8066443 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  6 bar
• MTTFd
  1126 years
• Flange hole pattern
  F0507
• Type code
  DFPD
• Closing direction
  Clockwise closing
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category gas
  II 2G
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• Ambient temperature
  -20 °C ... 80 °C
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Torque at nominal operating pressure and 90° swivel angle
  14.5 Nm
• Spring return torque with 90° swivel angle
  27.2 Nm
• Pneumatic connection
  1/8 NPT
• Shaft connection
  T14
• Cover material
  Die-cast aluminum, coated
• Material of piston
  Die-cast aluminum
• Operating pressure
  2 bar ... 8 bar
• PFH
  1.01E-7
• Depth shaft connection
  16 mm
• Design
  Gear rack/pinion
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
Type of ignition protection for gas
Ex h IIC T4 Gb X
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 0° swivel angle
28 Nm
Product weight
2180 g
Seals material
NBR
Material of bearing
POM
End-position adjusting range at 0°
-5 deg ... 5 deg
Standard connection for valve
ISO 5211
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
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 at 0° swivel angle
13.8 Nm
PFD
7.8E-4
Note on materials
RoHS-compliant
Housing material
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel
Devices type according to VDMA 66413
Safety device
Swivel angle
90 deg
Mode of operation
Single-acting
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
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.
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
1.5 l
Material of spring
Spring steel
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
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mounting position
Any
ATEX category for dust
II 2D
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Storage temperature
-20 °C ... 60 °C
Material of sub-base
Wrought aluminum alloy, anodized
Cam material
Cast stainless steel

Related documents 8066443 Specs