Because of its special characteristics and high chemical/temperature tolerances, PTFE hose is a popular choice in smooth-bore high-pressure and ultra-high pressure applications.
When a PTFE hose fails, it can cause a lot of trouble in the process line. Regular inspection and maintenance can reduce downtime, save you money, and help ensure safety.
dimensions of polytetrafluoroethylene hose
PTFE hose is a hose type that is used in industrial applications. It is a synthetic material that is hydrophobic and resistant to warping and deteriorating at high temperatures. It is also highly resistant to chemicals and has low permeability, making this material ideal for certain industrial processes.
This hose is suitable for all fluids and conditions. It also has a very low coefficient of friction (0.05 to 0.20), which makes it non-stick.
It is FDA-approved for pharmaceutical and food use. It is also shock-resistant, which means that it can withstand continuous flexing, vibration and pressure impulsing without causing damage to the hose.
Finally, PTFE is chemically inert, so it will not break down or deteriorate while in use. This is one of the reasons it is so popular for use in certain industrial applications, including fuel lines.
PTFE is a hose material that is extremely durable and resistant. It can be found in many different types. This hose should be properly stored to ensure its longevity in your industrial application. This involves cutting the hose to the correct length, connecting the appropriate end connections, and using professional Crimping Equipment.
Causes of PTFE hose rupture
When a hose fails in service, it is typically caused by a variety of factors. These can include improper component selection, incorrect assembly procedure, or poor installation practice.
For PTFE hose, this can be particularly the case. The material can be abrasive and therefore is susceptible to internal tube erosion, which causes the inner wall to break down and clog the hose bore.
A hose cover bursting can also be a problem. This could be caused by incompatible fluids or compressed gas that has escaped into the hose.
Alternately, the hose cover could be damaged by an object outside, such as brackets, sharp corners, or the wrong-sized clamp. In any event, the hose should be replaced with a new one.
Here are some of the most common causes for PTFE hose failures
Abrasion (internal and external) - Abrasion wears away at the corrugations of the hose, especially the PTFE. This can cause abrasion tear-outs in braid strands or ruptures in reinforcement cords.
High working pressure and shock pressures can also cause the hose to burst. Before fitting a PTFE hose, it is important to verify the maximum working pressure and any shocks.
the main raw materials used in PTFE hose
The main raw materials used to make PTFE hose are polytetrafluoroethylene (PTFE) and fluorinated ethylene propylene (FEP). These chemical compounds are engineered with a variety useful properties such as low group velocity dispersion and high melting point, resistance to moisture, and resistance against deterioration.
There are two ways to make PTFE: you can add it to water and then stir it in a reaction chamber or you can polymerize it in a dispersion procedure that makes the material into small beads. The beads are then filtered or soaked in chemicals to form a PTFE powder.
It can also be melted and used as a coating or finish, depending on the type of application. It is a good choice for heat-resistant coatings because of its low permeability.
In addition, PTFE is more resistant to water than rubber, meaning it won't become clogged with debris. It is also less likely to release smoke, making it ideal for enclosed spaces in which people or equipment might be inhaling fumes or vapours.
PTFE hose is often more cost effective than other types of plastic hose, like rubber. Its chemical resistance also means that it will not break down at high temperatures, which is important for some industries. It is also very lightweight and easy to handle, making it the ideal material for many different applications.