance Activity Description…..Continuation Discharge water from shell drain Reinstall distributor with new gasket & tight bolts Remove Test Ring & gasket [floating head side] Remove Test Ring & gasket [distributor side] Blind Distributor in & out Reinstall Floating Head with split flange, new gasket & tight bolts PG Drain

FLOATING HEAD Heat Exchanger Tube Side Hydro-test ….Continuation Details FLOATING HEAD Heat Exchanger Install PG in distributor top nozzle Check floating head gasket sealing Discharge the water, remove PG and water pump Connect water pump Check distributor gasket sealing Fill tube side by water Remove blinds form distributor nozzle and tight bolts Raise the pressure up to value given by Inspection PG PG Water Pump Drain

FLOATING HEAD Heat Exchanger FLOATING HEAD Heat Exchanger Shell Side Final Hydro-test ….Continuation Details Install Back cover with Gasket Check Back cover gasket sealing Discharge the water, remove PG and water pump Connect water pump Check bundle to shell gasket sealing Fill Shell side by water Remove blinds form shell nozzles and tight bolts Raise the pressure up to value given by Inspection PG Drain Water Pump

FLOATING HEAD Heat Exchanger FLOATING HEAD Heat Exchanger Handover & Final House Keeping By Maintenance Remove tools and equipment Close Work permit Clean and wash the area Remove scaffold after unit start-up