8084149 Festo Quarter Turn Actuators

Product Details

• Devices type according to VDMA 66413
  Safety device
• Flange hole pattern
  F1012
• Standard connection for valve
  ISO 5211
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Operating pressure
  2 bar ... 8 bar
• MTTFd
  1126 years
• Depth shaft connection
  29 mm
• Mode of operation
  Single-acting
• Connection for valve positioner and position sensor conforms to standard
  VDI/VDE 3845 size AA 3
• Type of (ignition) protection for dust
  Ex h IIIC T105°C Db X
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (ATEX)
• CE marking (see declaration of conformity)
  as per EU explosion protection directive (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.
• Torque at nominal operating pressure and 0° swivel angle
  796.3 Nm
• Material of sub-base
  Wrought aluminum alloy, anodized
• Material of spring
  Spring steel
• Material of screws
  High-alloy stainless steel
• PFH
  1.01E-7
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Mounting position
  Any
Closing direction
Clockwise closing
ATEX category gas
II 2G
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Size of valve actuator
1200
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.
Maritime classification
See certificate
End-position adjusting range at 0°
-5 deg ... 5 deg
Type code
DFPD
Symbol
00991266
Type of ignition protection for gas
Ex h IIC T4 Gb X
Explosive ambient temperature
-20°C <= Ta <= +80°C
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Storage temperature
-20 °C ... 60 °C
Spring return torque with 90° swivel angle
798.6 Nm
Product weight
43022 g
Housing material
Wrought aluminum alloy, anodized
Shaft material
High-alloy stainless steel
Nominal operating pressure
6 bar
Swivel angle
90 deg
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
ATEX category for dust
II 2D
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)
Torque at nominal operating pressure and 90° swivel angle
477.2 Nm
Spring return torque at 0° swivel angle
479.4 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
43.5 l
Note on materials
RoHS-compliant
Pneumatic connection
1/4 NPT
Cam material
Steel
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
Ambient temperature
-20 °C ... 80 °C
Certificate issuing authority
DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
PFD
7.8E-4
Shaft connection
T27
Seals material
NBR
Material of piston
Die-cast aluminum

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