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  6. DFPD

Quarter turn actuator DFPD

The DFPD series features a rack and pinion combination with a constant torque characteristic across the entire swivel range. The quarter turn actuators DFPD are perfect for automating your butterfly valves, ball valves and air shut off valves.
  • Uniform torque characteristic across the entire rotation angle of 90° with the double-acting version
  • Version with swivel angle 120°, 135°, 180° for the sizes 40, 120, 240, 480, double-acting
  • Process valve connector according to ISO 5211
  • Mounting hole pattern to VDI/VDE 3845
  • Sturdy, non-slip, and easy-to-clean aluminum housing
  • Long service life, low wear
  • Increased corrosion protection
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Flexible in use!

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 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.

Compact and modular

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 standardized hole 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 stop positions can be adjusted and the direction of rotation of the single and double-acting DFPD can be selected.

Optimized spring cartridge design for simple torque adaptation

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.

For large temperature ranges

The DFPD operates reliably at extreme temperatures, with the breadth of low and high-temperature versions ranging from -50 … +150 °C.

The technical highlights presented by the Product Manager

DFPD-C

DFPD-C: perfect for chemicals!

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-anodized end caps, blow-out-proof adjusting screws for the end position, shaft centering ring and captive spring cartridges that are free of non-ferrous metals.

Display all variants of the DFPD-C

Configurator: automate process valves with the DFPD

The configurator for process valve units makes selecting the optimum solution child's play. After you select your parameters, the configurator immediately suggests appropriate combinations, including SystemID and CAD download – making engineering faster, safer, and easier.

Ball valve unit

Ball valve unit KVZB

Use our configurator to dimension and order your customized ball valve units now – it’s quick, easy, secure, and there’s no wait. You will also receive datasheets and CAD data or CAD models that correspond to your configuration.
Actuated butterfly valve

Actuated butterfly valve KVZA

Use our configurator to dimension and order your customized butterfly valve units now – it’s quick, easy, secure, and there’s no wait. You will also receive data sheets and CAD data or CAD models that correspond to your configuration.
Quarter turn actuator unit

Quarter turn actuator unit KDFP

Choose a straightforward drive unit without process valve for automating existing process valves. Simply enter the required parameters into the dialogue box and the configurator will suggest suitable solutions.