Quarter-turn actuator, single-acting, spring return, flange F16, ATEX DAPS-2880-090-RS4-F16-T6 - Festo 553247

For valves with flange F16 that must return safely to their home position on air failure: the Festo DAPS-2880-090-RS4-F16-T6 with spring strength 4 swivels 90°. The spring provides 1920 Nm at 0° and 2880 Nm at 90°.

Benefits

• Spring return torque 1920 Nm at 0°, 1440 Nm at 50° and 2880 Nm at 90° (spring strength 4, rated for 5.6 bar supply pressure)
• Pneumatic torque at 5.6 bar: 2880 Nm at 0°, 1920 Nm at 90°
• Flange hole pattern F16 to ISO 5211, shaft connection T46 with 49.5 mm depth
• NAMUR valve interface to VDI/VDE 3845 for direct mounting of a solenoid valve
• ATEX II 2G and II 2D, type of protection Ex h IIC T6...T3 Gb X
• Usable in SRP/CS up to SIL 2, low demand and high demand

Applications

Automating ball valves, butterfly valves and other quarter-turn valves in process plants, including hazardous areas. Operating pressure 5.6 to 8.4 bar, air consumption 147 l per cycle at 6 bar. This version can be used down to -50 °C ambient temperature.