Quarter-turn actuator, single-acting, spring return, flange F04, ATEX DAPS-0015-090-RS4-F04 - Festo 533483

The actuator DAPS-0015-090-RS4-F04 opens the valve pneumatically and closes it by spring force, even if the air supply fails. Spring strength 4 provides a return torque of 10 Nm at 0° and 15 Nm at 90°, mounting is via flange F04 to ISO 5211.

Benefits

• Spring return torque 10 Nm at 0°, 7.5 Nm at 50° and 15 Nm at 90° (spring strength 4, rated for 5.6 bar supply pressure)
• Pneumatic torque at 5.6 bar: 15 Nm at 0°, 10 Nm at 90°
• Flange hole pattern F04 to ISO 5211, shaft connection T11 with 13.2 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

The DAPS-0015-090-RS4-F04 sits on water, wastewater and process valves with flange F04. It works at 5.6 to 8.4 bar and uses 0.63 l of air per switching cycle at 6 bar.