Quality documents
Quality documents: scope, limits of use and technical checkpoints.
5 guides
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Technical documents to request with a hose assembly
The delivery file of a hose assembly must show the identity of the ordered product and the requested checks in a traceable way. The scope of the file is determined by the application and the contract; it is not correct …
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Distinguishing an inspection document from a declaration of conformity
An inspection document, a test report and a declaration of conformity can be issued for different purposes. Who issued it, what it covers and which product it is linked to matter as much as the name of the document; one…
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Distinguishing material documents from finished product performance
A material certificate provides information on the material properties of a part; on its own, it does not show the pressure, sealing or cyclic performance of the completed hose assembly. Material correctness and assembl…
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How to record the scope of a manufacturer approval letter
A manufacturer approval must be based on an explicit document showing that a specific product or combination has been evaluated for specific conditions. A general catalog statement, a sales conversation or data for a pr…
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Revision and change management in the technical file
Revision management makes it possible to track a changed product or piece of information without deleting the previous record. When the hose, fitting, material, assembly method or service condition changes, it must not …
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