Never run the pump when partially installed or not completely assembled. Necessary precautions must be taken if leakage occurs as this can lead to hazardous situations. Always handle lye and acid with great care. Never use the pump for products not mentioned in the Alfa Laval pump selection program. Alfa Laval Pumps ,Alfa Laval Heat Exchangers, Pumps, Separators & Valves. Harco is proud to be a North American Alfa Laval supplier. Alfa Laval offers the best heat transfer, separation and fluid-handling products in the world, used in everything from food and water supply to energy and environmental protection.Use the options on the right side of the page to find the Alfa Laval partners that can support you. ... Products: Pumps, Installation material, Tank equipment, Valves, Heat exchangers, Automation, Instrumentation, Plate Heat Exchanger, Centrifugal Separators. GS Process Engineers.