Welcome to Murphyfinnedtubes!

In this video we will introduce the mainstream high frequency finned tubes currently on the market. We will show you around our factory, our finned tube prodution line.

The  high-frequency induction welding  process is currently a commonly used welding process in the field of pipelines. Its high efficiency and environmental protection characteristics have attracted the favor of many pipe welding producers and have been widely used. In practical applications, high-frequency straight-seam induction welding was originally applied to the welding of ordinary carbon steel, that is, the welding application of ordinary materials. With the maturity of high-frequency induction welding technology and the technological advancement of high-frequency welding machine power supply, the current high-frequency straight-seam induction welding technology has been applied to the welding of some special materials, including aluminum alloy, copper, stainless steel and other metals The pipeline welding of materials provides pipeline manufacturers with a new way to manufacture products and innovates the traditional production technology of some products. Principle and ap

There are many types of shell and tube heat exchangers. Under normal circumstances, the shell and tube heat exchanger is divided into: fixed tube sheet type, floating head type, U-shaped tube type, stuffing box type and kettle type reboiler. Today I want to tell you more specifically about the  fixed tube-plate heat exchanger  in the  shell and tube heat exchanger . What is a   fixed tube-plate heat exchanger ? The tube plates at both ends of the fixed tube plate heat exchanger are connected and fixed to the shell by a welding method. The heat exchange tubes can be smooth tubes or low-fin tubes. It is suitable for occasions where the medium on the shell side is clean and not easy to scale and can be dissolved and cleaned. The temperature difference between the two sides of the pipe and the shell side is not large or the temperature difference is large, but the pressure on the shell side is not high. For more details please check  here

A heat exchanger is an energy-saving device that realizes heat transfer between materials between two or more fluids at different temperatures. It is to transfer heat from a fluid with a higher temperature to a fluid with a lower temperature so that the fluid temperature reaches the process. The specified index meets the needs of process conditions and is also one of the main equipment to improve energy efficiency. The heat exchanger industry involves nearly 30 kinds of industries such as HVAC, pressure vessels, water treatment equipment, chemical industry, petroleum, etc., forming an industrial chain with each other. Data show that the market size of China’s heat exchanger industry in 2010 was about 50 billion yuan, mainly concentrated in the fields of petroleum, chemical industry, metallurgy, electricity, shipping, central heating, refrigeration, and air conditioning, machinery, food, pharmaceuticals, and other fields. Among them, the petrochemical industry is still the largest

In the marine turbine, the  heat exchanger  is to ensure that the turbine is in normal equipment. Of course, there are many common heat exchangers, such as runner type and plate type. The advantages and disadvantages of different heat exchangers are very obvious. The plate type heat exchanger is often used in the electrical equipment of the turbine engineering. This type of heat exchanger is small in size and relatively high in efficiency. It has been used in marine turbines, but it is in urgent need of further promotion. Based on the current situation, the actual application of the plate heat exchanger is introduced in detail. In the marine turbine, heat exchange is undoubtedly a very critical factor to ensure the normal use of the turbine. When the turbine is working, it needs to maintain a certain temperature to ensure the normal operation of the machinery. At present, there are many heat exchangers in the marine turbine. Among them, the plate type is a very important one, and it

High-frequency welding finned tube is one of the most widely used spiral finned tubes. It is now widely used in the waste heat recovery of power, metallurgy, cement industry and petrochemical industry. How does high   frequency welding finned tube  work? The high-frequency welding finned tube   use the skin effect and proximity effect of the high-frequency current to heat the outer surface of the steel strip and the steel tube while the steel strip is wound around the steel pipe, until the plastic state or melting, a certain pressure on the wound steel strip Complete welding next. This high-frequency welding is actually a solid-phase welding. Compared with inlaying, brazing (or integral hot-dip galvanizing) and other methods, it is excellent in terms of product quality (high welding rate of fins, up to 95%), productivity and degree of automation. High-frequency welding uses solid resistance heat as energy source. The resistance heat generated by the high-frequency current