8068932 Festo Quarter Turn Actuators

Product Details

• Operating pressure
  2 bar ... 8 bar
• MTTFd
  1126 years
• Swivel angle
  90 deg
• Mode of operation
  Double-acting
• Symbol
  00991265
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 3
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Storage temperature
  -20 °C ... 60 °C
• PFD
  0.00142
• Cover material
  Die-cast aluminum, coated
• Housing material
  Wrought aluminum alloy, anodized
• Shaft material
  Steel, nickel-plated
• Size of valve actuator
  900
• 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.
• Maritime classification
  See certificate
• Mounting position
  Any
• 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
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 90° swivel angle
842 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
75.9 l
Note on materials
RoHS-compliant
Pneumatic connection
1/4 NPT
Material of piston
Die-cast aluminum
Material of screws
High-alloy stainless steel
End-position adjusting range at 0°
-5 deg ... 5 deg
Depth shaft connection
38 mm
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Type of ignition protection for gas
Ex h IIC T4 Gb X
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
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
25574 g
Material of sub-base
Wrought aluminum alloy, anodized
Material of bearing
POM
Devices type according to VDMA 66413
Safety device
Flange hole pattern
F14
Standard connection for valve
ISO 5211
Design
Gear rack/pinion
ATEX category gas
II 2G
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
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)
Shaft connection
T36
Nominal operating pressure
5.5 bar
PFH
1.01E-7
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Type code
DFPD
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category for dust
II 2D
Ambient temperature
-20 °C ... 80 °C
Torque at nominal operating pressure and 0° swivel angle
842 Nm
Seals material
NBR
Cam material
Steel

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