PTFE lined hose, also known as polytetrafluoroethylene lined hose, is a composite hose made of PTFE (polytetrafluoroethylene) resin inner pipe and stainless steel wire braided. It combines the excellent chemical resistance of PTFE with the high strength of stainless steel wire, making it an ideal hose solution and therefore has good wear, pressure and high and low temperature resistance. Especially suitable for harsh working environment.
Next, BESTEFLON introduces you to the structure, manufacturing process and applications of Ptfe lined hose.
Structure:
PTFE lined hose typically consist of the following two-layer structures:
Inner layer: Made of PTFE material, provides corrosion resistance, non-viscosity and high temperature resistance.
Outer layer: Woven from stainless steel wire or other reinforced fibers for extra strength and protection.
Manufacturing process:
Mixing: PTFE powder mixed with additives.
Storage: The mixed PTFE resin is extruded into tubes by extruder. This step requires precise control of temperature and pressure to ensure uniformity and dimensional accuracy of the tube.
Sintering: The extruded PTFE tube needs to be sintered at high temperatures to eliminate the internal microscopic pores and improve the density and mechanical properties of the tube.
Cooling: The sintered PTFE tube is gradually cooled during the cooling phase to maintain its structural stability. This step is essential to prevent the formation of deformation and cracks in the tube.
This structural design allows the hose to maintain flexibility while increasing its resistance to stretching, compression and impact.
Applications:
PTFE lined hoses are widely used in many industries because of their unique properties. The following are some of the main application areas of PTFE lined hoses:
Chemical industry: PTFE lined hose can withstand strong acids, strong alkalis and a variety of organic solvents, so it is very suitable for transporting corrosive media. It is widely used in the feed and discharge pipes in the process of chemical production.
Petroleum industry: In the petroleum industry, PTFE lined hoses can be used in feed and discharge hoses for equipment such as tank trucks, storage tanks and reactors to handle high-temperature fluids and corrosive media.
Pharmaceutical and Food processing: The high purity and non-toxicity of PTFE lined hoses make them ideal for the pharmaceutical and food processing industries to transport medicines and food products, ensuring the safety and hygiene of the production process.
Automotive industry: In automotive manufacturing, PTFE lined hoses are used in engines and fuel systems, cooling systems and air conditioning systems to ensure the stable delivery of fuel, coolant and refrigerant.
Aerospace: Because of its high temperature and high pressure resistance, PTFE lined hoses also have applications in the aerospace field.
Electrical and mechanical engineering: The insulation and wear resistance of PTFE lined hoses make them useful for transporting various media in these fields.
Semiconductors and electronics: PTFE lined hoses are used for the delivery of ultra-pure water and chemicals.
Laboratory equipment: In the laboratory, PTFE lined hoses are used for fluid transfer and vacuum system connection.
Coating machine applications: In the printing, packaging, electronics, leather and other industries, PTFE lined hoses are used to transport adhesives, solvents, high temperature media and compressed air.
Mechanical equipment, wire and cable, medical equipment: PTFE lined hoses are also used in related equipment in these fields, providing wear resistance, high temperature resistance and chemical resistance solutions
With the advancement of technology, the performance of PTFE lined hoses continues to improve, and the application range is also expanding. For example, the global PTFE stainless steel lined hose market is expected to maintain a steady growth trend in the next few years, with the growth rate of the Chinese market higher than the global average.
In addition, with an increased focus on environmental protection and sustainability, future developments in PTFE lined hoses are likely to focus on material innovation, functional compounding and environmental improvement, including the development of recyclable or biodegradable PTFE alternatives.
The versatility and reliability of PTFE lined hoses make them an indispensable key component in modern industrial fields.
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Post time: Oct-15-2024