8102838 Festo Quarter Turn Actuators

Product Details

• Size of valve actuator
  160
• 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.
• Flange hole pattern
  F07
• Depth shaft connection
  24 mm
• Design
  Gear rack/pinion
• 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
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (ATEX)
• Torque at nominal operating pressure and 0° swivel angle
  68.8 Nm
• Cover material
  Die-cast aluminum, coated
• Material of screws
  High-alloy stainless steel
• Operating pressure
  2 bar ... 8 bar
• MTTFd
  1126 years
• Type code
  DFPD
• 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
• 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
  33.7 Nm
• PFD
  7.8E-4
Shaft connection
T22
Housing material
Wrought aluminum alloy, anodized
Cam material
Cast stainless steel
Nominal operating pressure
3.5 bar
Swivel angle
90 deg
Standard connection for valve
ISO 5211
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 1
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]
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 90° swivel angle
35.8 Nm
Product weight
6853 g
Material of sub-base
Wrought aluminum alloy, anodized
Material of piston
Die-cast aluminum
Maritime classification
See certificate
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Mode of operation
Single-acting
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category for dust
II 2D
Explosive ambient temperature
-20°C <= Ta <= +80°C
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
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.
Spring return torque with 90° swivel angle
66.6 Nm
Note on materials
RoHS-compliant
Seals material
NBR
Shaft material
High-alloy stainless steel
Devices type according to VDMA 66413
Safety device
PFH
1.01E-7
End-position adjusting range at 0°
-5 deg ... 5 deg
Mounting position
Any
Closing direction
Clockwise closing
ATEX category gas
II 2G
Ambient temperature
-20 °C ... 80 °C
Storage temperature
-20 °C ... 60 °C
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
5.9 l
Pneumatic connection
G1/4
Material of spring
Spring steel
Material of bearing
POM

Related documents 8102838 Specs