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Production • Processing • Handling


Reduce the time and cost of developing hydraulic systems


Thomas Ruediger and Frank Wiele look at a solution designed to save on installation, maintenance and operating expenses of hydraulic systems.


maintenance and operating expenses and the demand for compact and space-saving equipment. Against this background, for the design of


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hydraulic systems Parker Hannifin now offers with its Piping Solutions Programme welding-free flange connectors; it offers the user substantial savings potential along with a comprehensive service and advisory package.


he development of hydraulics is nowadays characterised by increasing system pressures and safety requirements, continuing pressure to make savings in installation,


welding because of its significantly fewer work operations. Te system is based on Parflange technology, producing a high strength flared connection having a rolled, consolidated pipe end surface. It positively locks the pipes together. Te stress corrosion cracking caused by welding cannot occur, which of course increases the service life of the piping system. Since there is no external heat supply, Parflange technology saves energy. Tere is no requirement for degreasers or anti-corrosion agents, nor for subsequent pipe cleaning. Re-galvanising is not required when galvanised pipes are being used because the zinc layer is not affected by flaring. No noxious gases are created either during flaring or assembly and there is no risk of fire or explosion. Tis means that deployment in locations with high safety requirements, eg offshore platforms, is perfectly possible. Te Parflange ECO 170 is part of the Parflange F37 system and produces fold-free, absolutely smooth flares on site. Te remarkably short cycle time – totalling only one to two minutes for the complete machining operation, depending on the pipe characteristics – makes the substantial productivity gain compared with welded line systems very clear.


Whether for original build or the modernisation of existing equipment – besides trusted mature technology, Parker Hannifin with its Piping Solutions Programme offers customers comprehensive all-round support from the very first advisory discussion through to design, pre-assembly, supply and installation of the pipe and flange components. One and the same Parker support person is responsible for the correct execution of each individual stage. For the customer, this means faster operation of the complete project. ●


Fig. 1. Parflange F37 system is at the heart of Parker Hannifin’s Piping Solutions concept.


Te Parflange F37 system is at the heart of the Piping Solutions concept. It was developed for pipelines from 16 mm (1/2 inch) up to 165 mm (6 inches) outside diameter and pipe wall thicknesses up to 9 mm, and is suitable for pressures up to 420 bar. Te special orbital flaring process is very convincing when compared with conventional


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Thomas Ruediger and Frank Wiele are with Parker Hannifin GmbH - Fluid Connectors Group - Tube Fittings Division Europe, Bielefeld, Germany. www.parker.com


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