Quarter turn actuator, single-acting, spring return, size 900, flange F14 DFPD-900-RP-90-RS35-F14-R3-C - Festo 8102888

The single-acting DFPD in size 900 moves the valve with 207 to 356.2 Nm air torque at 3.5 bar and returns it by spring with 179.6 to 328.8 Nm. It mounts via the F14 hole pattern to ISO 5211, the T36 shaft, depth 38 mm engages the valve stem.

Benefits

• Air torque 207 to 356.2 Nm at 3.5 bar, spring return torque 179.6 to 328.8 Nm
• Safety position by spring force if air supply fails, device type to VDMA 66413: safety component
• Valve interface to ISO 5211: flange F14, shaft connection T36
• Valve interface to VDI/VDE 3845 (NAMUR) for direct mounting of a solenoid valve, positioner and position sensor interface size AA 3
• For hazardous areas: ATEX II 2G and II 2D, ignition protection Ex h IIC T4 Gb X
• Air consumption 31.5 l per switching cycle at 6 bar

Applications

Typical tasks are on/off actuation of ball valves, butterfly valves and plug valves with top flange F14. The ATEX rating II 2G/2D allows the DFPD-900-RP-90-RS35-F14-R3-C to be installed in zones 1 and 2 as well as zones 21 and 22. Medium: compressed air to ISO 8573-1:2010 [7:4:4], permitted 2 to 8 bar, rated at 3.5 bar. For sizing the valve bracket: product weight 28.4 kg.