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DFPD – the new benchmark for quarter-turn actuators. It can be used as an individual actuator or as part of a complete automated process valve system from Festo. With a torque range from 10 to 2,300 Nm, a rotation angle of up to 180° and corrosion-resistant versions, the single- or double-acting DFPD is suitable for ball valves, butterfly valves or air dampers in the chemical, pharmaceutical and beverage industries, as well as for water treatment.
The compact rack-and-pinion combination – especially in the single-acting version – is easy to install even when space is at a premium. Its range of variants, the standardised port patterns to NAMUR VDI/VDE 3845 for pilot valves as well as the many compatible peripheral devices mean that it can be operated in a large variety of applications. In addition, both the end positions can be adjusted and the direction of rotation of the single- and double-acting DFPD can be selected.
Thanks to the spring design, the pressure range can be perfectly set for the task in hand. This allows pressures from 2 to 6 bar to be easily set in increments of 0.5 bar.
The DFPD operates reliably at extreme temperatures, with the breadth of low- and high-temperature versions ranging from -50 to +150°C.
The technical highlights presented by the Product Manager
The quarter-turn actuators DFPD-C and DFPD-C-VDE2 are equipped for the harsh conditions in the chemical industry and set a new benchmark thanks to their excellent features. These include a NAMUR interface to VDI/VDE 3847, hard-anodised end caps, blow-out-proof adjusting screws for the end position, shaft centring ring and captive spring cartridges that are free of non-ferrous metals.
The configurator for process valve units makes selecting the optimum solution child’s play. Simply select your parameters and the configurator will immediately suggest appropriate combinations, including system ID and CAD download, making engineering faster, safer and simpler.