Quarter-turn actuator, single-acting, spring return, flange F10/F12, ATEX DAPS-0240-090-RS1-F1012 - Festo 533451

The actuator DAPS-0240-090-RS1-F1012 opens the valve pneumatically and closes it by spring force, even if the air supply fails. Spring strength 1 provides a return torque of 80 Nm at 0° and 120 Nm at 90°, mounting is via flange F10/F12 to ISO 5211.

Benefits

• Spring return torque 80 Nm at 0°, 60 Nm at 50° and 120 Nm at 90° (spring strength 1, rated for 2.8 bar supply pressure)
• Flange hole pattern F10/F12 to ISO 5211, shaft connection T27 with 29.5 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

The DAPS-0240-090-RS1-F1012 sits on water, wastewater and process valves with flange F10/F12. It works at 2.8 to 8.4 bar and uses 10.5 l of air per switching cycle at 6 bar.