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Key points of this article
- The rate of wear for a hose changes depending on how it’s used, so setting a fixed service life for all hoses is difficult.
- Any issues or warning signs noticed during daily inspections are a clear sign that it’s time to replace the hose.
- Regular inspections and choosing the right hose and couplings for your conditions are essential for ensuring safe, long-lasting usability.
Do hoses have a fixed service life?
Many customers ask us about the expected service life of Toyox hoses. But in fact, our hoses do not have a fixed service life.
There’s a specific reason for that. Can you guess why?
A. Because the rate of wear of a hose depends on how it’s used.
B. Because the manufacturing process is different
C. Because the material used for each hose is special.
The correct answer is A: Because the rate of wear of a hose depends on how it’s used.
Hose usage conditions such as the fluid, pressure, and temperature can vary depending on where and how the hose is used. That’s why even the same types of hoses can wear out at different rates, making it very difficult to set a single, fixed service life.
How to Recognize the Signs That a Hose Needs Replacement
So, how can you tell when a hose needs replacement, thereby preventing trouble before it occurs? One way is to set your own replacement cycle based on how the hose has performed under your specific conditions—replacing it a little earlier than when problems tend to occur.
But what if there’s no past data or experience to rely on?
In many cases, hoses show signs when they need to be replaced. We recommend stopping use and replacing the hose if you notice any unusual conditions or warning signs during daily inspections.
The following are key points to check during inspections.
①Abnormalities near couplings: Partial elongation, bending, leakage, swelling, or insertion into the nipple has become shallow.
②Presence of external scratches: Scratches or cracks on the outside of the hose, and infiltration into the reinforcement layer.
③Abnormalities on the inside of the hose: Swelling, peeling, or wear (hose reinforcement material exposure) on the inside of the hose.
④Other cases with significant changes: Hardening, swelling, cracking, discoloration of the reinforcement layer, etc.
A hose’s lifespan is greatly affected by factors like fluid type, temperature, flow speed, and the frequency of pressure changes. That’s why checking for issues or warning signs during daily startup checks and regular inspections is the best way to prevent problems before they happen.
Ensuring Safe Hose Use over Time
The points explained in this article do not cover every possible issue. To help prevent various problems before they happen, we recommend the following two actions.
・Perform regular inspections and daily checks before starting operations.
・Choose hoses and couplings that match the facility conditions (such as fluid, temperature, and pressure).
That wraps up our explanation on when to replace a hose.
Register on the Toyox website to download more in-depth and helpful resources.
That wraps up our explanation on the key checkpoints for deciding the best time to replace a hose.
For any other inquiries or consultations, please contact the Toyox Customer Service Office.
We often get questions like, “When is the right time to replace a hose?” Over time, hoses wear out and are more likely to cause problems. That’s why regular inspection, maintenance, and replacement are important. The timing, however, depends on how and where the hose is used. In this edition of Hose Adviser Pro, we’ll go over how to think about a hose’s service life and review key checkpoints to help you know when it’s time to replace your hose.