8065274 Festo Quarter Turn Actuators

Product Details

• Swivel angle
  90 deg
• Maritime classification
  See certificate
• Mounting position
  Any
• Standard connection for valve
  ISO 5211
• Certificate issuing authority
  DNVGL TAP00001CE German Technical Control Board (TÜV) Rheinland 968/V 1106.00/19
• Operating medium
  Compressed air as per ISO 8573-1:2010 [7:4:4]
• Storage temperature
  -20 °C ... 60 °C
• PFD
  7.8E-4
• Pneumatic connection
  G1/4
• Material of sub-base
  Wrought aluminum alloy, anodized
• Size of valve actuator
  2300
• 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.
• End-position adjusting range at nominal swivel angle
  -5 deg ... 5 deg
• Closing direction
  Clockwise closing
• Valve connection conforms to standard
  VDI/VDE 3845 (NAMUR)
• Symbol
  00991266
• Explosion prevention and protection
  Zone 1 (ATEX) Zone 22 (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)
• Operating pressure
  2 bar ... 8 bar
• MTTFd
  1126 years
End-position adjusting range at 0°
-5 deg ... 5 deg
Design
Gear rack/pinion
Connection for valve positioner and position sensor conforms to standard
VDI/VDE 3845 size AA 3
Ambient temperature
-20 °C ... 80 °C
Explosive ambient temperature
-20°C <= Ta <= +80°C
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
Spring return torque with 90° swivel angle
1551 Nm
Nominal operating pressure
6 bar
PFH
1.01E-7
Flange hole pattern
F1216
Type code
DFPD
CE marking (see declaration of conformity)
as per EU explosion protection directive (ATEX)
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 gas
II 2G
ATEX category for dust
II 2D
Torque at nominal operating pressure and 0° swivel angle
1523 Nm
Spring return torque at 0° swivel angle
913.2 Nm
Material of spring
Spring steel
Material of piston
Die-cast aluminum
Devices type according to VDMA 66413
Safety device
Depth shaft connection
48 mm
Mode of operation
Single-acting
Safety integrity level (SIL)
Up to SIL 2 low demand mode up to SIL 1 high demand mode
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
Torque at nominal operating pressure and 90° swivel angle
885.2 Nm
Air consumption at 6 bar per cycle 0°-nominal swivel angle-0°
84.4 l
Note on materials
RoHS-compliant
Shaft material
Steel, nickel-plated
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
77884 g
Seals material
NBR
Housing material
Wrought aluminum alloy, anodized
Material of screws
High-alloy stainless steel
Shaft connection
T46
Cover material
Die-cast aluminum, coated
Material of bearing
POM
Cam material
Steel

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