8102855 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• Flange hole pattern
  F10
• Type code
  DFPD
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 2
• 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
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Spring return torque at 0° swivel angle
  81.3 Nm
• Shaft connection
  T22
• Material of sub-base
  Wrought aluminum alloy, anodized
• Material of spring
  Spring steel
• Material of piston
  Die-cast aluminum
• Size of valve actuator
  300
• PFH
  1.01E-7
• Swivel angle
  90 deg
• Mounting position
  Any
• ATEX category gas
  II 2G
• Ambient temperature
  -20 °C ... 80 °C
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• Torque at nominal operating pressure and 0° swivel angle
  165.7 Nm
• Spring return torque with 90° swivel angle
  160.6 Nm
Pneumatic connection
1/4 NPT
Seals material
NBR
Material of screws
High-alloy stainless steel
Nominal operating pressure
4.5 bar
Maritime classification
See certificate
End-position adjusting range at 0°
-5 deg ... 5 deg
Mode of operation
Single-acting
Closing direction
Clockwise closing
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
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
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)
Product weight
12485 g
Cover material
Die-cast aluminum, coated
Cam material
Steel
MTTFd
1126 years
End-position adjusting range at nominal swivel angle
-5 deg ... 5 deg
Standard connection for valve
ISO 5211
Symbol
00991266
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
Storage temperature
-20 °C ... 60 °C
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
11 l
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.
Note on materials
RoHS-compliant
Material of bearing
POM
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.
Depth shaft connection
24 mm
Design
Gear rack/pinion
Valve connection conforms to standard
VDI/VDE 3845 (NAMUR)
ATEX category for dust
II 2D
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Torque at nominal operating pressure and 90° swivel angle
86.4 Nm
PFD
7.8E-4
Housing material
Wrought aluminum alloy, anodized
Shaft material
High-alloy stainless steel

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