6 Common Myths About Using PTFE Flexible Hoses

6 Common Myths About Using PTFE Flexible Hoses


6 Common Myths About Using PTFE Flexible Hoses 

When selecting hoses, those with PTFE are a great choice for their exceptional performance in severe conditions. Teflon hoses are popular for applications in braking systems, space shuttles, fire-fighting breathing apparatus, and aircraft landing gear. The beauty of PTFE hoses comes from their resistance to heat, cold, corrosion, and fatigue. Other exceptional features of Teflon hoses include non-toxicity, lightweight, low permeability, and self-cleaning. 

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Myths About PTFE Flexible Hoses 

Very expensive

Teflon paste is a premium material for making high-grade PTFE hoses. However, the lifecycle of the hose offsets the initial cost. A PTFE hose outlasts regular hoses in any condition, especially harsh conditions. This hose limits downtime for hose failure limiting costs for lost production, hose fitting and inventories, direct labor, and impact on related processes. Additionally, PTFE limit losses resulting from fluid contamination and replacing boiler additives resulting from effusion. Teflon hoses with stainless steel braids are corrosion resistant saving on thermoplastic or rubber jackets. 

Another cost-saving feature of PTFE hoses is a reduction in product warranty costs with little or limited maintenance costs. These hoses enhance safety for applications requiring draining hot products. In highly specialized applications, Teflon hoses do not stick limiting compressor damage from carbon build up in compressor discharge lines. Therefore, PTFE hoses are a low-cost option in the long run offsetting the initial cost. 

Kink And Crush Easily

Poor handling can make any hose to kink and crush with ease. So, making the most of PTFE hoses from the best flexible hose manufacturer requires adhering to the radii and loading recommendations. Adding internal or external spring guards reinforces the PTFE hose at critical points to limit kinking and crushing. 

You can also minimize this by opting for a hose with a convoluted bore or thicker walls. The recommended bend radius for a convoluted bore PTFE hose is three to four times tighter than a similar-sized one with smooth bore. Keep in mind that Teflon hoses with convoluted bores have better crush resistance for vacuum applications. 

All PTFE Hoses Are The Same 

Teflon is the trademarked name for materials with a fluoropolymer. However, hoses are made with various Teflon material including paste-extrudable form (PTFE) and melt-extrudable forms including FEP, PFA, AND ETFE. PTFE hoses exhibit exceptional flex fatigue resistance and have a very high melting point. This makes PTFE hoses ideal for high-temperature environments without worry about hose failure. 

Limited Applications

Hoses are required in various industries for a range of purposes. The pharmaceutical industry requires hoses that match purity and sanitation standards. This industry produces chemically synthesized products with organic solvents for medications and curing animals and humans. Teflon hoses match the standards in the pharmaceutical industry for requiring no electropolishing or passivation. PTFE hoses are not prone to crazing and cracking minimizing repairs. 

Additionally, PTFE hoses are chemically non-reactive and inert with permanent resistance to in-place cleaning and steam sterilization. Flexible Teflon hoses are applied in the food and beverage industry for processing and production of items including sauces, syrups, dairy products, powders, wine, spirits, beer, and meats. The chemical inertness of PTFE allows the hose to have no effect on products conveyed at high temperatures. The hose does not absorb or remove moisture and ingredients. 

Not Abrasion Resistant

Abrasion is a significant cause of hose failures. Continued contact with particulates in the hydraulic fluid wears out the inside of the hose. High velocities by hydraulic fluid applications also cause hose failure. However, you can invest in abrasion-resistant Teflon hoses to get value for your money. Bends inside a hose make it prone to abrasion and friction. So, quality manufacturers of quality PTFE hoses give recommendations on the maximum bend radii. 

Availability or lack of it affects the abrasion protection of a Teflon hose. Hoses in tight constricted spaces and those where extra weight is added require protecting with a specialized cover. This lessens overall assembly weight. Luckily, the flexibility of PTFE allows routing the hose through tight spaces protected with a guard or wrap to reduce friction. 

Compromise Product Purity

Regular hoses are prone to leaks, wear, and tear. Fortunately, PTFE hoses are corrosion resistant with the ability to avoid contaminating products. This makes it ideal for assembly lines in the food, dairy, and pharmaceutical industries.  Teflon hoses have exceptional performance in harsh conditions backed by anti-leak properties to maintain the purity of the contents. 

To make processes easier, PTFE hoses in various colors make it easier to tell the fluid flowing through. Distinguishing the chemicals in the hoses makes hose assembly easier. This maintains clarity in the production process with limited chances of accidents resulting from ignorance. 


Teflon hoses are applied on various applications including food processing and pharmaceuticals for their various features. These hoses withstand extreme coldness and temperature with exceptional leak resistance to maintain the purity of contents.  Demystifying the common myths about PTFE hoses allows discovering what they can do for you.