How to bend the heat exchanger tube?

A heat exchanger is a device that transfers heat energy from a liquid or gas to another liquid or gas. Heat exchangers can be found everywhere, from the radiator in your home and car to the coil on the refrigerator to the water heater.

How to bend the heat exchanger tube?

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Usually, copper pipes entangled with each other are used for liquid flow through. Building a heat exchanger with anything other than soft-walled copper tubes requires a special process to prevent the tubes from kinking.

Stick one end of the copper pipe with tape.

Use a funnel to fill the tube with fine sand.

Tape the other end of the copper pipe.

Place the copper tube against a smooth cylinder, and then slowly bend it around the cylinder. If you need additional levers to bend the pipe, use wooden blocks.

Slide the cylinder out of the center of the coil, then remove the tape and pour out the sand.

Note: Seamless heat exchanger tube ASTM A179 standard require minimum-wall thickness, seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus.