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Welcome to Alfa Laval Welded Heat Exchangers Help Center
How can I inspect the spiral heat exchangers?
Spiral heat exchangers with alternatively welded channels can be inspected from each side of the exchanger. If the height of the body of the unit is significant and/or the channels are narrow, it may be necessary use a borescope.
See the user manual alfa-laval-spiral-instruction-manual-en.pdf for more details.