8048129 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  5.5 bar
• Maritime classification
  See certificate
• Type code
  DFPD
• Design
  Gear rack/pinion
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 1
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Storage temperature
  -20 °C ... 60 °C
• Operating pressure
  2 bar ... 8 bar
• PFH
  1.01E-7
• Flange hole pattern
  F0710
• Symbol
  00991265
• 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
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Torque at nominal operating pressure and 0° swivel angle
  161 Nm
• Note on materials
  RoHS-compliant
• Housing material
  Wrought aluminum alloy, anodized
• Cam material
  Cast stainless steel
Size of valve actuator
160
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 0°
-5 deg ... 5 deg
Standard connection for valve
ISO 5211
Mode of operation
Double-acting
ATEX category gas
II 2G
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
PFD
0.00142
Pneumatic connection
G1/4
Material of screws
High-alloy stainless steel
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)
ATEX category for dust
II 2D
Ambient temperature
-20 °C ... 80 °C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 90° swivel angle
161 Nm
Seals material
NBR
Devices type according to VDMA 66413
Safety device
Swivel angle
90 deg
Depth shaft connection
24 mm
Closing direction
Clockwise closing
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
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
6082 g
Material of sub-base
Wrought aluminum alloy, anodized
Material of bearing
POM
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
14 l
Shaft connection
T22
Cover material
Die-cast aluminum, coated
Material of piston
Die-cast aluminum
Shaft material
High-alloy stainless steel

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