8068930 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Type code
  DFPD
• 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
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• Torque at nominal operating pressure and 0° swivel angle
  663.3 Nm
• PFD
  0.00142
• Pneumatic connection
  1/4 NPT
• Seals material
  NBR
• Material of screws
  High-alloy stainless steel
• 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
• Depth shaft connection
  29 mm
• Mode of operation
  Double-acting
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• ATEX category for dust
  II 2D
• Ambient temperature
  -20 °C ... 80 °C
• Storage temperature
  -20 °C ... 60 °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)
Product weight
22464 g
Cover material
Die-cast aluminum, coated
Cam material
Steel
Operating pressure
2 bar ... 8 bar
PFH
1.01E-7
Flange hole pattern
F1012
Mounting position
Any
Closing direction
Clockwise closing
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
Explosive ambient temperature
-20°C <= Ta <= +80°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Shaft connection
T27
Housing material
Wrought aluminum alloy, anodized
Size of valve actuator
700
MTTFd
1126 years
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Design
Gear rack/pinion
ATEX category gas
II 2G
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 90° swivel angle
663.3 Nm
Note on materials
RoHS-compliant
Material of bearing
POM
Nominal operating pressure
5.5 bar
Maritime classification
See certificate
Standard connection for valve
ISO 5211
Symbol
00991265
Type of ignition protection for gas
Ex h IIC T4 Gb X
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
58.8 l
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.
Material of sub-base
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum
Shaft material
High-alloy stainless steel

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