Festo DFPD-20-RP-90-RD-F04 Semi-rotary Drive

Features

• 20 size of valve actuator
• F04 flange hole pattern
• 90DEG swivel angle
• -5DEG end-position adjustment range at nominal swivel angle
• 5DEG end-position adjustment range at nominal swivel angle
• 12MM shaft connection depth
• ISO 5211 fitting connection conforms to standard
• Optional mounting position
• Double-acting mode of operation
• Rack and pinion design
• Closes to the right closing direction
• 991265 symbol
• VDI/VDE 3845 (NAMUR) valve connection conforms to standard
• VDI/VDE 3845 size AA 1 connection point for positioner and position sensor conforms to standard
• Safety device device type according to vDMA 66413
• The safety function consists of the drive switching to the defined safety switching position. This switching movement is realised by pressurising the relevant pressure chamber with compressed air. The value of the torque generated depends on the pressure safety function
• To SIL 2 Low Demand mode safety integrity level (SIL)
• Up to SIL 3 in a redundant architecture safety integrity level (SIL)
• Up to SIL 1 high demand mode safety integrity level (SIL)
• Product can be used in SRP/CS up to SIL 2 (Low Demand) certified for safety function to iSO 13849 and iEC 61508 (SIL)
• Product can be used in SRP/CS up to SIL 1 (High Demand) certified for safety function to iSO 13849 and iEC 61508 (SIL)
• Up to SIL 3 in a redundant architecture certified for safety function to iSO 13849 and iEC 61508 (SIL)
• 0.2MPA operating pressure
• 0.8MPA operating pressure
• 2BAR operating pressure
• 8BAR operating pressure
• 29PSI operating pressure
• 116PSI operating pressure
• 0.55MPA nominal operating pressure
• 5.5BAR nominal operating pressure
• 79.75PSI nominal operating pressure
• See certificate maritime classification
• To EU Explosion Protection Directive (ATEX) cE mark (see declaration of conformity)
• To UK EX instructions cE marking (see declaration of conformity)
• EPL Db (GB) explosion protection certification outside the eU
• EPL Gb (GB) explosion protection certification outside the eU
• DNV TAP00001CE certificate issuing authority
• German Technical Control Board (TÜV) Rheinland 968/V 1106.01/2023 certificate issuing authority
• II 2G aTEX category gas
• II 2D aTEX category dust
• Ex h IIC T4 Gb X explosion ignition protection type for gas
• Ex h IIIC T105°C Db X explosion ignition protection type for dust
• -20°C <= Ta <= +80°C explosion ambient temperature
• Compressed air to ISO 8573-1:2010 [7:4:4] operating medium
• Dew point at least 10 °C below the ambient temperature and temperature of the medium note on operating and pilot medium
• Lubricated operation possible (in which case lubricated operation will always be required) note on operating and pilot medium
• VDMA24364-B1/B2-L lABS (PWIS) conformity
• -20GC ambient temperature
• 80GC ambient temperature
• 20.1NM torque at nominal operating pressure and 0° swivel angle
• 20.1NM torque at nominal operating pressure and 90° swivel angle
• The operating torque of the actuator must not be higher than the maximum permissible torque listed in ISO 5211, with reference to the size of the mounting flange and of the coupling. note on torque
• 1126 years mean time to dangerous failure (MTTFd)
• 1.01E-07 probability of failure per hour (PFH)
• 0.00142 probability of failure on demand (PFD)
• 1.8L air consumption at 0.6 mPa (6 bar, 87 psi) per cycle 0°-nominal swivel angle-0°
• 1275G product weight
• T11 shaft connection
• RoHS-compliant note on materials
• Anodised wrought aluminium alloy material sub-base
• Die-cast aluminium, coated material cover
• NBR material seals
• Anodised wrought aluminium alloy material housing
• Die-cast aluminium material piston
• POM material bearing
• High-alloy stainless steel material cam
• High-alloy stainless steel material screws
• Nickel-plated steel material shaft
• -20GC to 60GC storage temperature
• -5DEG to 5DEG end-position adjustment range at 0°
• Pneumatic connection g1/8