8066464 Festo Quarter Turn Actuators

Product Details

• 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.
• PFH
  1.01E-7
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Depth shaft connection
  29 mm
• Mode of operation
  Single-acting
• Closing direction
  Clockwise closing
• MTTFd
  1126 years
• Swivel angle
  90 deg
• Mounting position
  Any
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category for dust
  II 2D
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  17.2 l
• Material of sub-base
  Wrought aluminum alloy, anodized
• Material of piston
  Die-cast aluminum
• Nominal operating pressure
  3 bar
• Flange hole pattern
  F1012
• Standard connection for valve
  ISO 5211
Design
Gear rack/pinion
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Explosive ambient temperature
-20°C <= Ta <= +80°C
Torque at nominal operating pressure and 0° swivel angle
173.5 Nm
Spring return torque with 90° swivel angle
168.1 Nm
Note on materials
RoHS-compliant
Material of screws
High-alloy stainless steel
Devices type according to VDMA 66413
Safety device
Maritime classification
See certificate
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Type code
DFPD
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
Type of ignition protection for gas
Ex h IIC T4 Gb X
Ambient temperature
-20 °C ... 80 °C
Storage temperature
-20 °C ... 60 °C
Torque at nominal operating pressure and 90° swivel angle
90.5 Nm
Pneumatic connection
1/4 NPT
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Size of valve actuator
480
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
ATEX category gas
II 2G
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)
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
Seals material
NBR
Housing material
Wrought aluminum alloy, anodized
Cam material
Steel
Symbol
00991266
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Spring return torque at 0° swivel angle
85 Nm
Product weight
17261 g
Shaft connection
T27
Material of spring
Spring steel
Shaft material
High-alloy stainless steel

Related documents 8066464 Specs