ISO 7233:2021
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Rubber and plastics hoses and hose assemblies Determination of resistance to vacuum
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English, French
20-04-2021
This document specifies three methods for determining the resistance to vacuum of hoses and hose assemblies manufactured from plastic or rubber. Applicable dimensions of hoses for each method are as follows:
methodAfor hoses of nominal size up to and including 80;
methodB for hoses of nominal size greater than 80;
methodC for hoses of all dimensions.
If not otherwise specified in the product standard, method C can be used as an alternative to methodsA andB.
MethodsA andB can also be used to check the adhesion of the lining to the reinforcement (delamination) in a length of hard-wall hose or hose assembly.
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