8066440 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• Flange hole pattern
  F04
• Swivel angle
  90 deg
• Standard connection for valve
  ISO 5211
• Design
  Gear rack/pinion
• Closing direction
  Clockwise closing
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Nominal operating pressure
  3 bar
• PFH
  1.01E-7
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Mounting position
  Any
• Symbol
  00991266
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• ATEX category for dust
  II 2D
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  1.5 l
• Shaft connection
  T11
• Housing material
  Wrought aluminum alloy, anodized
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
Depth shaft connection
12 mm
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
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)
Spring return torque with 90° swivel angle
13.6 Nm
Note on materials
RoHS-compliant
Seals material
NBR
Cam material
Cast stainless steel
Size of valve actuator
40
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.
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mode of operation
Single-acting
ATEX category gas
II 2G
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
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.
Product weight
2087 g
PFD
7.8E-4
Material of spring
Spring steel
Material of screws
High-alloy stainless steel
Maritime classification
See certificate
Type code
DFPD
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
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
Storage temperature
-20 °C ... 60 °C
Spring return torque at 0° swivel angle
6.9 Nm
Material of sub-base
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Ambient temperature
-20 °C ... 80 °C
Torque at nominal operating pressure and 0° swivel angle
14 Nm
Torque at nominal operating pressure and 90° swivel angle
7.3 Nm
Pneumatic connection
1/8 NPT
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Shaft material
High-alloy stainless steel

Related documents 8066440 Specs