Plowed fin tubes, also known as root-serrated finned tubes, are a type of heat exchanger component used to enhance heat transfer efficiency. These tubes have fins that are mechanically bonded to the outside surface of a tube. The "plowing" process involves cutting or plowing a groove or channel into the outer surface of the tube, and then inserting fins into these grooves. This design increases the contact area between the fin and the tube, improving heat transfer characteristics. Here are some key features and applications of plowed fin tubes:

 

Plowed fin tubes are used in various heat exchangers to improve heat transfer between the fluid inside the tube and the surrounding environment. The increased surface area provided by the fins allows for more efficient heat exchange.

 

The mechanical bonding of the fins to the tube through the plowing process results in a strong connection, making plowed fin tubes suitable for high-pressure and high-temperature applications.

 

Plowed fin tubes can have different fin configurations, such as rectangular or serrated fins. These options allow for customization to match specific heat transfer requirements and operating conditions.

 

The tubes and fins can be made from various materials, including aluminum, copper, carbon steel, stainless steel, and more, depending on the applications needs and the fluids being processed.

 

Plowed fin tubes find use in a range of industries and applications, including air-cooled heat exchangers, steam condensers, refrigeration systems, and process heat exchangers. They are often chosen when high-efficiency heat transfer is necessary.

 

Plowed fin tubes are known for their durability and resistance to damage, making them suitable for applications where the heat exchanger may be subject to mechanical stress or vibration.

	O.D.	Wall Thickness	O.D.	Wall Thickness	minimum Wall Thickness	Fin height	Nominal outside surface area	actual outside surface area	Nominal inside surface area	Nominal inside surface area
1	11.1	1.1	13.8	0.75	0.6	1.7	0.0348	0.1503	0.0279	0.0307
2	15.88	1.2	18.58	0.85	0.7	1.7	0.0499	0.2094	0.0423	0.0465
3	19.7	1.33	22.4	0.95	0.8	1.7	0.0618	0.2566	0.0535	0.0589

 

The plowed fin design is just one of many fin types used in heat exchangers. The choice of fin design and material depends on the specific heat transfer requirements, operating conditions, and the nature of the fluids involved in the heat exchange process.