Production • Processing • Handling


finished and cleaned tubing systems are assembled and subsequently delivered to the Parker European central store nearby for onward shipment. Delivery direct to the assembly point and final assembly, complete with line testing, are all part of the overall system performance, as well as washing and final acceptance of the tubing systems. Te Parflange F37 system is the core element of the Complete Piping Solutions concept. It was developed for tube lines from 16 up to 273mm (½ to 10 inches) outside diameter and is suitable for pressures up to 420bar. Depending on application, the tube connector itself is manufactured by means of flaring or retaining ring technology. In comparison with classical welding, the special orbital flaring process needs considerably fewer operations. Te basis of the system is the well- proven Parflange technology by means of which a high-strength flared connector with a rolled, compacted tube end surface is produced, positively locking the tubes with each other. Stress corrosion cracking cannot occur, thus prolonging the life of the tubing system. Neither degreasers, anticorrosive agents nor subsequent tube cleaning are required. When galvanised tubing is being used, there is no need for post-galvanisation because the zinc layer is not affected by the flaring process. No harmful vapours occur during flaring or assembly and there is no risk of fire or explosion. Tis means that the technology can be applied also in workplaces with stringent safety regulations such as, for example, offshore platforms.


Te Parflange 170 machine for absolutely smooth, fold-free flaring, is part of the Parflange F37 system. Te remarkably short cycle time – only one to two minutes for total machining depending on tube quality – makes obvious the considerable productivity advance compared with welded piping systems. Many different projects can be


realised considerably more quickly with Parker’s Complete Piping Solutions technology. In the CPS Center customers utilise the expert knowledge of the resident systems engineers and technicians and thereby reduce their own design expenditure and ultimately increase their productivity. Without internal friction and co-ordination problems, machinery and plant builders‘ time is freed up for their own more important tasks. With its Complete Piping Solutions system, Parker makes available consistently high quality everywhere. In the meantime there are CPS Centers in the most important industrial concentrations around the world. ●


Fig. 2. The Parflange F37 system is the core element of the Complete Piping Solutions concept.


For more information ✔ at www.engineerlive.com/iog


Andreas Voss is with Parker Hannifin GmbH, Bielefeld, Germany. www.parker.com


Explosion-proof electric actuator D


esigned for butterfly and ball valve automation, AUMA’s explosion-proof version part-turn


actuator, the SQEx .2, replaces AUMA’s established SG .1 range. Enhancements set to expand process control applications for AUMA in the oil and


gas industries include a significant increase in torque range, sophisticated diagnostics and asset management functionality. A new actuator size in the SQEx .2 series more than doubles the torque range offered by AUMA’s predecessor product: this is a significant expansion now covering 50Nm to 2,400Nm. Features and benefits include adoption over a wider torque range without the need for a gearbox – this provides a more compact and cost effective actuation solution. Sophisticated diagnostics and asset management enhancements include additional temperature and vibration sensors. For enhanced positioning accuracy,


and an increased number of permissible starts per hour, an SQREx version for modulating duty is also available from AUMA. Commissioning and operation of SQEx actuators


are identical to the SAEx .2 multi-turn range. Both ranges are available with simple AMExC or micro-controller operated ACExC integral controls – controls are therefore interchangeable and, at plants where both product series are installed, on-site device management is simplified. The SQEx .2 meets the European ATEX and


International IECEx standards. The product will be submitted for certification in additional countries including the Russian Federation, the United States, Japan and Canada. ●


For more information ✔ at www.engineerlive.com/iog


AUMA GmbH is based in Mülheim, Germany. www.auma.com


www.engineerlive.com 59


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