8066408 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• Swivel angle
  90 deg
• Type code
  DFPD
• Design
  Gear rack/pinion
• Closing direction
  Clockwise closing
• Ambient temperature
  -20 °C ... 80 °C
• Information on operating and pilot media
  Dew point min. 10 °C below the ambient and medium temperature Operation with oil lubrication possible (required for further use)
• Product weight
  1275 g
• Cover material
  Die-cast aluminum, coated
• Cam material
  Cast stainless steel
• Shaft material
  High-alloy stainless steel
• Operating pressure
  2 bar ... 8 bar
• Maritime classification
  See certificate
• Standard connection for valve
  ISO 5211
• Symbol
  00991265
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Size of valve actuator
  20
• Safety function
  The fundamental safety function is the execution of a complete working stroke (opening and closing of the process valve) within a defined time.
Flange hole pattern
F04
Depth shaft connection
12 mm
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
ATEX category gas
II 2G
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 90° swivel angle
20.1 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
1.8 l
Seals material
NBR
Material of bearing
POM
MTTFd
1126 years
End-position adjusting range at 0°
-5 deg ... 5 deg
Mounting position
Any
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
ATEX category for dust
II 2D
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Torque at nominal operating pressure and 0° swivel angle
20.1 Nm
Note about the torque
The actuator's operating torque must not be higher than the maximum permissible torque listed in ISO 5211, based on the size of the mounting flange and the coupling.
Note on materials
RoHS-compliant
Material of screws
High-alloy stainless steel
Nominal operating pressure
5.5 bar
PFH
1.01E-7
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mode of operation
Double-acting
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Certified for safety function to ISO 13849 and IEC 61508 (SIL)
Product can be used in safety-related parts of control systems up to SIL 2, low demand up to SIL 3 in a redundant architecture
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
PFD
0.00142
Shaft connection
T11
Housing material
Wrought aluminum alloy, anodized
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Storage temperature
-20 °C ... 60 °C
Pneumatic connection
1/8 NPT
Material of sub-base
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum

Related documents 8066408 Specs