8066404 Festo Quarter Turn Actuators

Product Details

• MTTFd
  1126 years
• Depth shaft connection
  16 mm
• Closing direction
  Clockwise closing
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• ATEX category gas
  II 2G
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• Cover material
  Die-cast aluminum, coated
• Nominal operating pressure
  5.5 bar
• Safety function
  The fundamental safety function is the execution of a complete working stroke (opening and closing of the process valve) within a defined time.
• Flange hole pattern
  F0507
• Type code
  DFPD
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 1
• ATEX category for dust
  II 2D
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Operating pressure
  2 bar ... 8 bar
• PFH
  1.01E-7
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Standard connection for valve
  ISO 5211
• Design
  Gear rack/pinion
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 90° swivel angle
38.3 Nm
Product weight
1882 g
Material of sub-base
Wrought aluminum alloy, anodized
Material of bearing
POM
Size of valve actuator
40
Maritime classification
See certificate
End-position adjusting range at 0°
-5 deg ... 5 deg
Mode of operation
Double-acting
Symbol
00991265
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
Ambient temperature
-20 °C ... 80 °C
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.
Pneumatic connection
1/8 NPT
Housing material
Wrought aluminum alloy, anodized
Devices type according to VDMA 66413
Safety device
Swivel angle
90 deg
Mounting position
Any
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
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
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Storage temperature
-20 °C ... 60 °C
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
3.4 l
Seals material
NBR
Cam material
Cast stainless steel
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
38.3 Nm
PFD
0.00142
Shaft connection
T14
Note on materials
RoHS-compliant
Material of piston
Die-cast aluminum
Material of screws
High-alloy stainless steel
Shaft material
Steel, nickel-plated

Related documents 8066404 Specs