Live Length
Overall Length
To calculate the proper length of a hose assembly, you need to:
1.
Verify that the installation is properly designed
(refer to Do’s & Don’ts on page 36 in
Technical Section)
• Do not torque the hose
• Do not overbend the hose
• Do not compress the hose
2.
Calculate the live length of the assembly
- The live length of the assembly is the
amount of active (fexible) hose in an assembly; that is, the hose between the braid collars
(refer to pages 23-24 for formulas to help calculate live length for a variety of common
hose installations).
3.
Calculate the overall length of the assembly
- Overall length is equal to the live length
plus the lengths of the braid collars and fttings. When adding ftting lengths, be aware
that the points from which measurements should be taken vary for different ftting
types. When calculating overall length for assemblies with threaded fttings, remember
to account for the length of thread that is lost by threading into the mating connection
(refer to Thread Allowance chart on page 36 in the Technical Section).
JIC/SAE-type fttings are measured from the
seat of the ftting
Elbows and other fttings with a radius are
measured from the centerline of the ftting
Flanges are measured from the fange face
or from the face of the stub end if one is used
Threaded fttings are measured to the end of
the ftting
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800 - 221 - 2319
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www. hosemas t e r. com
For assistance in making any calculation or for dimensional information on fttings, please contact Hose
Master’s Inside Sales Department.
length considerations
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