How is crimp data verified?

Technical explanation

The performance of a hose assembly depends on the components working together. Manufacturer safety guides are based on proper hose and fitting matching and on approved assembly instructions. Products that look the same from the outside can differ in wall, reinforcement and fitting geometry. The crimp diameter is not the only check; cutting, preparation, insertion depth and the manufacturer's other acceptance criteria are also important. A correct machine setting does not correct a wrong component match.

Source: S017, S018

Topic-specific checkpoints

Source: S017, S018

How to evaluate it in practice

Write the hose and fitting/ferrule codes, the size, the instruction revision and the equipment to be used on the work order. Prevent the operator from deriving a new value from an old dimension as free text. If no instruction is available, stop the assembly and obtain verification from the manufacturer; do not create a publishable crimp chart by trial and error. Record how the measured result relates to the target and the tolerance. A changed component or instruction must be treated as a new assembly revision.

Original editorial recommendation; not a clause of a standard.

Frequently asked questions

Can the crimp dimension of another hose of the same diameter be used?

It cannot be used without the manufacturer's explicit verification. Nominal diameter does not mean equivalence of the assembly combination.

Source: S017, S018