8066420 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  300
• 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.
• Swivel angle
  90 deg
• Mounting position
  Any
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Type of ignition protection for gas
  Ex h IIC T4 Gb X
• Explosive ambient temperature
  -20°C <= Ta <= +80°C
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Torque at nominal operating pressure and 0° swivel angle
  301.9 Nm
• PFD
  0.00142
• Seals material
  NBR
• Material of bearing
  POM
• Operating pressure
  2 bar ... 8 bar
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Type code
  DFPD
• Closing direction
  Clockwise closing
• 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)
• Storage temperature
  -20 °C ... 60 °C
• Pneumatic connection
  1/4 NPT
• Housing material
  Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel
Devices type according to VDMA 66413
Safety device
Maritime classification
See certificate
Standard connection for valve
ISO 5211
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
ATEX category for dust
II 2D
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]
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
11224 g
Note on materials
RoHS-compliant
Shaft material
High-alloy stainless steel
PFH
1.01E-7
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Depth shaft connection
24 mm
Design
Gear rack/pinion
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 2
ATEX category gas
II 2G
Ambient temperature
-20 °C ... 80 °C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 90° swivel angle
301.9 Nm
Shaft connection
T22
Material of sub-base
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum
Nominal operating pressure
5.5 bar
MTTFd
1126 years
Flange hole pattern
F0710
Mode of operation
Double-acting
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
26.4 l
Cover material
Die-cast aluminum, coated
Cam material
Steel

8066420 Related Documents