Festo DFPD-20-RP-90-RS55-F03 quarter-turn pneumatic actuator, spring return, 13.5 N·m, F03

Festo DFPD-20-RP-90-RS55-F03 (part number 8071603) is a quarter-turn pneumatic actuator from the DFPD series for automating ball valves, butterfly valves and air dampers. The rack and pinion design provides a 90° swivel; version: single-acting, spring return.

Operating pressure 2–8 bar, nominal pressure 5.5 bar. Torque at 0°: 13.5 N·m, at 90°: 7 N·m. Valve connection F03 to ISO 5211, VDI/VDE 3845 (NAMUR) interface, G1/8 pneumatic connection. Anodised aluminium housing, ambient temperature −20 to +80 °C, weight 1.411 kg.

Key features:

• Compact anodised aluminium housing
• End position adjustment within −5°…+5°
• Connection to ISO 5211 and VDI/VDE 3845 (NAMUR)
• For ATEX zones 1, 2, 21 and 22, subject to certificate conditions
• Compressed air supply to ISO 8573-1:2010 [7:4:4]

Specifications:

• Festo part number: 8071603
• Design: pneumatic, quarter-turn, rack and pinion, 90°
• Mode of operation: single-acting, spring return
• Closing direction: clockwise
• Torque at 0° / 90°: 13.5 N·m / 7 N·m
• Spring torque at 0° / 90°: 6.6 N·m / 13.1 N·m
• Operating / nominal pressure: 2–8 bar / 5.5 bar
• Valve connection: F03 to ISO 5211, VDI/VDE 3845 (NAMUR)
• Pneumatic connection: G1/8
• Shaft connection: T9
• Air consumption per cycle: 0.8 L
• Ambient temperature: −20 °C to 80 °C
• Materials: housing anodised aluminium, seals NBR
• Weight: 1.411 kg
• Explosion protection: zones 1, 2, 21, 22 (ATEX); zones 1, 21, 22 (UKEX)

Application: Automation of ball valves, butterfly valves and air dampers.

Before ordering: Before ordering, check the required valve torque with a safety margin, the flange (F03) and the shaft connection (T9). Use in hazardous areas is subject to the Festo certificate conditions.