Cooling clean steam condensate before drain or recovery.
Recommended type
Standard Gasketed Plate Heat Exchanger
Small and routine, but it is a discharge-temperature and a cross-contamination question before it is a thermal one.
Gasketed units on their frames, built and waiting for despatch. The painted carbon-steel frame is what a gasketed plate heat exchanger normally looks like; the plate pack between the tie bars is stainless, and it is the pack, not the frame, that touches the process.