Quarter-turn actuator, single-acting, spring return, flange F07/F10, ATEX DAPS-0120-090-RS2-F0710 - Festo 533444

The actuator DAPS-0120-090-RS2-F0710 opens the valve pneumatically and closes it by spring force, even if the air supply fails. Spring strength 2 provides a return torque of 50 Nm at 0° and 75 Nm at 90°, mounting is via flange F07/F10 to ISO 5211.

Benefits

• Spring return torque 50 Nm at 0°, 37.5 Nm at 50° and 75 Nm at 90° (spring strength 2, rated for 3.5 bar supply pressure)
• Pneumatic torque at 5.6 bar: 150 Nm at 0°, 125 Nm at 90°
• Flange hole pattern F07/F10 to ISO 5211, shaft connection T22 with 24.8 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 3.5 to 8.4 bar, air consumption 5.6 l per cycle at 6 bar.