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C9
Parker Hannifin Corporation
Tube Fittings Division
Columbus, Ohio
http://www.parker.com/tfd
Triple-Lok
®
37° Flare Tube Fittings
4300 Catalog
Features, Advantages & Benefits
Table C4 – Features, Advantages and Benefits
Feature
Advantage
Benefit
Small sealing area
Low assembly torque to achieve sealing. Ease of assembly.
Metal-to-metal seal
Allows for wide range of operating
temperatures and media.
Versatility for different applications.
No minimum wall thickness
limitation
Allows for optimum tube selection and
lower weight hydraulic package.
Reduces material cost and weight.
Short tube entry
Minimum tube prying required for
installation and maintenance.
Easier installation and maintenance.
Adaptable to metric tube
Easily meets customer’s needs for inch or
metric tube.
Versatility for end customer and for
customer standardization efforts.
International standard design Meets global needs.
Standardization. Global acceptance.
Worldwide availability
Due to the proven design, worldwide
customer acceptance, adaptability to
metric and inch tube as well as hose
adapter, Triple-Lok fittings are readily
available throughout the world.
OEM and aftermarket support and
parts readily available worldwide.
Used as hose adapter
Adapts directly to hose swivel connection,
the most commonly used hose
connection in the world. One connector
for tube and hose.
Versatility for flexible system
requirements. Minimizes connector
proliferation.
Available in steel, stainless
steel and brass
Wide selection.
Optimum match to customer’s needs.
Longer adjustable locknut
Backup washer is never exposed to
upper threads, preventing damage during
assembly.
Insures proper assembly to prevent
leaks.
Increased grip area for wrench.
Easier installation
Dual angle female seat
Accepts both 37° and 45° flare fittings
(size 4, 5, 8 and 10, 45° flare only).
Versatility for end customer. Minimize
inventory
Repositions seal location away from the
tip of the nose, preventing nose from
biting into mating seat and making it more
tolerant to minor nose tip damage.
Higher quality assembly and longer
service life.
Forged shapes
No potential leak path and longer fatigue
life.
Long service life.
Compact design.
Used in tighter spaces without
redesigning.
Heat treated forgings
Optimum balance of strength and
toughness. Mimimum nose collapse.
Balanced strength and shock resistance.
Flow restrictions are minimal,
repeated assembly possible, no
leakage. Higher working pressure and
longer service life.
Cold formed tube nuts and
sleeves
Stronger than machined nuts.
Longer service life. More robust
product.
Widest range of tube O.D. sizes
available in a hydraulic fitting
All standard and several non-traditional
sizes are available including: 1/8”, 3/16”,
5/16”, 7/8”, 2” and 2-1/2” tube O.D. sizes.
Also, 16 different metric tube sizes are
adaptable to Triple-Lok.
Additional flexibility for hydraulic
systems.
Broad line of configurations
and port ends available
Meets global needs for OEM and MRO
applications.
Standardization and cost control. Less
components. Eliminates conversion
adapters.