8068940 Festo Quarter Turn Actuators

Product Details

• 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.
• Swivel angle
  90 deg
• Mode of operation
  Double-acting
• Design
  Gear rack/pinion
• ATEX category gas
  II 2G
• Explosive ambient temperature
  -20°C <= Ta <= +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)
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• PFD
  0.00142
• Pneumatic connection
  1/4 NPT
• Housing material
  Wrought aluminum alloy, anodized
• Cam material
  Steel
• PFH
  1.01E-7
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Closing direction
  Clockwise closing
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 3
• 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)
• Shaft connection
  T46
Material of sub-base
Wrought aluminum alloy, anodized
Material of bearing
POM
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
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
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 90° swivel angle
2233.3 Nm
Product weight
64900 g
Note on materials
RoHS-compliant
Material of piston
Die-cast aluminum
Material of screws
High-alloy stainless steel
Size of valve actuator
2300
Nominal operating pressure
5.5 bar
Flange hole pattern
F1216
Standard connection for valve
ISO 5211
Symbol
00991265
ATEX category for dust
II 2D
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 0° swivel angle
2233.3 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
204 l
Cover material
Die-cast aluminum, coated
Shaft material
Steel, nickel-plated
Devices type according to VDMA 66413
Safety device
Maritime classification
See certificate
Depth shaft connection
48 mm
Type code
DFPD
Type of ignition protection for gas
Ex h IIC T4 Gb X
Ambient temperature
-20 °C ... 80 °C
Storage temperature
-20 °C ... 60 °C
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.
Seals material
NBR

Related documents 8068940 Specs