The four manufacturers of Polyvinyl chloride tubing were studied with the use of a conventional Travenol roller pump under long term conditions. The conventional roller pump creates spallation, fatigue, erosion, and destruction to Polyvinyl chloride tubing. This is evident with assist time-lapse photography, microscopic examination and observation. All brands are susceptible to fatigue characteristics. Each brand demonstrates forms of fatigue and durations.
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Bretz et al. (1979) studied this question.