Quarter-turn actuator, single-acting, spring return, flange F16, ATEX DAPS-1920-090-RS1-F16 - Festo 549689

Spring return with 640 Nm at 0° and 960 Nm at 90°: the single-acting DAPS-1920-090-RS1-F16 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 F16.

Benefits

• Spring return torque 640 Nm at 0°, 480 Nm at 50° and 960 Nm at 90° (spring strength 1, rated for 2.8 bar supply pressure)
• Flange hole pattern F16 to ISO 5211, shaft connection T46 with 49 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-1920-090-RS1-F16 sits on water, wastewater and process valves with flange F16. It works at 2.8 to 8.4 bar and uses 91.7 l of air per switching cycle at 6 bar.