Quarter-turn actuator, single-acting, spring return, flange F10/F12, ATEX DAPS-0480-090-RS1-F1012 - Festo 533455

For valves with flange F10/F12 that must return safely to their home position on air failure: the Festo DAPS-0480-090-RS1-F1012 with spring strength 1 swivels 90°. The spring provides 160 Nm at 0° and 240 Nm at 90°.

Benefits

• Spring return torque 160 Nm at 0°, 120 Nm at 50° and 240 Nm at 90° (spring strength 1, rated for 2.8 bar supply pressure)
• Flange hole pattern F10/F12 to ISO 5211, shaft connection T36 with 38.5 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
• Corrosion resistance class 3, ambient temperature -20 to 80 °C

Applications

Automating ball valves, butterfly valves and other quarter-turn valves in process plants, including hazardous areas. Operating pressure 2.8 to 8.4 bar, air consumption 19.6 l per cycle at 6 bar.