8066442 Festo Quarter Turn Actuators

8066442 Product Details

• Operating pressure
  2 bar ... 8 bar
• Maritime classification
  See certificate
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Mounting position
  Any
• Symbol
  00991266
• ATEX category gas
  II 2G
• 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.
• PFH
  1.01E-7
• Standard connection for valve
  ISO 5211
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 1
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• Size of valve actuator
  40
• MTTFd
  1126 years
• Depth shaft connection
  12 mm
• 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)
• Torque at nominal operating pressure and 0° swivel angle
  28 Nm
Spring return torque at 0° swivel angle
13.8 Nm
Product weight
2180 g
Material of sub-base
Wrought aluminum alloy, anodized
Material of spring
Spring steel
Shaft material
High-alloy stainless steel
Nominal operating pressure
6 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.
Swivel angle
90 deg
Type code
DFPD
Design
Gear rack/pinion
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
Ambient temperature
-20 °C ... 80 °C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 90° swivel angle
14.5 Nm
PFD
7.8E-4
Note on materials
RoHS-compliant
Material of piston
Die-cast aluminum
Material of screws
High-alloy stainless steel
Devices type according to VDMA 66413
Safety device
Flange hole pattern
F04
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mode of operation
Single-acting
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category for dust
II 2D
Explosive ambient temperature
-20°C <= Ta <= +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)
Storage temperature
-20 °C ... 60 °C
Spring return torque with 90° swivel angle
27.2 Nm
Shaft connection
T11
Seals material
NBR
Housing material
Wrought aluminum alloy, anodized
Cam material
Cast stainless steel
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
1.5 l
Pneumatic connection
1/8 NPT
Cover material
Die-cast aluminum, coated
Material of bearing
POM

Product condition

Related documents 8066442 Specs