PTFE hose is used in a huge range of applications, including petrochemical, automotive and refrigerant transfer. PTFE hose offers a wide range of properties, such as high temperature and pressure tolerance, chemical resistance, high flexibility and shock resistance.
There are PTFE hoses with a conductive core that dissipates any static electricity generated by fluid passing through it. This reduces the risk to workers, passengers, and vehicles.
Series of PTFE Hoses
The PTFE hose Series is a versatile and long-lasting option for transferring fluids. It is used in many applications around the globe, including gas sampling, chemical transfer lines and high-temperature hydraulics.
The high flexibility and abrasion resistance of PTFE allow it to handle a wide range of temperatures and chemicals, which makes it an excellent choice for many different industries. It is also a great insulator that can help reduce the chance of explosions or fires in industrial buildings.
Unlike other types of hoses, PTFE hose does not expand when it is heated or cooled, which can save you money on downtime and maintenance. It is flexible and lightweight, making it a great choice for high-temperature handling applications.
Another benefit of PTFE hose is that it can withstand temperatures up to 250 degrees Fahrenheit. This is especially useful for applications that require heating up or storing components, such as motors, pumps, and transformers.
This type of hose is available in several types, including: Smooth Bore, Conductive Smooth Bore, and High Pressure. Its low volumetric expansion at maximum operating pressure makes it an ideal solution for brake, clutch, power steering, and gearbox hydraulic systems. It is also suitable for fuel pressure gauge lines, and is a great replacement for traditional nitrile or rubber fuel hoses.
Installation of PTFE hoses: Careful
All PTFE hose assemblies should be installed with proper guiding to minimize torsional stress and overstressing. This is done by avoiding severe bends and avoiding flexing metal hose assemblies in two different planes.
When bending a hose, ensure that the change in direction is within the allowed minimum bend radius and that the bend is as close to the center line of the hose assembly as possible. This will help to extend the life of the hose and reduce the risk of damage to the hose and fittings.
If an installation requires the use of a flare-thru end, this end must always be restrained by a flange cover, flange with a stub end or a lap joint flange with appropriate gasketing prior to start of the process. This is necessary to ensure a leak-tight seal.
To reduce friction and ensure a perfect installation, it is important to properly lubricate the threads of the socket nut and hose end with light oil. Depending on the type of PTFE hose fitting, it may be easier to install with a hex key, rather than a wrench.
After a hose assembly has been completed, it should be cleaned and visually inspected for foreign material. Proof testing involves applying a nondestructive pressure for a period of time to test for fitting separation and to assure that the hose will be able to withstand normal working pressures.
media transmitted by PTFE hose
PTFE hose can withstand a wide variety of chemicals and fluids. This makes it ideal for industrial applications. It is also resistant to abrasion and chemically inert. It can withstand high temperatures without deterioration.
Typical applications for PTFE include fuel, water, gas, oil, and other flammable or toxic media. It is also well-suited for corrosive applications such as hot oil, brake fluid and power steering.
However, there are chemicals that can react with PTFE even in trace amounts, including Fluorine, Chlorine Trifluoride, and molten Alkali metals. The resulting corrosion can cause the rubber or SS braid to become abrased and eroded.
Static electricity generation is a problem with PTFE, particularly when used for carrying fuels (gases or liquids) at high velocities. This is due to a carbon lining that was added during manufacturing that acts as a conductor for any static charges generated in the fuel as it passes through PTFE.
For this reason, only TechAFX conductive-core PTFE hose is recommended for fuel lines. These are a special type of PTFE fuel hose that is "conductive core," which means it has a carbon lining added inside the tube that conducts any stray electrons from the fuel as it passes through it. TechAFX PTFE fuel hoses are then secured using unique aluminum AN fittings. These use a brass "olive", or ferrule, to crush the hose and create the seal at its mating point.