8066412 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• Flange hole pattern
  F0507
• Type code
  DFPD
• Design
  Gear rack/pinion
• 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
• Ambient temperature
  -20 °C ... 80 °C
• Torque at nominal operating pressure and 0° swivel angle
  117.4 Nm
• Shaft connection
  T17
• Cover material
  Die-cast aluminum, coated
• Cam material
  Cast stainless steel
• MTTFd
  1126 years
• Swivel angle
  90 deg
• Mode of operation
  Double-acting
• ATEX category gas
  II 2G
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Torque at nominal operating pressure and 90° swivel angle
  117.4 Nm
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  10.4 l
• Material of sub-base
  Wrought aluminum alloy, anodized
Housing material
Wrought aluminum alloy, anodized
Size of valve actuator
120
Maritime classification
See certificate
End-position adjusting range at 0°
-5 deg ... 5 deg
Standard connection for valve
ISO 5211
Closing direction
Clockwise closing
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)
Storage temperature
-20 °C ... 60 °C
Note on materials
RoHS-compliant
Seals material
NBR
Shaft material
Steel, nickel-plated
Nominal operating pressure
5.5 bar
PFH
1.01E-7
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
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
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
PFD
0.00142
Pneumatic connection
1/4 NPT
Material of bearing
POM
Material of screws
High-alloy stainless steel
Operating pressure
2 bar ... 8 bar
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.
Depth shaft connection
19 mm
Symbol
00991265
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
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
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
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.
Product weight
4872 g
Material of piston
Die-cast aluminum

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