Quarter-turn actuator, single-acting, spring return, flange F12, ATEX DAPS-0720-090-RS1-F12 - Festo 549677

Spring return with 240 Nm at 0° and 360 Nm at 90°: the single-acting DAPS-0720-090-RS1-F12 moves quarter-turn valves to their home position if the air supply fails. It is approved to ATEX II 2G and II 2D, swivels 90° and fits flange F12.

Benefits

• Spring return torque 240 Nm at 0°, 180 Nm at 50° and 360 Nm at 90° (spring strength 1, rated for 2.8 bar supply pressure)
• Flange hole pattern 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 29.4 l per cycle at 6 bar.