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A Holedall Fittings Holedall External Swage Coupling System B 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 C 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 O.D. The ferrule penetrates the hose wall, providing a 360� uninterrupted compression band around the hose. A hydraulic ram is the only piece of machinery necessary to accomplish the coupling. Available in five different sizes - D 15, 25, 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 swaging operation is fast and hose of various lengths and different styles can be coupled. Ease of operation, flexibility E and economy make the Holedall method an unequalled assembly system. The Holedall coupling - the most adaptable coupling available. For almost half a century, Holedall couplings have provided long-lasting efficiency and safety unmatched by any other F industrial hose fitting. Couplings are available in stainless steel and carbon steel. Couplings are furnished with pipe thread, plain end, victaulic grooved or flanged ends. G Dixon Holedall stems and ferrules are specifically designed to be used together as a coupling system. H Due to differences in dimensions and tolerances, for safety reasons, do not use other manufacturer's stems or ferrules with Dixon Holedall products. I Streamlined, lightweight coupling consisting of ferrule and stem. No protrusions to snag on equipment. J Displacement of hose carcass into flared K portion of coupling traps and seals hose end. Ferrule Stem L ValvesClampsFittingsGrooveJointsRepairFittings&FittingsFittingsWeldingFittingsFittingsFittingsFittingsFittingsFittings BossAirShankBrassPlasticHydraulicHoledallSanitaryFireSwivel&CamHoseTruckPipe&TankMaintenance Hose I.D. M N O Cross-section of holedall externally swaged assembly P DPL108 313 pages312-328.pmd 313 10/5/2007, 10:15 AM
Goodyear Rubber Products
