8102811 Festo Quarter Turn Actuators

Product Details

• Swivel angle
  90 deg
• Mode of operation
  Single-acting
• Closing direction
  Clockwise closing
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• ATEX category gas
  II 2G
• 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 90° swivel angle
  31.5 Nm
• Spring return torque with 90° swivel angle
  58.4 Nm
• Note on materials
  RoHS-compliant
• Material of sub-base
  Wrought aluminum alloy, anodized
• Cam material
  Cast stainless steel
• Devices type according to VDMA 66413
  Safety device
• MTTFd
  1126 years
• End-position adjusting range at 0°
  -5 deg ... 5 deg
• Depth shaft connection
  19 mm
• 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
• Ambient temperature
  -20 °C ... 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
29.6 Nm
Pneumatic connection
G1/8
Housing material
Wrought aluminum alloy, anodized
Size of valve actuator
80
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
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Type code
DFPD
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
ATEX category for dust
II 2D
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Torque at nominal operating pressure and 0° swivel angle
60.3 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
3.1 l
Cover material
Die-cast aluminum, coated
Shaft material
High-alloy stainless steel
Operating pressure
2 bar ... 8 bar
PFH
1.01E-7
Standard connection for valve
ISO 5211
Design
Gear rack/pinion
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
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
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
3970 g
Seals material
NBR
Material of piston
Die-cast aluminum
Material of screws
High-alloy stainless steel
Nominal operating pressure
6 bar
Maritime classification
See certificate
Mounting position
Any
Symbol
00991266
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
Explosion prevention and protection
Zone 1 (ATEX) Zone 22 (ATEX)
Storage temperature
-20 °C ... 60 °C
PFD
7.8E-4
Shaft connection
T17
Material of spring
Spring steel
Material of bearing
POM

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