Masterflex Tubing Life Guidelines

Tubing life performance is just one of many factors present in your pumping application. These helpful reference charts are designed to help you select tubing that meets your specific needs.

In general:

1. NORPRENE^® and PHARMED^® tubing materials offer the best tubing life in all applications. In fact, at 50 rpm, tubing life can exceed 5000 hours in some MASTERFLEX L/S^® sizes.
2. High-Performance Precision tubing increases tubing life 20% to 30% over Precision tubing.
3. NORPRENE/PHARMED tubing has the best life in pressure applications.
4. Peroxide-Cured Silicone tubing offers up to 40% more tubing life. Platinum-Cured Silicone tubing offers better chemical compatibility. New Extended-Life Platinum-Silicone tubing lasts up to 5 times longer than other platinum-silicone tubings.

Once you select your tubing:

1. Test a sample in your application.
2. To monitor tubing life, check the duty cycle and look for tubing fatigue (small pin hole leaks, abrasions, etc.)
3. Set up a maintenance and replacement schedule to prevent tubing failure.

Testing Parameters:

Our tubing life graphs depict usable hours shown at various motor speeds while continuously pumping water at 21°C (70°F) and 0 bar (0 psig). This data has been collected from years of testing MASTERFLEX peristaltic pumps. MASTERFLEX life data is calculated from the time of failure or reduction to 50% flow rate, whichever comes first.

These charts are best used as a general comparison only. It is not a guarantee that you will achieve the results shown. The life of all types of tubing is adversely affected by temperature, pump motor rpm, chemical compatibility, and pressure.

Check out the guide lines for your tubing: