8048147 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• MTTFd
  1126 years
• Depth shaft connection
  24 mm
• Mounting position
  Any
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category gas
  II 2G
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Product weight
  9442 g
• Material of bearing
  POM
• Material of screws
  High-alloy stainless steel
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Design
  Gear rack/pinion
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 2
• ATEX category for dust
  II 2D
• 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 0° swivel angle
  85.8 Nm
• Spring return torque with 90° swivel angle
  83 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Material of spring
Spring steel
Nominal operating pressure
3 bar
PFH
1.01E-7
Flange hole pattern
F0710
Standard connection for valve
ISO 5211
Mode of operation
Single-acting
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
Explosive ambient temperature
-20°C <= Ta <= +80°C
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.
Note on materials
RoHS-compliant
Seals material
NBR
Cam material
Steel
Operating pressure
2 bar ... 8 bar
Maritime classification
See certificate
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Closing direction
Clockwise closing
Symbol
00991266
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
Ambient temperature
-20 °C ... 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)
Torque at nominal operating pressure and 90° swivel angle
44.8 Nm
PFD
7.8E-4
Cover material
Die-cast aluminum, coated
Housing material
Wrought aluminum alloy, anodized
Size of valve actuator
240
Safety function
The fundamental safety function is that the control valve moves to the switching position when the compressed air is turned off. It is reset by spring force.
Swivel angle
90 deg
Type code
DFPD
Storage temperature
-20 °C ... 60 °C
Spring return torque at 0° swivel angle
42 Nm
Shaft connection
T22
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
8.6 l
Pneumatic connection
G1/4
Material of piston
Die-cast aluminum
Shaft material
High-alloy stainless steel

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