8066403 Festo Quarter Turn Actuators

Product Details

• Swivel angle
  90 deg
• Type code
  DFPD
• Closing direction
  Clockwise closing
• 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
• ATEX category for dust
  II 2D
• 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)
• Torque at nominal operating pressure and 0° swivel angle
  20.1 Nm
• Product weight
  1275 g
• Housing material
  Wrought aluminum alloy, anodized
• Cam material
  Cast stainless steel
• Devices type according to VDMA 66413
  Safety device
• Maritime classification
  See certificate
• Mode of operation
  Double-acting
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  1.8 l
• Shaft connection
  T11
• Material of piston
  Die-cast aluminum
• Material of screws
  High-alloy stainless steel
• Nominal operating pressure
  5.5 bar
MTTFd
1126 years
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
Explosive ambient temperature
-20°C <= Ta <= +80°C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
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.
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Operating pressure
2 bar ... 8 bar
PFH
1.01E-7
End-position adjusting range at 0°
-5 deg ... 5 deg
Standard connection for valve
ISO 5211
Symbol
00991265
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
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
Pneumatic connection
1/8 NPT
Seals material
NBR
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
F05
Depth shaft connection
12 mm
Design
Gear rack/pinion
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category gas
II 2G
Ambient temperature
-20 °C ... 80 °C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Storage temperature
-20 °C ... 60 °C
PFD
0.00142
Note on materials
RoHS-compliant
Material of sub-base
Wrought aluminum alloy, anodized
Shaft material
Steel, nickel-plated

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