8066452 Festo Quarter Turn Actuators

Product Details

• Mounting position
  Any
• Devices type according to VDMA 66413
  Safety device
• Swivel angle
  90 deg
• Flange hole pattern
  F0710
• Size of valve actuator
  300
• Maritime classification
  See certificate
• Type code
  DFPD
• Design
  Gear rack/pinion
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Ambient temperature
  -20 °C ... 80 °C
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Spring return torque at 0° swivel angle
  54.2 Nm
• Nominal operating pressure
  3 bar
• MTTFd
  1126 years
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Standard connection for valve
  ISO 5211
• Closing direction
  Clockwise closing
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• 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)
Torque at nominal operating pressure and 0° swivel angle
110.5 Nm
Spring return torque with 90° swivel angle
107 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Material of spring
Spring steel
Shaft material
Steel, nickel-plated
PFH
1.01E-7
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
ATEX category for dust
II 2D
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Shaft connection
T22
Seals material
NBR
Material of screws
High-alloy stainless steel
Symbol
00991266
Operating pressure
2 bar ... 8 bar
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.
Depth shaft connection
24 mm
Mode of operation
Single-acting
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)
PFD
7.8E-4
Product weight
12052 g
Note on materials
RoHS-compliant
Cam material
Steel
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
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.
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
11 l
Cover material
Die-cast aluminum, coated
Housing material
Wrought aluminum alloy, anodized
Material of bearing
POM
Torque at nominal operating pressure and 90° swivel angle
57.6 Nm
Pneumatic connection
1/4 NPT
Material of piston
Die-cast aluminum

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