8066411 Festo Quarter Turn Actuators

Product Details

• Operating pressure
  2 bar ... 8 bar
• MTTFd
  1126 years
• Maritime classification
  See certificate
• Standard connection for valve
  ISO 5211
• 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
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Torque at nominal operating pressure and 90° swivel angle
  82.4 Nm
• Shaft connection
  T17
• Housing material
  Wrought aluminum alloy, anodized
• Nominal operating pressure
  5.5 bar
• PFH
  1.01E-7
• Flange hole pattern
  F0507
• Design
  Gear rack/pinion
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Ambient temperature
  -20 °C ... 80 °C
• Torque at nominal operating pressure and 0° swivel angle
  82.4 Nm
• Note on materials
  RoHS-compliant
Material of screws
High-alloy stainless steel
End-position adjusting range at 0°
-5 deg ... 5 deg
Depth shaft connection
19 mm
Mode of operation
Double-acting
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
Explosive ambient temperature
-20°C <= Ta <= +80°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
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)
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
3308 g
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Shaft material
High-alloy stainless steel
Devices type according to VDMA 66413
Safety device
Swivel angle
90 deg
Type code
DFPD
Closing direction
Clockwise closing
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Storage temperature
-20 °C ... 60 °C
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
7.4 l
Material of sub-base
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum
Cam material
Cast stainless steel
Size of valve actuator
80
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.
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
Symbol
00991265
ATEX category gas
II 2G
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
PFD
0.00142
Pneumatic connection
1/8 NPT
Seals material
NBR

Related documents 8066411 Specs