Plate Heat Exchanger · Heat Exchangers
The Alfa Laval S.p.A. AC75-MAX is a brazed plate heat exchanger from Alfa Laval's AC family. The AC product line is designed primarily for air-conditioning, refrigeration, chiller and heat-pump duties and can be used as an evaporator, condenser or in other approved refrigerant heat-transfer arrangements. Its brazed plate construction provides a compact, gasket-free heat-transfer core with alternating flow channels between the connected media. On board ship, such a unit would normally be found inside packaged HVAC, refrigeration or heat-pump equipment rather than as a general-purpose shell-and-tube engine-room cooler. The MAX suffix identifies a variant of the base model in this library, but the exact technical distinction from the non-MAX version must be verified from Alfa Laval documentation for the installed configuration. Exact performance, pressure, temperature, refrigerant compatibility and installation limits must be taken from the unit drawing, nameplate and manufacturer documentation.
Do you have the manufacturer datasheet for this model? Send it with the enquiry form — we check it and name the source.
What our service work and the manufacturer documentation say about keeping this model running.
Check inlet and outlet temperatures, pressure drop and system performance for signs of fouling or maldistribution. Inspect connections, supports and adjacent pipework for vibration loads, corrosion and leakage. Because the brazed core is not opened like a gasketed plate heat exchanger, cleaning and repair options depend on the contamination type and manufacturer-approved procedures. Verify refrigerant and fluid compatibility before chemical cleaning or changing service. Use the unit nameplate and Alfa Laval documentation for exact pressure, temperature, testing and installation limits.
There are normally few internal routine spares for a brazed plate heat exchanger because the plate pack is permanently brazed. Useful onboard spares are usually installation-specific items such as connection seals, sensors, valves or a replacement exchanger where system criticality justifies it. Any replacement unit must match the original thermal duty, connection arrangement and approved design conditions.
Free of charge — send us your request for Alfa Laval equipment. Our team checks it and replies by e-mail.
Other models of the same equipment type, Alfa Laval first.
Tell us what you need for this Alfa Laval AC75-MAX — a part, a service call, a second opinion. Are you Alfa Laval? Claim this brand page.
Service engineer? Write the day report for this AC75-MAX in OceanSphere Work — photos, hours and parts, as a PDF for the owner. Try it free for 14 days →
Yes. Specifications, documents and service notes for this model are readable without an account. An account adds saved searches and requests, nothing is taken away.
Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.
Send us the nameplate or the correct value. We check it against the manufacturer datasheet or class-society record and update the page.