8102845 Festo Quarter Turn Actuators

Product Details

• Nominal operating pressure
  3.5 bar
• PFH
  1.01E-7
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Standard connection for valve
  ISO 5211
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 2
• 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)
• Storage temperature
  -20 °C ... 60 °C
• Maritime classification
  See certificate
• Depth shaft connection
  24 mm
• 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
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Corrosion resistance class (CRC)
  2 - Moderate corrosion stress
• Spring return torque at 0° swivel angle
  49 Nm
• Pneumatic connection
  1/4 NPT
• Material of piston
  Die-cast aluminum
• Operating pressure
  2 bar ... 8 bar
• 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
  F10
Type code
DFPD
Design
Gear rack/pinion
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
ATEX category gas
II 2G
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.
Spring return torque with 90° swivel angle
96.9 Nm
Seals material
NBR
Devices type according to VDMA 66413
Safety device
Swivel angle
90 deg
Mode of operation
Single-acting
Closing direction
Clockwise closing
ATEX category for dust
II 2D
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Torque at nominal operating pressure and 90° swivel angle
52.2 Nm
Product weight
9558 g
Note on materials
RoHS-compliant
Material of spring
Spring steel
Cam material
Steel
Size of valve actuator
240
MTTFd
1126 years
End-position adjusting range at 0°
-5 deg ... 5 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
Type of (ignition) protection for dust
Ex h IIIC T105°C Db X
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
Torque at nominal operating pressure and 0° swivel angle
100.1 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
8.6 l
Material of sub-base
Wrought aluminum alloy, anodized
Housing material
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel
PFD
7.8E-4
Shaft connection
T22
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Shaft material
High-alloy stainless steel

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