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Measuring a hose assembly

How to Correctly Measure a Hose Assembly
When a bespoke hose assembly is manufactured to a customers specification, the required length of the assembly and angle of the end fittings often causes confusion on how they are measured.

Length of a Hose Assembly
The majority of hose assemblies length are measured from sealing face to sealing face (seat to seat), which is roughly the centre of the nut depending upon the type of sealing face.






Angle Between Two Elbows
The angle between to elbow end fittings is measured anti clockwise.







Identifying Sealing Surfaces
To verify what type of end fitting you require, here is a diagram of the more common sealing surfaces. Please note that there are metric threaded fittings, which also have very similar looking sealing surfaces to all three examples.