8066441 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• Flange hole pattern
  F0507
• Type code
  DFPD
• Standard connection for valve
  ISO 5211
• Safety integrity level (SIL)
  Up to SIL 2 low demand mode up to SIL 1 high demand mode
• Ambient temperature
  -20 °C ... 80 °C
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• PFD
  7.8E-4
• Material of sub-base
  Wrought aluminum alloy, anodized
• Material of piston
  Die-cast aluminum
• Nominal operating pressure
  3 bar
• PFH
  1.01E-7
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Symbol
  00991266
• 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 for dust
  II 2D
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Torque at nominal operating pressure and 90° swivel angle
  7.3 Nm
• Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
  1.5 l
• Note on materials
  RoHS-compliant
Material of spring
Spring steel
Material of screws
High-alloy stainless steel
End-position adjusting range at 0°
-5 deg ... 5 deg
Mounting position
Any
Closing direction
Clockwise closing
Type of ignition protection for gas
Ex h IIC T4 Gb X
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
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)
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.
Shaft connection
T14
Cover material
Die-cast aluminum, coated
Shaft material
High-alloy 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.
Maritime classification
See certificate
Design
Gear rack/pinion
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
Storage temperature
-20 °C ... 60 °C
Spring return torque with 90° swivel angle
13.6 Nm
Spring return torque at 0° swivel angle
6.9 Nm
Pneumatic connection
1/8 NPT
Seals material
NBR
Cam material
Cast stainless steel
Operating pressure
2 bar ... 8 bar
MTTFd
1126 years
Swivel angle
90 deg
Depth shaft connection
16 mm
Mode of operation
Single-acting
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category gas
II 2G
Explosive ambient temperature
-20°C <= Ta <= +80°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Torque at nominal operating pressure and 0° swivel angle
14 Nm
Product weight
2087 g
Housing material
Wrought aluminum alloy, anodized
Material of bearing
POM

Related documents 8066441 Specs