Production • Processing • Handling
Fig. 3. In the CPS Centre tube diameters up to 220 mm are machined by cold forming on modern CNC bending machines.
diameters up to 220mm are machined by cold forming on modern CNC bending machines. Depending on requirements, bend radii of 2 x D and 3 x D are possible. Te finish-machined and cleaned tube systems are assembled and later delivered to the near-by Parker European central stores in Bielefeld for onward despatch. If the customer wishes, Parker experts will undertake assembly, flushing and final acceptance of the tube systems on site. Te Parflange F37 system is the core element
of the Piping Solutions concept. Development has been carried out for tube lines from 16mm (½-in) up to 273mm (10-in) outside diameter and is suitable for pressures up to 420bar. Te tube connector itself, depending on the application, is manufactured with the help of flare or retaining ring technology.
Te special orbital flaring process is very convincing when compared with classical welding because of significantly fewer operations. Te basis of the system is the well-proven Parflange technology, by means of which a high-strength flared connection with a rolled, compacted tube-end surface is generated. It joins and positively locks the tubes together. Stress cracking corrosion caused by welding cannot occur, thus increasing the durability of the tube system. Parflange technology is also energy-saving
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because it manages without the introduction of external heat. Neither degreasing nor anti-corrosion agents nor subsequent tube cleaning are necessary. If galvanised tubes are being used, re-galvanising can be omitted because the zinc layer is not affected by flaring. Harmful fumes do not occur during flaring or assembly and neither is there any fire or explosion risk. Tis means it can be used on sites with high safety requirements such as, for example, offshore platforms. Part of the Parflange F37 system is the Parflange 170 machine, giving crease-free, absolutely smooth flaring on site. Te remarkably short cycle time - only one to two minutes for total machining, depending on tube properties - makes very clear the significant advance in productivity as compared with welded piping systems. With Parker’s Complete Piping Solutions concept, projects of every kind can be realised significantly faster. In the CPS Centre customers make use of the expert knowledge of the systems engineers and technicians in attendance and thereby reduce their own design costs and increase their productivity. ●
For more information ✔ at
www.engineerlive.com/iog
Georg Kälble — Parker Hannifin Manufacturing Germany GmbH & Co. KG.
www.parker.com
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