Processing » Heat Exchangers » Plate Heat Exchangers

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Used Plate Heat Exchangers

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Overview

Plate heat exchangers are compact, high-efficiency units built from thin, corrugated metal plates pressed together to form parallel flow channels. They transfer heat between two fluids with tight temperature approaches, commonly used in HVAC, refrigeration, food processing and chemical plants. Available as gasketed, welded or brazed designs, they offer easy capacity changes, high turbulence for efficient transfer, and straightforward disassembly for inspection and cleaning.

FAQ

What should I check when buying a used plate heat exchanger?

Confirm plate material and condition, gasket integrity, design pressure/temperature, heat duty and flow rates, serial documentation, and availability of spare plates or gaskets.

How do I ensure safe shipping of a plate heat exchanger?

Drain and clean fluids, secure or brace the plate pack, protect flanges and gaskets, crate to prevent movement, label for hazardous residues and insure for transport.

What maintenance is required after purchase?

Regularly inspect gaskets and plates for leaks or corrosion, monitor pressure drop and temperatures, perform scheduled cleaning (CIP or manual), and replace worn gaskets or damaged plates.

How can I verify the exchanger is the right size for my system?

Compare required heat duty, inlet/outlet temperatures, flow rates and allowable pressure drop with the exchanger’s rated performance or request a thermal calculation from the seller.