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Due to differences in dimensions and tolerances, for safety reasons, do not use
other manufacturer's stems or ferrules with Dixon Holedall products.
Holedall External Swage Coupling System
The Holedall coupling system provides outstanding strength, durability and safety.
The Holedall system is a method of attaching couplings to hose utilizing a progressive swage. The patented Holedall
couplings include a Holedall stem and a specially engineered ferrule. The hydraulic swaging of the coupling to the hose
is accomplished by pushing the ferrule through a die which reduces the ferrule OD, thus providing a 360° uninterrupted
compression band around the hose.
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50, 100
and 350 ton - these rams will accommodate dies and pushers of various sizes so that hoses up to 10" in diameter may
be coupled.
This multi-purpose, high pressure coupling system requires no bolts and results in a clean coupling with no protrusions. The
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economy make the Holedall method an unequalled assembly system.
The Holedall coupling:
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available in stainless steel and carbon steel.
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Streamlined, lightweight coupling consisting of ferrule and stem.
No protrusions to snag on equipment.
cross-section of Holedall externally swaged assembly
displacement of hose carcass
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traps and seals hose end
ferrule
stem
hose ID
do not use wrench or vice on ferrule