Quarter-turn actuator, single-acting, spring return, flange F14, ATEX DAPS-0960-090-RS3-F14 - Festo 533461

For valves with flange F14 that must return safely to their home position on air failure: the Festo DAPS-0960-090-RS3-F14 with spring strength 3 swivels 90°. The spring provides 480 Nm at 0° and 720 Nm at 90°.

Benefits

• Spring return torque 480 Nm at 0°, 360 Nm at 50° and 720 Nm at 90° (spring strength 3, rated for 4.2 bar supply pressure)
• Pneumatic torque at 5.6 bar: 1120 Nm at 0°, 880 Nm at 90°
• Flange hole pattern F14 to ISO 5211, shaft connection T46 with 48.5 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 4.2 to 8.4 bar, air consumption 41.3 l per cycle at 6 bar.