8066446 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  3 bar
• Swivel angle
  90 deg
• Standard connection for valve
  ISO 5211
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• Storage temperature
  -20 °C ... 60 °C
• Spring return torque with 90° swivel angle
  41.6 Nm
• Shaft connection
  T17
• Material of sub-base
  Wrought aluminum alloy, anodized
• Material of piston
  Die-cast aluminum
• Devices type according to VDMA 66413
  Safety device
• Maritime classification
  See certificate
• Depth shaft connection
  19 mm
• Closing direction
  Clockwise closing
• ATEX category gas
  II 2G
• Ambient temperature
  -20 °C ... 80 °C
• Symbol
  00991266
• 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
  43 Nm
• Note on materials
  RoHS-compliant
Material of spring
Spring steel
Cam material
Cast stainless steel
Size of valve actuator
120
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.
PFH
1.01E-7
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
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)
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.
PFD
7.8E-4
Pneumatic connection
1/4 NPT
Seals material
NBR
Shaft material
Steel, nickel-plated
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
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 1
ATEX category for dust
II 2D
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 90° swivel angle
22.4 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
4.3 l
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Flange hole pattern
F0507
Type code
DFPD
Mode of operation
Single-acting
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
Type of ignition protection for gas
Ex h IIC T4 Gb X
Explosive ambient temperature
-20°C <= Ta <= +80°C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque at 0° swivel angle
21.1 Nm
Product weight
5422 g
Housing material
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel

Related documents 8066446 Specs