Quarter turn actuator, single-acting, spring return, size 20, flange F05 DFPD-N-20-RP-90-RS35-F05-R3-C - Festo 8102799

If the compressed air fails, the spring set of the DFPD-N-20-RP-90-RS35-F05-R3-C turns the valve into the defined position with at least 5.4 Nm spring torque. Flange pattern F05 to ISO 5211 and shaft connection T11, depth 12 mm fit directly onto the valve top.

Benefits

• 4.5 to 8.6 Nm with compressed air (3.5 bar) and 5.4 to 10.7 Nm from the spring set
• Safety position by spring force if air supply fails, device type to VDMA 66413: safety component
• Valve interface to ISO 5211: flange F05, shaft connection T11
• Valve interface to VDI/VDE 3845 (NAMUR) for direct mounting of a solenoid valve, positioner and position sensor interface size AA 1
• For hazardous areas: ATEX II 2G and II 2D, ignition protection Ex h IIC T4 Gb X
• Air consumption 0.8 l per switching cycle at 6 bar

Applications

The DFPD is intended for quarter-turn valves with top flange F05, such as ball valves and butterfly valves in process plants. For hazardous areas: the actuator with flange F05 is rated ATEX II 2G/2D for zones 1 and 2 as well as zones 21 and 22. The operating medium is compressed air to ISO 8573-1:2010 [7:4:4] within 2 to 8 bar, nominal pressure 3.5 bar. The product weight is 1.38 kg.