Hose-fitting compatibility and system approval

Compatibility and pressure are two separate questions

Even if a part appears to have a suitable pressure rating, it may not be the correct series in terms of retention on the hose and sealing. Danfoss emphasizes its own approved hose-fitting combinations and assembly instructions. We do not generalize this warning as if other brands had an approval.

Source: S018

Recommended system approval record

• Hose manufacturer, full series code and size
• Fitting and ferrule series codes
• Skive/no-skive and the related assembly method
• Machine, die and assembly document designation
• Revision and date of the source document
• Which combination the manufacturer approval covers

Original editorial recommendation; not a clause of a standard.

Do not guess crimp data

The crimp diameter, tolerance, die or torque value for the actual product must be taken only from the current manufacturer instructions. Fields without a source must not be filled in by estimation.

Original editorial recommendation; not a clause of a standard.

Frequently asked questions

Is every hose of a brand compatible with every fitting of the same brand?

No. A brand name is not a substitute for approval; a manufacturer document is required for the specific series and size combination.

Original editorial recommendation; not a clause of a standard.

Can a generic crimp chart be used?

No. Crimp data is tied to the hose, fitting, ferrule, size and the manufacturer's system; a generic chart is not used without verified product-specific instructions.

Original editorial recommendation; not a clause of a standard.