Measure
How to measure hydraulic hose assembly length
Use clear end points, record fitting orientation, and keep finished length separate from hose cut length.
Measure in this order
- Lay the assembly naturally
Remove tight coils without stretching the hose. Do not pull it straight under tension just to gain length.
- Choose the correct end points
Use the fitting manufacturer’s measurement convention. The reference may be an end face, sealing seat, elbow centerline, or another defined point.
- Record the finished length
Write the unit and measurement method beside the number. Photograph the ruler or tape with both reference points visible when practical.
- Record elbow clocking
Place one bent fitting in the reference position and record the rotation of the other. Do not twist the hose to make an incorrect orientation fit.
- Calculate cut length only with verified allowances
Cut length = finished assembly length − fitting allowance 1 − fitting allowance 2. Use the exact manufacturer’s fitting and crimp data.
What changes the measurement point?
| End type | What to confirm |
|---|---|
| Straight male or stem | Whether length is taken to the end, seat, or another manufacturer-defined datum. |
| Female swivel | Whether the reference is the nut end, sealing face, or seat location. |
| Bent fitting | The measurement datum and the clocking angle relative to the other fitting. |
| Flange or special end | The centerline or face convention in the applicable manufacturer drawing. |