#FluidPowerWebinar
#FluidPowerWebinar
q  This webinar will be available afterwards at
www.fluidpowerworld.com & email
q  Q&A at the end of the presentation
q  Hashtag for this webinar: #FluidPowerWebinar
Before We Start
#FluidPowerWebinar
Meet your Speakers
MODERATOR FEATURED SPEAKER
Michelle DiFrangia
Assistant Editor
Fluid Power World
Josh Cosford
Contributing Editor
Fluid Power World
#FluidPowerWebinar
Proper Hose Assembly
Guidelines
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Hydraulic hoses exist on nearly every
hydraulic machine. It is critical to
ensure hose assemblies are fabricated
with care to ensure reliability of the
hose and the hydraulic system they’re
part of.
This presentation covers the essentials
of hydraulic hose assembly to ensure
the machine is safe and dependable.
Proper Hose Assembly Guidelines
#FluidPowerWebinar
-How to ensure the hose
assembly is free from
contamination
Proper Hose Assembly Guidelines
#FluidPowerWebinar
-How to ensure the hose
assembly is free from
contamination
-How to measure a fitting to
ensure the most secure crimp
Proper Hose Assembly Guidelines
#FluidPowerWebinar
-How to ensure the hose
assembly is free from
contamination
-How to measure a fitting to
ensure the most secure crimp
-Which fittings are required for
different types of hydraulic hose
Proper Hose Assembly Guidelines
#FluidPowerWebinar
-How to ensure the hose
assembly is free from
contamination
-How to measure a fitting to
ensure the most secure crimp
-Which fittings are required for
different types of hydraulic hose
-How to ensure finished hose
length is accurate
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Important First Step Alert!
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Identify what you need
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Identify what you need
Proper Hose Assembly Guidelines
Is it a new hose assembly?
#FluidPowerWebinar
Identify what you need
Proper Hose Assembly Guidelines
Is it a new hose assembly?
Is it a replacement hose
assembly?
#FluidPowerWebinar
New hydraulic hose
assemblies should be
chosen with consideration
to their specific application
Proper Hose Assembly Guidelines
#FluidPowerWebinar
S
T
A
M
P
E
D
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
Application
Material
Pressure
Ends
Delivery
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
T
A
M
P
E
D
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
-includes the ID, OD and
length
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
-includes the ID, OD and
length
-hose must be sized
appropriately to handle flow
with little pressure drop
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
-measured length is critical
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
-cut off length is subtracted
to obtain hose cut length
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
-the cut off factor of each
fitting is subtracted from total
hose length
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
A
M
P
E
D
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
-what is the temperature of
the fluid?
-what is the ambient
temperature?
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
-typical hydraulic hose is
good for -40°F to 212°F
(-40°C to 100°C)
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
-high temperature hose is
good for 300°F plus
-for high ambient
temperatures
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
-low temperature hose is
good for -58°F to 212°F
-for cold ambient
conditions
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
Application
M
P
E
D
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
Application
-where is the hose used?
-what is the required bend
radius?
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
Application
-where is the hose used?
-what is the required bend
radius?
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
Application
-what are the external
conditions?
-is there a risk of abrasion,
corrosion or electrical
conductivity?
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
Application
Material
P
E
D
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
Application
Material
-the type of fluid being used
is critical to hose selection
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
Application
Material
-standard mineral-based
hydraulic fluid is compatible
with most hose types
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
Application
Material
-exotic fluids, like phosphate
ester, require synthetic
hoses, like EPDM
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
Application
Material
Pressure
E
D
Proper Hose Assembly Guidelines
#FluidPowerWebinar
-pressure capacity is the
defining criteria for hydraulic
hose
-pressure dictates construction
Pressure
E
D
Proper Hose Assembly Guidelines
#FluidPowerWebinar
-hose construction dictates the
pressure capacity of a
hydraulic hose
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
High pressure, reduced flexibility
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Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
Application
Material
Pressure
Ends
D
Proper Hose Assembly Guidelines
#FluidPowerWebinar
-type of threads
-male or female
-swivels
-straights or elbows
-permanent or reusable
Ends
D
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
-reusable fittings are also
called field attachable
-crimped on fittings are
permanent
Ends
D
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
Reusable Hose Ends
#FluidPowerWebinar
Proper Hose Assembly Guidelines
Crimped Hose Ends
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Size
Temperature
Application
Material
Pressure
Ends
Delivery
Proper Hose Assembly Guidelines
#FluidPowerWebinar
-how many hose assemblies
do you need?
-how soon do you need
them?
-any special tagging or lay
line information?
Delivery
Proper Hose Assembly Guidelines
#FluidPowerWebinar
What if you are replacing
and old hose?
Proper Hose Assembly Guidelines
#FluidPowerWebinar
-do not try to repair the old
hose, unless absolutely
necessary
-follow the STAMPED
protocol to ensure the
correct replacement is made
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Cutting the hose
-ensure only a specialized
hose cutting saw is used
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Cutting the hose
-ensure only a specialized
hose cutting saw is used
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Cutting the hose
-ensure you cut exactly 90°
across the hose
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Crimp the hose to the
specifications spelled out by
the hose and fitting
manufacturer
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Clean the hose assembly
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Clean the hose assembly
-use approved hose
cleaning apparatus
-immediately cap the hose
ends to protect from
environmental contamination
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Clean the hose assembly
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Clean the hose assembly
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Clean the hose assembly
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Clean the hose assembly
Proper Hose Assembly Guidelines
#FluidPowerWebinar
Questions?
MODERATOR FEATURED SPEAKER
Michelle DiFrangia
Assistant Editor
Fluid Power World
Josh Cosford
Contributing Editor
Fluid Power World
#FluidPowerWebinar
q  This webinar will be available at
www.fluidpowerworld.com & email
q  Tweet with hashtag #FluidPowerWebinar
q  Connect with Fluid Power World
q  Discuss this on EngineeringExchange.com
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Proper Hose Assembly Guidelines