Quarter-turn actuator, single-acting, spring return, flange F12, ATEX DAPS-0720-090-RS4-F12-MW - Festo 8005064

The actuator DAPS-0720-090-RS4-F12-MW opens the valve pneumatically and closes it by spring force, even if the air supply fails. Spring strength 4 provides a return torque of 480 Nm at 0° and 720 Nm at 90°, mounting is via flange F12 to ISO 5211.

Benefits

• Spring return torque 480 Nm at 0°, 360 Nm at 50° and 720 Nm at 90° (spring strength 4, rated for 5.6 bar supply pressure)
• Pneumatic torque at 5.6 bar: 720 Nm at 0°, 480 Nm at 90°
• 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

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 29.4 l per cycle at 6 bar.