01Liquid–Liquid
Transfer heat between two process streams based on the temperature programme, flow rates and allowable pressure drop.
Compact, fully welded heat exchangers engineered for process heating, cooling, heat recovery, condensation and reboiling.

Explore flow arrangements for liquid–liquid heat transfer, condensation and reboiling, including one-pass and multi-pass configurations.
Transfer heat between two process streams based on the temperature programme, flow rates and allowable pressure drop.
Condense process vapours with consideration for operating pressure, non-condensable gases, pressure drop and required subcooling.
Evaluate evaporation and reboiling duties around fluid properties, circulation and available temperature approach.
Recover energy from hot process streams to reduce external heating and cooling demand.
Compact process-fluid heating using hot water, steam condensate or another process stream.
Cool process liquids with water, brine or a counter-flowing process stream.
Materials, flow arrangement, design pressure and temperature are confirmed for each project.

Feed preheating, heat recovery, and process-column condenser or reboiler duties.
Reaction-stream heating and cooling, solvent recovery and process heat recovery.
Process-liquid and gas treatment, heat recovery and compact plant upgrades.
Auxiliary-loop cooling, heat recovery and selected condensation duties.
Closed-loop heating and cooling with materials selected for the process fluid.
Process-stream heat recovery and liquid heating or cooling.
Thermal duties in utility and energy-recovery circuits where project requirements permit.
Heat recovery, process-water heating and cooling, steam-condensate duties and utility-loop integration.
Explore Compabloc core or complete-unit replacement and K°Bloc complete-unit replacement. Share the datasheet, drawing and operating conditions for review.
Explore Replacement Solutions ↗Send us your fluid data, flow rates, inlet and outlet temperatures, design pressure and allowable pressure drop.
Datasheets and process specifications can be submitted for engineering review.
Explore two petrochemical replacement project records and four engineering guides for demanding process duties.
A project record for replacement of the core in an existing Alfa Laval CP75 unit, with the confirmed scope and limits of the available project information.
Read project recordPROJECT RECORD · PETROCHEMICALPetrochemical project record for a complete welded block heat exchanger replacement, distinguishing confirmed scope from unpublished technical results.
Read project recordAPPLICATION ENGINEERING GUIDECondenser selection guide covering vapour composition, operating pressure, non-condensable gases, pressure drop, subcooling and condensate drainage.
Read selection guideAPPLICATION ENGINEERING GUIDEReboiler and evaporator selection guide: boiling pressure, vapour generation, circulation, static head, pressure drop and heating-medium conditions.
Read selection guideAPPLICATION ENGINEERING GUIDEMaterial-selection guide for corrosive process fluids: composition, contaminants, concentration, temperature, plate alloys and panel seals.
Read selection guideAPPLICATION ENGINEERING GUIDEWelded block heat recovery selection guide for refinery and petrochemical streams, with fouling, thermal balance, pressure drop and retrofit interfaces.
Read selection guideEach guide identifies the process data, material review and installation checks needed for selection.
Assess a welded block exchanger for sulfuric acid cooling using acid concentration, impurities, temperatures, materials, pressure drop and cleaning requirements.
Review selection requirementsGAS TREATING & PROCESS HEAT RECOVERYEngineering assessment for lean/rich amine heat recovery: solvent composition, acid-gas loading, heat balance, pressure drop, fouling and material selection.
Review selection requirementsCONDENSATION & INDUSTRIAL UTILITIESSelect a welded block steam condenser using steam pressure, mass flow, non-condensable gases, condensate temperature, cooling conditions and pressure drop.
Review selection requirementsREFINERY & PETROCHEMICAL APPLICATIONSRefinery exchanger selection for heat recovery, cooling, condensation and reboiling. Assess process streams, fouling, pressure drop and retrofit interfaces.
Review selection requirementsCHEMICAL PROCESS ENGINEERINGChemical-process heat exchanger selection for heating, cooling, condensation and evaporation, including fluid compatibility, materials and cleaning access.
Review selection requirementsINDUSTRIAL ENERGY RECOVERYAssess recoverable process heat using hot- and cold-stream data, approach temperature, operating schedules, pressure drop and a measured energy baseline.
Review selection requirementsProvide both fluids, flow rates, inlet and outlet temperatures, operating and design pressures, allowable pressure drop and material requirements. For a replacement, include the nameplate and arrangement drawing.